diff --git a/src/app/project-administration/project-edit/project-edit.component.html b/src/app/project-administration/project-edit/project-edit.component.html
index 5acc17a7e..28e4a0c19 100644
--- a/src/app/project-administration/project-edit/project-edit.component.html
+++ b/src/app/project-administration/project-edit/project-edit.component.html
@@ -21,6 +21,8 @@ <h5>{{ data.Name }}</h5>
                     <label class="box-form-label">Description</label>
                     <div class="box-form-value">
                         <app-atomic-bigalphanumeric
+                            [resource]="this"
+                            propertyName="Description"
                             [property]="data.Description"
                             isUni
                             isTot
@@ -32,6 +34,8 @@ <h5>{{ data.Name }}</h5>
                     <label class="box-form-label">(Planned) start date</label>
                     <div class="box-form-value">
                         <app-atomic-date
+                            [resource]="this"
+                            propertyName="Start_32_date"
                             [property]="data._40_Planned_41__32_start_32_date"
                             isUni
                             isTot
@@ -43,6 +47,8 @@ <h5>{{ data.Name }}</h5>
                     <label class="box-form-label">Status</label>
                     <div class="box-form-value">
                         <app-atomic-alphanumeric
+                            [resource]="this"
+                            propertyName="Status"
                             [property]="data.Status"
                             isUni
                             isTot
@@ -53,7 +59,14 @@ <h5>{{ data.Name }}</h5>
                 <div class="field col-12 box-form-field">
                     <label class="box-form-label">Active</label>
                     <div class="box-form-value">
-                        <app-atomic-boolean [property]="data.Active" isUni isTot crud="CRUD"></app-atomic-boolean>
+                        <app-atomic-boolean
+                            [resource]="this"
+                            propertyName="Active"
+                            [property]="data.Active"
+                            isUni
+                            isTot
+                            crud="CRUD"
+                        ></app-atomic-boolean>
                     </div>
                 </div>
                 <div class="field col-12 box-form-field">
diff --git a/src/app/project-administration/project-edit/project-edit.component.ts b/src/app/project-administration/project-edit/project-edit.component.ts
index a55e6260f..514dfc840 100644
--- a/src/app/project-administration/project-edit/project-edit.component.ts
+++ b/src/app/project-administration/project-edit/project-edit.component.ts
@@ -15,7 +15,6 @@ import { ProjectInterface } from '../project/project.interface';
 export class ProjectEditComponent implements OnInit, Resource<ProjectInterface> {
   public data$!: Observable<ProjectInterface>;
   public projectId!: string;
-
   constructor(private route: ActivatedRoute, private service: BackendService) {}
 
   ngOnInit(): void {
diff --git a/src/app/shared/atomic-components/BaseAtomicComponent.class.ts b/src/app/shared/atomic-components/BaseAtomicComponent.class.ts
index b3c694cc7..63204de0f 100644
--- a/src/app/shared/atomic-components/BaseAtomicComponent.class.ts
+++ b/src/app/shared/atomic-components/BaseAtomicComponent.class.ts
@@ -1,4 +1,5 @@
 import { Component, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';
+import { Resource } from '../interfacing/resource.interface';
 
 @Component({
   template: '',
@@ -8,6 +9,15 @@ export abstract class BaseAtomicComponent<T> implements OnInit, OnChanges {
   // TODO Refactor to combination of parent-propertyName. We need a link to the parent anyway
   property: T | Array<T> | null = null;
 
+  @Input()
+  // The type of the T for Resource<T> is not relevant nor to be determined here; therefore unknown
+  // We require a Resource, that implements the required methods (like patch)
+  // Most likely this is a top-level component for a specific application interface (e.g. ProjectComponent)
+  resource!: Resource<unknown>;
+
+  @Input()
+  propertyName!: string;
+
   public data: Array<T> = [];
 
   private _isUni: boolean = false;
diff --git a/src/app/shared/atomic-components/atomic-alphanumeric/atomic-alphanumeric.component.ts b/src/app/shared/atomic-components/atomic-alphanumeric/atomic-alphanumeric.component.ts
index 74f0fc5e4..3ab131041 100644
--- a/src/app/shared/atomic-components/atomic-alphanumeric/atomic-alphanumeric.component.ts
+++ b/src/app/shared/atomic-components/atomic-alphanumeric/atomic-alphanumeric.component.ts
@@ -1,8 +1,6 @@
-import { Component, Input, OnInit } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
 import { FormControl } from '@angular/forms';
-import { debounceTime, distinctUntilChanged, map, tap } from 'rxjs';
-import { Resource } from '../../interfacing/resource.interface';
 
 @Component({
   selector: 'app-atomic-alphanumeric',
@@ -10,38 +8,24 @@ import { Resource } from '../../interfacing/resource.interface';
   styleUrls: ['./atomic-alphanumeric.component.css'],
 })
 export class AtomicAlphanumericComponent extends BaseAtomicComponent<string> implements OnInit {
+  // make generic and put in BaseAtomicComponent class
   formControl!: FormControl<string | null>;
   newItemControl: FormControl<string> = new FormControl<string>('', { nonNullable: true, updateOn: 'blur' });
 
-  @Input()
-  // The type of the T for Resource<T> is not relevant nor to determine here; therefore unknow
-  // We require a Resource, that implements the required methods (like patch)
-  // Most likely this is a top-level component for a specific application interface (e.g. ProjectComponent)
-  resource!: Resource<unknown>; // TODO move to the base class. It is needed for all atomic components
-
-  @Input()
-  propertyName!: string; // TODO move to the base class. It is needed for all atomic components
-
   override ngOnInit(): void {
     super.ngOnInit();
     this.formControl = new FormControl(this.data[0], { nonNullable: false, updateOn: 'blur' });
 
-    this.formControl.valueChanges
-      .pipe(
-        debounceTime(300),
-        distinctUntilChanged(),
-        map((x) => (x === '' ? null : x)), // transform empty string to null value
-      )
-      .subscribe((x) =>
-        this.resource
-          .patch([
-            {
-              op: 'replace',
-              path: this.propertyName, // FIXME: this must be relative to path of this.resource
-              value: x,
-            },
-          ])
-          .subscribe(),
-      );
+    this.formControl.valueChanges.subscribe((x) =>
+      this.resource
+        .patch([
+          {
+            op: 'replace',
+            path: this.propertyName, // FIXME: this must be relative to path of this.resource
+            value: x,
+          },
+        ])
+        .subscribe(),
+    );
   }
 }
diff --git a/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.html b/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.html
index c5486e079..d9bc8b819 100644
--- a/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.html
+++ b/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.html
@@ -3,7 +3,7 @@
         <div class="w-full" *ngIf="isUni; else isNotUni">
             <textarea
                 pInputTextarea
-                [(ngModel)]="property"
+                [formControl]="formControl"
                 [required]="isTot"
                 maxlength="64000"
                 class="w-full min-w-10rem"
@@ -22,7 +22,7 @@
             <div class="p-inputgroup">
                 <textarea
                     pInputTextarea
-                    [(ngModel)]="newItem"
+                    [formControl]="newItemControl"
                     [required]="isNewItemInputRequired()"
                     maxlength="64000"
                     placeholder="Add text"
@@ -35,12 +35,6 @@
 </ng-template>
 
 <ng-template #notUpdatable>
-    <div *ngIf="isUni; else isNotUniAndNotUpdatable">
-        <div class="wordwrap">{{ property }}</div>
-    </div>
-</ng-template>
-
-<ng-template #isNotUniAndNotUpdatable>
     <div *ngFor="let row of data" class="wordwrap">{{ row }}</div>
 </ng-template>
 
diff --git a/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.ts b/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.ts
index f9a00815b..f5379fdbf 100644
--- a/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.ts
+++ b/src/app/shared/atomic-components/atomic-bigalphanumeric/atomic-bigalphanumeric.component.ts
@@ -1,4 +1,5 @@
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
+import { FormControl } from '@angular/forms';
 import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
 
 @Component({
@@ -6,6 +7,26 @@ import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
   templateUrl: './atomic-bigalphanumeric.component.html',
   styleUrls: ['./atomic-bigalphanumeric.component.css'],
 })
-export class AtomicBigalphanumericComponent extends BaseAtomicComponent<string> {
-  newItem!: string;
+export class AtomicBigalphanumericComponent extends BaseAtomicComponent<string> implements OnInit {
+  formControl!: FormControl<string | null>;
+  newItemControl: FormControl<string> = new FormControl<string>('', { nonNullable: true, updateOn: 'blur' });
+
+  // TODO: make FormGroup for when !isUni
+
+  override ngOnInit(): void {
+    super.ngOnInit();
+    this.formControl = new FormControl(this.data[0], { nonNullable: false, updateOn: 'blur' });
+
+    this.formControl.valueChanges.subscribe((x) =>
+      this.resource
+        .patch([
+          {
+            op: 'replace',
+            path: this.propertyName, // FIXME: this must be relative to path of this.resource
+            value: x,
+          },
+        ])
+        .subscribe(),
+    );
+  }
 }
diff --git a/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.html b/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.html
index 9184abaa1..8a07e3c3d 100644
--- a/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.html
+++ b/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.html
@@ -1,12 +1,7 @@
 <div *ngIf="canRead(); else notReadable">
     <div class="p-inputgroup" *ngIf="isUni; else isNotUni">
         <div class="w-full">
-            <p-inputSwitch
-                *ngIf="isUni && canRead()"
-                [(ngModel)]="property"
-                [disabled]="!canUpdate()"
-                (click)="getState()"
-            ></p-inputSwitch>
+            <p-inputSwitch *ngIf="isUni && canRead()" [formControl]="formControl" (click)="getState()"></p-inputSwitch>
         </div>
     </div>
 </div>
diff --git a/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.ts b/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.ts
index c9a510e26..228bf7156 100644
--- a/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.ts
+++ b/src/app/shared/atomic-components/atomic-boolean/atomic-boolean.component.ts
@@ -1,4 +1,5 @@
-import { Component, EventEmitter, Output } from '@angular/core';
+import { Component, EventEmitter, OnInit, Output } from '@angular/core';
+import { FormControl } from '@angular/forms';
 import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
 
 @Component({
@@ -6,10 +7,35 @@ import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
   templateUrl: './atomic-boolean.component.html',
   styleUrls: ['./atomic-boolean.component.css'],
 })
-export class AtomicBooleanComponent extends BaseAtomicComponent<boolean> {
+export class AtomicBooleanComponent extends BaseAtomicComponent<boolean> implements OnInit {
   @Output() state = new EventEmitter();
 
-  getState() {
+  formControl!: FormControl<boolean | null>;
+  newItemControl: FormControl<boolean> = new FormControl<boolean>(false, {
+    nonNullable: true,
+    updateOn: 'change',
+  });
+
+  override ngOnInit(): void {
+    super.ngOnInit();
+    this.formControl = new FormControl(this.data[0], { nonNullable: false, updateOn: 'blur' });
+    if (!this.canUpdate()) {
+      this.formControl.disable();
+    }
+    this.formControl.valueChanges.subscribe((x) =>
+      this.resource
+        .patch([
+          {
+            op: 'replace',
+            path: this.propertyName, // FIXME: this must be relative to path of this.resource
+            value: x,
+          },
+        ])
+        .subscribe(),
+    );
+  }
+
+  public getState() {
     this.state.emit(this.property);
   }
 }
diff --git a/src/app/shared/atomic-components/atomic-date/atomic-date.component.html b/src/app/shared/atomic-components/atomic-date/atomic-date.component.html
index 14609568e..000562eb6 100644
--- a/src/app/shared/atomic-components/atomic-date/atomic-date.component.html
+++ b/src/app/shared/atomic-components/atomic-date/atomic-date.component.html
@@ -4,8 +4,7 @@
         [showClear]="true"
         [readonlyInput]="true"
         [dateFormat]="format"
-        [(ngModel)]="property"
-        (ngModelChange)="onDateChange($event)"
+        [formControl]="formControl"
     ></p-calendar>
 </div>
 
diff --git a/src/app/shared/atomic-components/atomic-date/atomic-date.component.ts b/src/app/shared/atomic-components/atomic-date/atomic-date.component.ts
index 724565be5..36d930965 100644
--- a/src/app/shared/atomic-components/atomic-date/atomic-date.component.ts
+++ b/src/app/shared/atomic-components/atomic-date/atomic-date.component.ts
@@ -1,5 +1,6 @@
 import { DatePipe } from '@angular/common';
-import { Component, Input } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
+import { FormControl } from '@angular/forms';
 import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
 
 @Component({
@@ -7,14 +8,33 @@ import { BaseAtomicComponent } from '../BaseAtomicComponent.class';
   templateUrl: './atomic-date.component.html',
   styleUrls: ['./atomic-date.component.css'],
 })
-export class AtomicDateComponent extends BaseAtomicComponent<string> {
+export class AtomicDateComponent extends BaseAtomicComponent<string> implements OnInit {
   // Possible formats can be found at https://www.primefaces.org/primeng/calendar.
   // Scroll down to DateFormat for the documentation
   @Input() format: string = 'yy-mm-dd';
 
-  public onDateChange(date: Date): void {
-    console.log(date);
+  formControl!: FormControl<string | null>;
+  newItemControl: FormControl<string> = new FormControl<string>('', { nonNullable: true, updateOn: 'change' });
+
+  override ngOnInit(): void {
+    super.ngOnInit();
+    this.formControl = new FormControl(this.data[0], { nonNullable: false, updateOn: 'change' });
+
+    this.formControl.valueChanges.subscribe((x) =>
+      this.resource
+        .patch([
+          {
+            op: 'replace',
+            path: this.propertyName, // FIXME: this must be relative to path of this.resource
+            value: this.formatDate(x!),
+          },
+        ])
+        .subscribe(),
+    );
+  }
+
+  public formatDate(date: string): string {
     let datePipe: DatePipe = new DatePipe('en-US');
-    this.property = datePipe.transform(date, 'yyyy-MM-dd');
+    return datePipe.transform(date, 'yyyy-MM-dd')!;
   }
 }
diff --git a/src/app/shared/interfacing/patch-replace.interface.ts b/src/app/shared/interfacing/patch-replace.interface.ts
index c0ee3a9eb..9b93f6742 100644
--- a/src/app/shared/interfacing/patch-replace.interface.ts
+++ b/src/app/shared/interfacing/patch-replace.interface.ts
@@ -1,5 +1,6 @@
 export interface PatchReplace {
   op: 'replace';
   path: string;
-  value: string | null;
+  // make generic
+  value: string | boolean | null;
 }