N-(dialkylphosphonoalkyl)-carbamic acid alkyl esters

• US 3,899,548 A
• Filed: 06/17/1974
• Issued: 08/12/1975
• Est. Priority Date: 06/19/1973
• Status: Expired due to Term

• Current Assignee: Friedrich Fuchs, Harro Petersen, Peter Scharwaechter
• Original Assignee: Friedrich Fuchs, Harro Petersen, Peter Scharwaechter
• Inventors: Petersen, Harro, Fuchs, Friedrich, Scharwaechter, Peter
• Primary Examiner(s): Sutto, Anton H.
• Assistant Examiner(s): Raymond, Richard L.
• Application Number:
  US05/479,893
• Time in Patent Office: 421 Days
• Field of Search: 260/937,932,938,970
• US Class Current: 558/83
• CPC Class Codes: C07F 9/4006 Esters of acyclic acids which can have further substituents on alkyl
• CPC Class Codes: D06M 13/288 Phosphonic or phosphonous acids or derivatives thereof

Abstract

Certain alkyl esters of N-(dialkylphosphonoalkyl)-carbamic acid, their use as flameproofing agents for textiles and a process for their production.

Claims

1. A SUBSTANCE OF THE FORMULA:

2. A substance as set forth in claim 1 wherein R1, R3 and R4 are unsubstituted alkyl of 1 or 2 carbon atoms, R2 is hydrogen, methylol or alkoxymethyl of 1 to 3 carbon atoms, A is linear alkylene of 3 or 5 carbon atoms and X is alkylene of 2 to 4 carbon atoms or alkylene of 2 to 4 carbon atoms containing 1 ether group.

3. A substance as set forth in claim 1 having the formula:

4. A substance as set forth in claim 1 having the formula:

5. A substance as set forth in claim 1 having the formula:

6. A substance as set forth in claim 1 having the formula:

7. A substance as set forth in claim 1 having the formula:

8. A substance as set forth in claim 1 having the formula:

9. A substance as set forth in claim 1 having the formula:

10. A substance as set forth in claim 1 having the formula:

11. A substance as set forth in claim 1 having the formula:

12. A substance as set forth in claim 1 having the formula:

13. A substance as set forth in claim 1 having the formula:

14. A substance as set forth in claim 1 having the formula:

15. A substance as set forth in claim 1 having the formula:

16. A substance as set forth in claim 1 having the formula: