The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 1979
Filed:
May. 31, 1977
Applicant:
Inventors:
Georges Sturtz, 29200 Brest, FR;
Jean-Claude Clement, 91240 Saint Michel sur Orge, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528337 ; 260 / ; 260940 ; 260942 ; 260944 ; 528 72 ; 528370 ; 528399 ;
Abstract
This invention concerns the preparation of dinitrile phosphonates, as well as their hydrolysis into the corresponding diacids, and reduction into the corresponding diamines. These compounds can be used, in particular, to make polyamides, polyurethanes or polyurates fireproof, as well as to increase their adhesive properties.