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:
Jun. 30, 1981
Filed:
Mar. 10, 1980
Applicant:
Inventors:
Joseph Cremer, Hurth, DE;
Heink Harnisch, Cologne, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; D04B / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
428254 ; 428921 ; 8116 / ; 106 1816 ; 106 1817 ; 423300 ; 423302 ;
Abstract
The invention provides active polymeric phosphorus nitrides containing hydroxyl and halogen. The halogen atoms and hydroxyl groups are linked to phosphorus, and the nitrides contain about 35 to 54 weight % of phosphorus, about 35 to 47 weight % of nitrogen, about 1 to 20 weight % of oxygen and about 0.1 to 8 weight % of chlorine.