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:
Jan. 09, 1979
Filed:
Jun. 30, 1977
Applicant:
Inventor:
James A Albright, Ann Arbor, MI (US);
Assignee:
Velsicol Chemical Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
260928 ; 260953 ; 521107 ; 521906 ; 521169 ; 260 / ; 528 72 ; 528287 ;
Abstract
Novel esters of pentavalent phosphorus acid having the formula ##STR1## WHEREIN R and R' are haloalkyl containing from 2 to 6 carbon atoms and from 1 to 6 halogen atoms; n is an integer of from 1 to 3; each X is independently selected from hydrogen, halogen, alkyl, or hydroxyl, provided that at least one X is hydroxyl. The above compounds are effective reactive flame retardants in polyurethane and polyester polymeric compositions.