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:
Jul. 13, 1976
Filed:
Feb. 23, 1971
Applicant:
Inventor:
Kyung Sup Shim, Irvington, NY (US);
Assignee:
Stauffer Chemical Company, Westport, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C08J / ;
U.S. Cl.
CPC ...
260937 ; 260 / ; 428276 ;
Abstract
Novel cyclic phosphorus esters are disclosed having the formula: ##EQU1## where R.sub.9 and R.sub.10 can be the same or different and are selected from the group consisting of hydrogen, lower alkyl, lower hydroxyalkyl, lower haloalkyl and hydroxy with the proviso that no more than one of R.sub.9 and R.sub.10 can be hydroxy. These compounds are useful for the preparation of flame retardant textile finishes as well as for use as polyols for preparing flame retardant polyurethane foams.