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:
May. 20, 1980
Filed:
Nov. 29, 1978
Applicant:
Inventor:
Arlen W Frank, Slidell, LA (US);
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; D06M / ;
U.S. Cl.
CPC ...
560158 ; 8183 ; 8185 ; 8187 ; 560148 ;
Abstract
The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 P, are prepared by reacting a quaternary phosphonium salt, having the formula (RO.sub.2 CNHCH.sub.2).sub.4 P.sup.+ X.sup.-, with a base, preferably one that is capable of reacting with and thereby inactivating the by-product formaldehyde or formaldehyde derivative. The products are useful as intermediates for the preparation of finishing agents that impart flame retardant properties to cotton fabrics.