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:
Apr. 27, 1976
Filed:
Aug. 22, 1974
Applicant:
Inventors:
Armand B Pepperman, Jr, Metairie, LA (US);
Donald J Daigle, New Orleans, LA (US);
Sidney L Vail, River Ridge, LA (US);
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ; D06M / ; C09K / ;
U.S. Cl.
CPC ...
8116 / ; 8196 ; 106 / ; 252-81 ; 427341 ; 427342 ; 427390 ; 428921 ;
Abstract
Hydroxymethylphosphine-ammonia and similar polymers, solubilized by hydroxymethylphosphonium salts and formaldehyde, were allowed to react with nitrogenous compounds such as urea, trimethylolmelamine and ammonia to (a) prepare flame-resistant polymers and (b) prepare flame-, glow-, wrinkle and shrink-resistant woven and knit textiles which contain 25% or more cellulosic fibers.