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:
Oct. 31, 1978
Filed:
Jun. 20, 1977
Applicant:
Inventor:
George M Wagner, Lewiston, NY (US);
Assignee:
Hooker Chemicals & Plastics Corp., Niagara Falls, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
D06M / ;
U.S. Cl.
CPC ...
427324 ; 8116 / ; 427302 ; 427303 ; 4273 / ; 427394 ; 428921 ;
Abstract
A method of imparting flame retardant character to cellulosic containing material by applying an effective fire retarding imparting amount of a phosphorous composition to the material and curing the phosphorous composition, the improvement comprising pretreating the material with an aqueous caustic solution prior to applying the phosphorous composition, wherein the material contains at least 20% polyester.