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:
Feb. 15, 1977
Filed:
Dec. 08, 1975
Applicant:
Inventors:
Igor Sobolev, Orinda, CA (US);
Erwin Panusch, Livermore, CA (US);
Assignee:
Kaiser Aluminum & Chemical Corporation, Oakland, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 173 ;
Abstract
Flame-retardant cellulosic hardboards and particle boards are made by incorporating in the boards a synergistically acting flame-retarding composition containing at least about 30% by weight (calculated on the weight of the flame-retarded board) alumina hydrate in combination with one of the following compositions: melamine-formaldehyde-phosphate, urea-formaldehyde-phosphate or dicyandiamide-formaldehyde-phosphate.