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:
Dec. 23, 1997
Filed:
Dec. 23, 1994
Applicant:
Inventors:
Masuo Iwata, Kanagawa, JP;
Mika Seki, Kanagawa, JP;
Kouji Inoue, Kanagawa, JP;
Ryoji Takahashi, Tokyo, JP;
Tikashi Fukumura, Fukuoka, JP;
Masaya Tanaka, Fukuoka, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428403 ; 428407 ; 428920 ; 524415 ; 524416 ;
Abstract
Water-insoluble ammonium polyphosphate particles are provided which include melamine-coated ammonium polyphosphate particles with the surface thereof being crosslinked by a reaction between the melamine of the melamine-coated ammonium polyphosphate particles and a crosslinking agent having a functional group capable of reacting with the active hydrogen atoms belonging to the amino group in the melamine molecule.