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. 21, 1989
Filed:
Mar. 30, 1987
Applicant:
Inventors:
Michael W Klett, Allison Park, PA (US);
Balbhadra Das, Allison Park, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528244 ; 528259 ; 524115 ; 524122 ; 524123 ; 524154 ; 525509 ; 525515 ; 525517 ; 525538 ; 252609 ; 252611 ; 106 1815 ; 106 1817 ; 106 1818 ; 106 1819 ; 106 1825 ; 568-8 ; 568-9 ;
Abstract
An aqueous, resinous solution of a curable, polymeric reaction product, the cured polymeric flame resistant coating and methods for producing them are provided. The solution is formed by direct reaction or prepolymer reaction and chain extension reaction of a methylol and/or hydroxyl-containing quaternary phosphonium compound, divalent nitrogen-containing compound and a heteroatom-containing compound. A nitrogen-containing compound has at least 2 active hydrogen and/or methylol radicals. The direct or prepolymer reaction has present a tertiary amine.