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:
Jul. 17, 1990
Filed:
Oct. 26, 1988
Applicant:
Inventors:
Arno Gardziella, Witten-Rudinghausen, DE;
Alois Kwasniok, Iserlohn, DE;
Assignee:
Rutgerswerke AG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08F / ; C08K / ;
U.S. Cl.
CPC ...
528129 ; 528139 ; 528143 ; 528144 ; 528146 ; 525480 ; 525481 ; 525500 ; 525501 ; 525502 ; 525503 ; 525504 ; 525505 ;
Abstract
A heat-hardenable binder comprising (a) a phenolic resin of a phenolic compound and formaldehyde in a molar ratio of 1:1 to 1:2 and (b) an effective amount of a hardener mixture of hexamethylenetetramine and an acidic latent hardening agent with reduced emission problems and curing rapidly.