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. 30, 1984
Filed:
Feb. 26, 1982
Applicant:
Inventor:
Heinz Baumann, Kleinniedesheim, DE;
Assignee:
Schaum-Chemie Wilhelm Bauer G.m.b.H. & Co. KG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521106 ; 521121 ; 521130 ; 521180 ; 521181 ; 521187 ; 521188 ; 528144 ; 528161 ; 528164 ;
Abstract
Amino-resin products, which include aminoplast foams, can be modified by reacting an aminoplast precondensate, which contains an excess of formaldehyde or to which supplemental formaldehyde or another lower monoaldehyde or dialdehyde has been added before processing, with a hardening agent or with a solution of hardening agent, surfactant, and foamer in the presence of an additive that consists of one or more mononuclear or binuclear phenols, phenolic ethers, or acenaphthene derivatives with the overall formulas ##STR1## in which X is H, OH, SO.sub.3 H, Cl, CH.sub.3, or C.sub.2 H.sub.5 and