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:
Jun. 02, 1992
Filed:
Nov. 27, 1989
Applicant:
Inventors:
Assignee:
Illbruck GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08G / ;
U.S. Cl.
CPC ...
521137 ; 521 82 ; 521120 ; 521136 ; 521158 ; 521159 ; 521163 ; 521181 ; 521187 ; 521188 ;
Abstract
A method of producing elastic foam having a base of polyurethane, in particular for use in the field of automobiles for sound damping. Allows production of foam parts directly in a desired shape in as few operations as possible. The foam is formed from a mixture of at least one polyurethane precondensate, at least on melamine precondensate and further additives for the foaming.