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. 27, 1981
Filed:
Jun. 27, 1980
Applicant:
Inventor:
Johannes Blahak, , DE;
Assignee:
Metzeler Kautschuk GmbH, Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521107 ; 521110 ; 521128 ; 521130 ; 521131 ; 521159 ;
Abstract
Polyurethane elastomeric foam by foaming a prepolymer or polyisocyanates and compounds having at least two hydrogen atoms reactive to isocyanates, and a chain-lengthening polyamine agent, in the presence of an expanding agent containing a component reactive with the polyamine chain-lengthening agent or with the products of reaction thereof with polyisocyanates, and split-off gas.