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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.:

US 4152510 B1

PDFFull Text
Date of Patent:
May. 01, 1979

Filed:

Oct. 25, 1977

Polyurethane elastomers and a process for their production

Applicant:
Inventors:

Johannes Blahak, Leverkusen, DE;

Walter Meckel, Neuss, DE;

Erwin Muller, Leverkusen, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorneys:

Harsh; Gene

Gil; Joseph C.

Primary Examiner:

H S Cockeram

Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 68 ; 2604 / ; 260578 ; 528 63 ;
Abstract

Novel polyurethane elastomers having excellent physical properties are prepared utilizing as chain extenders aromatic diamine compounds having the general formula ##STR1## wherein R is hydrogen, C.sub.1 to C.sub.4 alkyl, halogen, C.tbd.N, CF.sub.3 or SO.sub.2 --Z wherein Z is C.sub.1 to C.sub.4 alkyl, several of which diamine compounds are hitherto unknown in the art.

Find Patent Forward Citations

Blahak, Johannes. (1979). Polyurethane elastomers and a process for their production (U.S. Patent No. 4152510). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4152510

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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