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. 07, 1992
Filed:
Feb. 09, 1990
Applicant:
Inventors:
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525397 ; 526212 ; 526215 ;
Abstract
Block copolymers based on polyphenylene ethers and polycondensates obtained by a process that comprises of the following steps:
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Kowalczik, Udo. (1992). Block copolymers based on polyphenylene ethers and polycondensates, and (U.S. Patent No. 5128422). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5128422
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile