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.

Date of Patent:
Dec. 09, 1980

Filed:

Apr. 12, 1976
Applicant:
Inventors:

Franz Alfes, Krefeld, DE;

Wolfgang Jacob, Moers, DE;

Karl-Heinrich Meyer, Krefeld, DE;

Ludwig Bottenbruch, Krefeld, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252403 ; 252300 ; 560 48 ; 260 / ; 260 / ; 260 / ;
Abstract

Polymers comprising terephthalyl-or oxal arylamide groups represent excellent light stabilizers for synthetic, semi-synthetic and/or naturally occurring organic materials.


Find Patent Forward Citations

Alfes, Franz. (1980). Polyarylamide, their production and their use as absorbers for (U.S. Patent No. 4238351). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4238351

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

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