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 4940650 B1

Date of Patent:

Jul. 10, 1990

Filed:

Mar. 31, 1989

Preparation of recording layers and their use for the production of

Applicant:

Inventors:

Karl-Rudolf Kurtz, Heidelberg, DE;

Horst Koch, Gruenstadt, DE;

Guenther Schulz, Ludwigshafen, DE;

Assignee:

BASF Aktiengesellschaft, Ludwigshafen, DE;

Attorney:

Keil & Weinkauf

Primary Examiner:

Paul R Michl

Assistant Examiner:

Cynthia Hamilton

Int. Cl.

CPC ...

G03C / ; G03C / ;

U.S. Cl.

CPC ...

430283 ; 430287 ; 430907 ; 430286 ; 522117 ; 522121 ; 522125 ;

Abstract

A flexographic printing plate which is resistant to ozone cracking and where the flexible recording layer has an anisotropy factor AF of <1.5 is produced from a photosensitive mixture consisting of

Find Patent Forward Citations

Kurtz, Karl-Rudolf. (1990). Preparation of recording layers and their use for the production of (U.S. Patent No. 4940650). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4940650

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