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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 4675211 B1

PDFFull Text
Date of Patent:
Jun. 23, 1987

Filed:

Apr. 11, 1984

Process for multiple-coat reverse coating using polyurethane solutions

Applicant:
Inventors:

Wilhelm Thoma, Leverkusen, DE;

Josef Pedain, Cologne, DE;

Walter Schroer, Leverkusen, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorneys:

Harsh; Gene

Gil; Joseph C.

Roy; Thomas W.

Primary Examiner:

Bernard D Pianalto

Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
4272088 ;
Abstract

This invention relates to a process for multiple-coat reverse coating using at least two different polyurethane coating solutions, all the coating solutions containing one and the same polar solvent, preferably substantially anhydrous dimethyl formamide. By choosing

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Thoma, Wilhelm. (1987). Process for multiple-coat reverse coating using polyurethane solutions (U.S. Patent No. 4675211). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4675211

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