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:
Dec. 26, 1978
Filed:
Jul. 18, 1977
Applicant:
Inventors:
Assignee:
Dr. Beck & Co AG, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427117 ; 427120 ; 427156 ; 4273 / ; 428375 ; 428378 ; 428425 ; 260 / ; 260 / ; 260 316 ; 260 / ; 260 / ; 528 80 ;
Abstract
A varnish is provided for coating a wire which is directly tinnable. The varnish comprises hardenable polyester urethane having a urethane equivalent weight of 150-850, the polyester being formed as the product of the reaction of a saturated polyester containing at least two hydroxyl functional groups and an aromatic isocyanate containing at least two functional groups of isocyanate and a phenol-free solvent for the polyester urethane. A process for producing this varnish is also provided.