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:
Aug. 19, 1986

Filed:

Oct. 04, 1984
Applicant:
Inventors:

Siegfried Heinrich, Wuppertal, DE;

Rudolf Heitzmann, Wuppertal, DE;

Ahmed Shafik, Wuppertal, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B32B / ; C08G / ;
U.S. Cl.
CPC ...
4273881 ; 428336 ; 4284231 ; 4284258 ; 525124 ; 525403 ; 525440 ; 528 45 ;
Abstract

Lacquer for coatings protecting against stone chipping, containing pigments, fillers, binders consisting of a mixture of film forming, hydroxyl-containing polyesters and aliphatic and/or cycloaliphatic polyisocyanates which are blocked with acetoacetic acid alkyl esters and have an average functionality of at least 2.5, organic solvents and conventional lacquer additives, which lacquer contains certain polyesters having an average hydroxyl functionality of from 2.5 to 6 and a hydroxyl content of from 2 to 6% by weight and containing from 15 to 50% by weight (aliphatic content) of aliphatic groups which have at least 4 to 20 carbon atoms in an unbranched chain, the proportion by weight of this aliphatic group content in the polyester to the benzene ring content in the polyester, calculated as the sum of the weight of carbon atoms of the benzene rings and of the hydrogen atoms attached to these carbon atoms (aromatic content) is from 1 to 2.5, and a process for its preparation and its use.


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