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:
Aug. 30, 1994
Filed:
Mar. 10, 1993
Applicant:
Inventors:
Roy R Wilkinson, Wellingborough, GB;
Anthony Phillips, Thrapston, GB;
Assignee:
Scott Bader Company Limited, Wellingborough, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525176 ; 525177 ;
Abstract
A thermosetting powder coating composition containing a solid saturated thermosetting polyester having an acid value of at least 25 and a glass transition temperature (Tg) of at least 45.degree. C. and a curing agent such as a hydroxyalkyl amide capable of reacting with carboxylic acid groups of the polyester additionally contains, as an anti-popping agent, a thermoplastic polymer which i) is solid, ii) has a Tg of 30.degree.-100.degree. C., iii) comprises, at least mainly, units derived from at least one alkyl acrylate or alkacrylate and iv) has an acid value of no more than 10.