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:
Sep. 08, 1998
Filed:
Sep. 12, 1997
Applicant:
Inventors:
Assignee:
DSM N.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08L / ; B05D / ;
U.S. Cl.
CPC ...
524590 ; 427474 ; 427545 ; 427557 ; 427559 ; 4273722 ; 427375 ; 4273855 ; 4273882 ; 524539 ; 524507 ; 524589 ; 525124 ; 528 45 ;
Abstract
The invention relates to a powder paint binder composition. The binder composition comprises a hydroxyl functional polymer and a crosslinker containing blocked isocyanate groups. The crosslinker includes (i) a crystalline compound containing blocked isocyanate groups and ii) an amorphous compound containing blocked isocyanate groups. Preferably the crosslinker is a mixture of blocked hexamethylene diisocyanate trimer and blocked 1,6-hexamethylene diisocyanate.