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. 05, 2000
Filed:
Jan. 30, 1998
Applicant:
Inventor:
Hugh Stephen Laver, Reinach, CH;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C08K / ;
U.S. Cl.
CPC ...
4272071 ; 525421 ; 525437 ; 525438 ; 525440 ; 524 86 ; 524 91 ; 524 99 ; 524100 ; 524261 ; 524284 ; 524356 ; 4273851 ; 4273855 ; 427386 ; 427387 ; 4273882 ; 427487 ;
Abstract
A method for improving the chargeability of a powder coating composition containing an organic film-forming binder, which method comprises incorporating into the powder coating composition at least two different compounds containing a residue of the formula (A) ##STR1## as electron donors.