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:
Jun. 02, 1998
Filed:
Feb. 04, 1997
Applicant:
Inventors:
Michael T Venturini, Yorktown Hts, NY (US);
Carolyn Lavallee, Croton-on-Hudson, NY (US);
Deborah Cacace, Cold Spring, NY (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106418 ; 106417 ; 106445 ; 106446 ; 106490 ;
Abstract
A pearlescent pigment having improved humidity resistance and weatherability is realized by a metal oxide-coated mica pearlescent pigment which has an aluminum or an aluminum-cerium combined with a hydrolyzed silane coupling agent treated surface.