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:
Jan. 11, 1994
Filed:
Nov. 18, 1992
Applicant:
Inventors:
Bruce R Palmer, Edmond, OK (US);
Penelope Stamatakis, Aurora, IL (US);
Assignee:
Kerr-McGee Chemical Corporation, Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 80 ; 524 82 ; 524 84 ; 524 85 ; 523122 ;
Abstract
A colloidal sulfur particle opacifying extender scatters light across the visible spectrum to result in an overall colorless appearance. A process for opacifying and extending a matrix which can be a water-borne emulsion or a coating, using the colloidal sulfur particles, and opacified and extended water-borne emulsions and coatings including the colloidal sulfur particles are also provided.