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:
Apr. 20, 1993
Filed:
Mar. 30, 1992
Applicant:
Inventors:
Assignee:
Crown Decorative Products Limited, Derby, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524 30 ; 524732 ; 524733 ; 524734 ; 523200 ; 523205 ;
Abstract
A water-based emulsion paint, for example, is formulated with high refractive index opacifying pigment particles, dispersant, and polymer particles in which substantially all of the pigment particles (40) are disjuncted from one another and contained within an attached cluster of polymer particles (41) or have appendant polymer particles to give opacifying units having a nodular outline. Preferably micro-voids are trapped between particles and the dispersant is less than 1% of the pigment by weight.
Tonge, Christopher. (1993). Aqueous surface coating material prepared by emulsion polymerization (U.S. Patent No. 5204388). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5204388
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile