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:
Dec. 21, 1993
Filed:
Sep. 29, 1992
Applicant:
Inventors:
Tamio Noguchi, Iwaki, JP;
Tamio Aikawa, Iwaki, JP;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C09C / ;
U.S. Cl.
CPC ...
106415 ; 106417 ; 106418 ; 106438 ; 106450 ; 106459 ;
Abstract
A pigment comprising leaf-like substrates particles having a particle size of 0.5 to 100 .mu.m, whereby the surface of said particles is covered with a metal oxide comprising titanium oxide and zirconium oxide in a molar ratio of 10:1 to 10:15 within a range of from 20 wt. % to 60 wt. % based on the total weight of the pigment possesses good adhesion and spreadability and has an effect of preventing ultraviolet rays and infrared rays.