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:
May. 09, 1989
Filed:
Feb. 10, 1988
Applicant:
Inventors:
Yukio Oda, Yokohama, JP;
Mikito Kitayama, Yokohama, JP;
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523220 ; 523171 ; 523513 ;
Abstract
An unsaturated polyester resin composition suitable for an onyx-like artificial marble is obtained by using aluminum hydroxide having an average primary particle size of at least 20 .mu.m or a mixture thereof with aluminum hydroxide pulverized from the above aluminum hydroxide and having an average particle size of at least 15 .mu.m. This composition has an improved transparency, a reduced coloration, and a good productivity.