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. 29, 2003
Filed:
Jan. 19, 2001
Applicant:
Inventors:
Takashi Takahashi, Tokyo, JP;
Yukio Ikezawa, Tokyo, JP;
Assignee:
Kabushiki Kaisha Topcon, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/30 ;
U.S. Cl.
CPC ...
C08K 3/30 ;
Abstract
A standard white paint with good weather resistance and improvement of reflectivity characteristics for UV as well as adhesion to the substrate is provided. The white standard paint of the present invention contains barium sulfate, binder and solvent in which Polyvinyl alcohol is used as binder. The polymerization degree of the polyvinyl alcohol is ranging from 900 to 1100 and the saponification degree is ranging from 86 mol % to 90 mol %.