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. 23, 2001
Filed:
Mar. 23, 1999
Applicant:
Inventors:
Akira Tsuzuki, Kasugai, JP;
Osamu Mori, Kasugai, JP;
Assignee:
Menicon Co., Ltd., Nagoya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/320 ; B01F 1/700 ; B01D 6/506 ; A61K 3/174 ;
U.S. Cl.
CPC ...
C01B 3/320 ; B01F 1/700 ; B01D 6/506 ; A61K 3/174 ;
Abstract
An agent for contact lenses, which comprises an aqueous medium and synthetic smectites particulates consisting essentially of primary particles having a particle size of at most 200 nm, dispersed in the aqueous medium.