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. 07, 2013
Filed:
Dec. 25, 2006
Nobuhito Tabuchi, Tokyo, JP;
Manabu Hattori, Tokyo, JP;
Nobuhito Tabuchi, Tokyo, JP;
Manabu Hattori, Tokyo, JP;
Lion Corporation, Tokyo, JP;
Abstract
Disclosed is a composition for soft contact lenses which enables to suppress adsorption of a basic chemical substance onto a soft contact lens. This composition for soft contact lenses comprises (A) a basic chemical substance selected from amines having a secondary amino group and/or a tertiary amino group and salts thereof, and (B) one or more substances selected from amino acids and salts thereof, acid mucopolysaccharides and salts thereof and cyclodextrin, while having a pH of 3.5 to 4.8. Also disclosed is a method for suppressing adsorption of the basic chemical substance onto a soft contact lens.