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:
Nov. 24, 1998
Filed:
Jun. 21, 1995
Applicant:
Inventors:
Assignee:
Koken Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
604-8 ; 604-9 ; 604294 ; 424548 ; 424423 ; 424422 ; 424549 ; 424484 ; 514-8 ;
Abstract
A method of obstructing the lacrimal canaliculi by infusing therein a solution or liquid dispersion containing a gel forming material, such having collagen as the main ingredient in the range of 1 mg/ml to 70 mg/ml for improving the symptoms of dry eye.