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. 04, 1995
Filed:
Jan. 06, 1994
Applicant:
Inventors:
Robert E Beck, Fort Worth, TX (US);
Haresh G Bhagat, Fort Worth, TX (US);
Philip D Gressel, Everman, TX (US);
Fred M Killinger, Arlington, TX (US);
Assignee:
Alcon Laboratories, Inc., Fort Worth, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424717 ; 424700 ; 514912 ;
Abstract
Non-preserved physiological tear compositions comprise the ionic components of normal human tear film in substantially the same amounts and proportions. Novel methods of preparation of these compositions and novel packaging allow the maintenance of the bicarbonate concentration in these compositions.