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:
Feb. 09, 1999
Filed:
Mar. 19, 1997
Applicant:
Inventors:
Joonsup Park, Arlington, TX (US);
Ronald P Quintana, Arlington, TX (US);
Bor-shyue Hong, Arlington, TX (US);
Bahram Asgharian, Arlington, TX (US);
Assignee:
Alcon Laboratories, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; B08B / ;
U.S. Cl.
CPC ...
134 42 ; 510392 ; 510530 ; 510113 ; 510114 ; 435187 ; 435188 ; 435219 ; 435220 ; 424 943 ;
Abstract
The invention discloses PEG-modified proteases, compositions containing these modified enzymes, and methods for using them to clean contact lenses. The methods of the present invention are also directed to the simultaneous cleaning and disinfecting of contact lenses, when compositions of the present invention are combined with a suitable disinfectant.