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:
Dec. 20, 1988
Filed:
May. 04, 1987
Applicant:
Inventors:
Kai C Su, Roswell, GA (US);
Leslie F Stebbins, Roswell, GA (US);
Rajkumar P Bhatia, Arlington, TX (US);
Assignee:
Alcon Laboratories, Inc., Forth Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
25217417 ; 134-7 ; 134 42 ; 252106 ; 25217415 ; 25217421 ; 25217423 ;
Abstract
Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R30 to about M105, or a shore hardness in the range from about A15 to about D100.