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.:

US 8247461 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 21, 2012

Filed:

Jan. 26, 2010
Applicants:

Francis X. Smith, Salem, NH (US);

John Randall Tracey, Salem, NH (US);

Inventors:

Francis X. Smith, Salem, NH (US);

John Randall Tracey, Salem, NH (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/74 (2006.01); A61K 47/00 (2006.01); B01D 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ophthalmic solution comprising a polyethoxylated glyceride in the range of 0.001 to about 10 percent by weight and a buffer agent. These solutions impart surprising comfort and wearability to contact lenses. At the same time the solutions provide good preservative capacity and do not increase protein deposit.


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Smith, Francis. (2012). Ophthalmic and contact lens solution (U.S. Patent No. 8247461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8247461

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