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.

Date of Patent:
Aug. 30, 2011

Filed:

Feb. 14, 2007
Applicants:

Karl A. Schellenberg, Virginia Beach, VA (US);

Frank A. Lattanzio, Chesapeake, VA (US);

James Shaeffer, Wytheville, VA (US);

Inventors:

Karl A. Schellenberg, Virginia Beach, VA (US);

Frank A. Lattanzio, Chesapeake, VA (US);

James Shaeffer, Wytheville, VA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/21 (2006.01); C07C 227/00 (2006.01); A61L 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is directed generally to protecting cells, tissues and organs against the damaging effects of ionizing or other damaging agents associated with radiation or chemotherapy, or degenerative diseases or processes of various organs that elicit the production of free radicals or oxidants such as peroxides, superoxide anions, hydroxyl radicals or nitric oxides, or heavy metal cations. More particularly, the present invention is concerned with methoxypolyethylene glycol thioester chelate methyl esters that are useful as protectors against tissue damage by penetrating the cell membrane to donate electrons to free radical oxidants and remove heavy metals that may react with peroxides to produce the reactive hydroxyl radical, or remove Ca++ that may be released from organelles. These chelate esters will also have utility in reducing intraocular pressure in glaucoma patients.


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