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:
Nov. 02, 2010

Filed:

Oct. 17, 2008
Applicants:

Keshav Deo, Baroda, IN;

Chandrakant Chunilal Shah, Baroda, IN;

Kalpesh Patel, Kheda, IN;

Nilpesh Patel, Baroda, IN;

Viral Parekh, Morbi, IN;

Ronak Patel, Ahmedabad, IN;

Jignesh Soni, Patan, IN;

Hiral Shah, Baroda, IN;

David E. Seelye, Williamsville, NY (US);

Mahendra P. Nandu, Pittsford, NY (US);

Inventors:

Keshav Deo, Baroda, IN;

Chandrakant Chunilal Shah, Baroda, IN;

Kalpesh Patel, Kheda, IN;

Nilpesh Patel, Baroda, IN;

Viral Parekh, Morbi, IN;

Ronak Patel, Ahmedabad, IN;

Jignesh Soni, Patan, IN;

Hiral Shah, Baroda, IN;

David E. Seelye, Williamsville, NY (US);

Mahendra P. Nandu, Pittsford, NY (US);

Assignee:

Bausch & Lomb Incorporated, Rochester, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 249/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

The synthesis of benzotriazole monomers and the use of the benzotriazole monomers and one or more other monomers to prepare ultraviolet (UV) light absorbing polymer compositions. The synthetic methods described in this application provide a significant improvement over the previous methods used to prepare benzotriazole monomers.


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