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 7438995 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 21, 2008

Filed:

May. 14, 2002
Applicants:

Roger Harquail French, Wilmington, DE (US);

Robert Clayton Wheland, Wilmington, DE (US);

Weiming Qiu, Wilmington, DE (US);

Inventors:

Roger Harquail French, Wilmington, DE (US);

Robert Clayton Wheland, Wilmington, DE (US);

Weiming Qiu, Wilmington, DE (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); C08F 12/20 (2006.01); C08F 14/18 (2006.01); C08F 114/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are partially fluorinated and fully fluorinated polymers that are substantially transparent to ultraviolet radiation at wavelengths from approximately 150 nanometer to 260 nanometers.


Find Patent Forward Citations

French, Roger. (2008). Use of partially fluorinated polymers in applications requiring transparency in the ultraviolet and vacuum ultraviolet (U.S. Patent No. 7438995). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7438995

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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