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:
Aug. 15, 1989
Filed:
Jul. 27, 1988
Applicant:
Inventors:
David C Bott, Warwickshire, GB;
Lucy M Connors, Sunbury-on-Thames, GB;
Assignee:
The British Petroleum Company p.l.c., London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430 18 ; 430287 ; 430326 ; 430330 ;
Abstract
This invention relates to dry processible photo polymers, a method for their production and uses thereof. The photo polymers are produced by selectively irradiating discrete zones of a precursor polymer by UV or visible light followed by thermal oxidation to create polymer films which have modified optical and surface relief properties. Such photo polymers can be used in a number of applications eg wave guiding.