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:
Jan. 14, 1986
Filed:
Jul. 13, 1984
Applicant:
Inventors:
John R Curtis, Thanet, GB;
John D Renwick, Ramsgate, GB;
Assignee:
Sericol Group Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430308 ; 430175 ; 430176 ; 430177 ; 430292 ; 430294 ;
Abstract
The invention provides photosensitive compositions useful in the production of screen printing stencils which comprise, in addition to the usual ingredients, also an indicator to show when a layer formed from the said composition has been isolubilized by exposure to actinic light.