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:
Feb. 04, 2014
Filed:
Jul. 17, 2006
Jonathan Campbell, Riehen, CH;
William Walker, Manchester, GB;
Alan Platt, Manchester, GB;
John Whitworth, Manchester, GB;
Karen O'donoghue, Epping, GB;
Ann Hunt, Stockport, GB;
Howard Roger Dungworth, Huddersfield, GB;
John Mark Plonka, Leeds, GB;
Jonathan Campbell, Riehen, CH;
William Walker, Manchester, GB;
Alan Platt, Manchester, GB;
John Whitworth, Manchester, GB;
Karen O'Donoghue, Epping, GB;
Ann Hunt, Stockport, GB;
Howard Roger Dungworth, Huddersfield, GB;
John Mark Plonka, Leeds, GB;
Gill Jennings & Every LLP, London, GB;
Abstract
The present invention provides a composition, which comprises an aqueous solvent and forms a transparent colorless coating, which yields markings of high contrast on exposure to energy. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process.