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:
Sep. 25, 2012
Filed:
Jan. 25, 2007
Mirko Rossi, San Lazzaro di Savena, IT;
Graziano Zagnoni, Vergato, IT;
Manuele Vitali, Bologna, IT;
Dario Lazzari, Bologna, IT;
Walter Fischer, Reinach, CH;
Mirko Rossi, San Lazzaro di Savena, IT;
Graziano Zagnoni, Vergato, IT;
Manuele Vitali, Bologna, IT;
Dario Lazzari, Bologna, IT;
Walter Fischer, Reinach, CH;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention pertains to a reversible thermochromic system comprising a β-phenylvinylketone or a ω-phenyl polyacetylenyl ketone with at least one acidic hydrogen and a base and to a reversible thermochromic composition comprising the reversible thermochromic system and a carrier material and to novel substituted β-phenylvinylketones or ω-phenyl polyacetylenyl ketones with at least one acidic hydrogen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile