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:
Apr. 08, 1997
Filed:
Jul. 22, 1996
Applicant:
Inventor:
Renato Vosa, Casagiove, IT;
Assignee:
Sinco Engineering S.p.A., , IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08K / ;
U.S. Cl.
CPC ...
528288 ; 528272 ; 528288 ; 528298 ; 528302 ; 528308 ; 5283086 ; 524714 ; 524770 ;
Abstract
Aromatic polyester resins having improved color characteristics obtained incorporating in the resins in the preparation phase of the resin by polycondensation of a diol with an aromatic bicarboxylic acid a violet toner formed of 9,10 anthraquinone -2-hydroxy-4-p-toluidine or having an absorption spectrum comparable to that of the above anthraquinone compound.
Vosa, Renato. (1997). Polyester resin with improved color characteristics (U.S. Patent No. 5618908). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5618908
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile