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:
Oct. 21, 2014
Filed:
Oct. 25, 2012
Applicant:
3v Sigma S.p.a., Milan, IT;
Inventors:
Ferruccio Berte', Bergamo BG, IT;
Marco Brena, Bergamo BG, IT;
Massimo Fabbi, Mozzo BG, IT;
Francesco Maestri, Bergamo BG, IT;
Assignee:
3V Sigma S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L 3/12 (2006.01); C07D 253/00 (2006.01); C11D 3/42 (2006.01);
U.S. Cl.
CPC ...
C11D 3/42 (2013.01); D06L 3/1228 (2013.01);
Abstract
The present invention relates to whitening compositions, processes for obtaining such compositions, stable aqueous solutions of such compositions and the use of such compositions for whitening of textile fibers, paper and in detergency.