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:
Dec. 22, 1981
Filed:
Aug. 05, 1980
Applicant:
Inventors:
Francesco De Feo, Milan, IT;
Adelio Basilico, Cogliate, IT;
Assignee:
Aziende Colori Nazionali Affini ACNA S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8471 ; 8506 ; 8539 ; 8550 ; 8584 ; 8630 ; 8648 ; 8657 ; 8661 ; 8919 ; 106 22 ;
Abstract
This invention relates to novel dye salts of basic dyes or basic optical brighteners and anionic esters of boric acid. The invention also includes the preparation of the aforementioned novel dye salts.