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:
Mar. 07, 1995
Filed:
Jun. 07, 1993
Applicant:
Inventors:
Giuseppe Raspanti, Bergamo, IT;
Marco Brena, Bergamo, IT;
Assignee:
3V Inc., Weehawken, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
G07C / ;
U.S. Cl.
CPC ...
564159 ; 564153 ; 564157 ; 564158 ; 564192 ; 8586 ; 8606 ;
Abstract
Polyquaternary compounds, a process for the preparation thereof and the use thereof as adjuvants to improve the washing fastness of cellulose fabrics or fibres dyed with direct or reactive dyes.