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. 17, 2015
Filed:
Nov. 24, 2011
Applicants:
Roxana Barbieru, Singapore, SG;
Vajiravelu Sivamurugan, Singapore, SG;
Inventors:
Roxana Barbieru, Singapore, SG;
Vajiravelu Sivamurugan, Singapore, SG;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 31/12 (2006.01); C09B 33/06 (2006.01); D06P 5/30 (2006.01); D06P 1/02 (2006.01); D06P 1/04 (2006.01); D06P 1/06 (2006.01); C09B 31/02 (2006.01); D06P 1/39 (2006.01);
U.S. Cl.
CPC ...
C09B 31/025 (2013.01); D06P 5/30 (2013.01); D06P 1/39 (2013.01); C09B 33/06 (2013.01); Y10S 8/917 (2013.01); Y10S 8/918 (2013.01); Y10S 8/919 (2013.01); Y10S 8/924 (2013.01); Y10S 8/926 (2013.01);
Abstract
The present invention relates to dyes of the formula (I) in which Rto R, Dand Dare defined as given in claim, a process for preparing them, and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
Barbieru, Roxana. (2015). Metal free acid dyes, methods for the production thereof and their use (U.S. Patent No. 8979947). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8979947
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile