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.:

US 6620858 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 16, 2003

Filed:

Aug. 01, 2001
Applicant:
Inventors:

Michael John Cyr, Kingsport, TN (US);

Max Allen Weaver, Kingsport, TN (US);

Gerry Foust Rhodes, Piney Flats, TN (US);

Jason Clay Pearson, Kingsport, TN (US);

Phillip Michael Cook, Kingsport, TN (US);

Jos Simon De Wit, Kingsport, TN (US);

Larry Keith Johnson, Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/46 ; C08F / ; C07C / ; C07C / ; C07C / ; C09B 6/200 ;
U.S. Cl.
CPC ...
C08F 2/46 ; C08F / ; C07C / ; C07C / ; C07C / ; C09B 6/200 ;
Abstract

Disclosed are thermally-stable, colored, photopolymerizable compounds containing a vinyl group which are capable of being copolymerized with reactive vinyl monomers to produce colored compositions such as polyacrylates, polymethacrylates, polystyrene, etc. The compounds exhibit good thermal stability, fastness (stability) to UV-light, good solubility in the reactive monomers and good color strength.


Find Patent Forward Citations

Cyr, Michael. (2003). Colorants containing copolymerizable vinyl groups and sulfonamide linkages (U.S. Patent No. 6620858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6620858

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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