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 6706891 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2004

Filed:

Nov. 02, 2001
Applicant:
Inventors:

James Allen Ponasik, Jr., Blountville, TN (US);

Leslie Shane Moody, Johnson City, TN (US);

Peter Borden Mackenzie, Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract

Processes for the preparation of 4,5-bisimino-[1,3]dithiolanes and 2,3-bisimino-[1,4]dithianes are described. The processes involve conversion of an oxalamide to a dithiooxalamide, followed by conversion of the dithiooxalamide to either a 4,5-bisimino-[1,3]dithiolane or a 2,3-bisimino-[1,4]dithiane.


Find Patent Forward Citations

Ponasik, Jr., James. (2004). Process for the preparation of ligands for olefin polymerization catalysts (U.S. Patent No. 6706891). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6706891

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

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