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. 25, 2008
Filed:
Apr. 13, 2005
Applicants:
Joseph P. Bridges, Corpus Christi, TX (US);
Solon B. Williams, Kingwood, TX (US);
Byron B. Unterbrink, Corpus Christi, TX (US);
Inventors:
Joseph P. Bridges, Corpus Christi, TX (US);
Solon B. Williams, Kingwood, TX (US);
Byron B. Unterbrink, Corpus Christi, TX (US);
Assignee:
Equistar Chemicals, LP, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/07 (2006.01); C07C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method for the solvent extraction of butadiene from a mixture of hydrocarbons having four carbon atoms per molecule, which method inherently produces tars, the extraction process is operated with a tar loading level, relative to the solvent employed, of no more than about 1.6 wt. %.
Bridges, Joseph. (2008). Solvent extraction (U.S. Patent No. 7348466). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7348466
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile