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:
Dec. 15, 1981
Filed:
Mar. 14, 1980
Applicant:
Inventor:
James L Baird, Winchester, MA (US);
Assignee:
Artisan Industries, Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C10G / ;
U.S. Cl.
CPC ...
422111 ; 196 1452 ; 210139 ; 210511 ; 210521 ; 422116 ; 422257 ;
Abstract
A liquid-liquid extraction apparatus, which apparatus comprises a liquid-liquid extraction column with timing controls for sequentially pulsing the light and heavy phases and controlling the operation of the valves which introduce into the withdraw from the column the liquid phases, based on the percent of phase-volume changes occurring in the liquid-liquid extraction in the column.
Baird, James. (1981). Liquid-liquid extraction apparatus (U.S. Patent No. 4305907). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4305907
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile