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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 4919904 B1

PDFFull Text
Date of Patent:
Apr. 24, 1990

Filed:

Apr. 11, 1988

Primary hindered aminoacids for promoted acid gas scrubbing process

Applicant:
Inventors:

Larry J Shulik, Somerville, NJ (US);

Guido Sartori, Annandale, NJ (US);

W S Ho, Annandale, NJ (US);

Warren Thaler, Flemington, NJ (US);

George E Milliman, Fanwood, NJ (US);

Assignee:

Exxon Research and Engineering Company, Florham Park, NJ (US);

Attorney:

Hantman; Ronald D.

Primary Examiner:

Robert L Stoll

Assistant Examiner:

Lori F Cuomo

Int. Cl.
CPC ...
C01B / ; C01B / ; C01B / ; C01C / ;
U.S. Cl.
CPC ...
423225 ; 423226 ; 423228 ; 423232 ; 423236 ; 423243 ;
Abstract

Disclosed are primary sterically hindered aminoacids for use as promoters for alkali metal salts in acid gas scrubbing. The primary sterically hindered aminoacid is selected from 1-amino-cyclopentane carboxylic acid and those represented by the formula: ##STR1## where R.sub.1 and R.sub.2 are independently selected from CH.sub.3, C.sub.2 H.sub.5, and C.sub.3 H.sub.7 ; R.sub.3 and R.sub.4 are independently selected from hydrogen and CH.sub.3 ; and n is 0, 2, or 3.

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Shulik, Larry. (1990). Primary hindered aminoacids for promoted acid gas scrubbing process (U.S. Patent No. 4919904). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4919904

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