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:
Feb. 16, 1999
Filed:
Aug. 12, 1997
Applicant:
Inventors:
Michel Chartrain, Westfield, NJ (US);
Barbara A Jackey, Bloomfield, NJ (US);
Brian Heimbuch, North Burnswick, NJ (US);
Colleen S Taylor, Folsom, CA (US);
Assignee:
Merck & Co., Inc., Rahway, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; B01D / ; C07C / ;
U.S. Cl.
CPC ...
435155 ; 4352522 ; 585812 ; 210660 ;
Abstract
A method for preparing (1S)-amino-(2R)-indandiol substantially free of its stereoisomers is presented. The method comprises culturing indene with Rhodococcus sp. ATCC 55805, recovering the indandiol and subjecting the indandiol to chiral specific crystallization, treatment with strong acid and reverse ion pair extraction.