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1. (WO1991005594) SEPARATION OF MIXTURES BY TWO-PHASE SYSTEMS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/005594 International Application No.: PCT/US1990/005639
Publication Date: 02.05.1991 International Filing Date: 09.10.1990
Chapter 2 Demand Filed: 10.05.1991
IPC:
C07C 227/34 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
227
Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
30
Preparation of optical isomers
34
by separation of optical isomers
Applicants:
LEHIGH UNIVERSITY [US/US]; 526 Brodhead Avenue Bethlehem, PA 18075, US
Inventors:
HSU, James, T.; US
Agent:
KUESTERS, Eckhard, H. ; Oblon, Spivak, McClelland, Maier & Neustadt Fourth Floor 1755 South Jefferson Davis Highway Arlington, VA 22202, US
Priority Data:
423,33318.10.1989US
Not furnished02.10.1990US
Title (EN) SEPARATION OF MIXTURES BY TWO-PHASE SYSTEMS
(FR) SEPARATION DE MELANGES A L'AIDE DE SYSTEMES A DEUX PHASES
Abstract:
(EN) An organic two-phase system useful for the separation and purification of chemicals, biochemicals and optical isomers. The two-phase system can be formed with water soluble polymers as one phase, and chiral compound as the other phase together with a water-miscible organic solvent and/or water.
(FR) Système organique à deux phases utile pour la séparation et la purification de substances chimiques, de substances biochimiques et d'isomères optiques. On peut former le système à deux phases à l'aide de polymères solubles dans l'eau constituant une phase, et d'un composé chiral constituant l'autre phase, ainsi que d'un solvant organique miscible dans l'eau et/ou d'eau.
Designated States: AU, CA, JP, KR, SU
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0495903AU1990066264