Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-06-23
1994-10-18
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253262, 5253267, 5253285, 5253303, 5253304, 5253305, 526194, 526199, 5262381, 526243, 526258, 526288, 526304, 526305, 210656, 210660, 436 8, 436106, 436119, 536122, C08F 834, C08F 2058, C08F 2060, C08F 2800
Patent
active
053570014
ABSTRACT:
The invention relates to new optically active amino acid derivatives of the general formula (I) ##STR1## in which n, R, R.sub.1, R.sub.2, R.sub.3, X and A have the meaning given in the description, which amino acid derivatives contain sulphoxide or sulphone groups, to two basic synthetic routes for the preparation from sulphur-containing amino acids, to the polymerization of these monomers and to the use of the polymers as optically active adsorbents for chromatographic resolution of racemates to give the enantiomers.
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patent: 4914159 (1990-04-01), Bomer et al.
patent: 4937000 (1990-06-01), Bomer et al.
patent: 5274167 (1993-12-01), Lange et al.
Arlt Dieter
Bomer Bruno
Grosse-Bley Michael
Grosser Rolf
Hoever Franz-Peter
Bayer Aktiengesellschaft
Michl Paul R.
Yoon Tae H.
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