Abrasive tool making process – material – or composition
Patent
1995-11-30
1998-07-28
Reselev, Elli
Abrasive tool making process, material, or composition
536 72, 536 73, 536 74, A61K 3170, C07H 1708
Patent
active
057863393
ABSTRACT:
A compound selected from the group consisting of a compound of the formula ##STR1## wherein R and R.sub.1 are --OH or --O-acyl of an organic carboxylic acid of 2 to 20 carbon atoms, R.sub.2 is hydrogen or methyl, R.sub.3 is --(CH.sub.2).sub.m --R.sub.4 or ##STR2## or --N--(CH.sub.2).sub.q --R.sub.4, m is an integer from 1 to 6, n, p and q are individually an integer from 0 to 6, A and B are individually selected from the group consisting of hydrogen, halogen and alkyl of 1 to 8 carbon atoms with the geometry of the double bond being E or Z or a mixture of E and Z or A and B form a triple bond, R.sub.4 is an optionally substituted mono- or polycyclic heterocycle and their non-toxic, pharmaceutically acceptable acid addition salts having antibiotic properties.
REFERENCES:
patent: 5527780 (1996-06-01), Agouridas et al.
patent: 5543900 (1996-08-01), Agouridas et al.
Agouridas Constantin
Chantot Jean-Fran.cedilla.ois
Reselev Elli
Roussel Uclaf
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