Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Recombinant or stably-transformed bacterium encoding one or...
Patent
1981-06-05
1982-06-08
Trousof, Natalie
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Recombinant or stably-transformed bacterium encoding one or...
424331, 560 22, 560 29, 560 31, 560 32, 560134, 560139, 560 33, 560 65, 560 73, 560115, 260465D, 568306, 568315, 568327, A01N 4710, C07C12504, C07C125067
Patent
active
043339492
ABSTRACT:
2,3-Dichloro-7-hydroxy-1H-inden-1-one derivatives of the formula I ##STR1## wherein R.sub.1 is hydrogen or one of the groups ##STR2## R.sub.2 and R.sub.3 independently of one another are each hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl, trifluoromethyl or nitro,
REFERENCES:
patent: 2870057 (1959-01-01), Hartle et al.
patent: 3084906 (1963-04-01), Lambrech
patent: 3597472 (1971-08-01), Heiss
patent: 3712915 (1973-01-01), Seyberlich et al.
patent: 4107324 (1978-08-01), Grotkopp et al.
patent: 4228181 (1980-10-01), Grotkopp et al.
Bergmann, J.A.C.S., vol. 81, pp. 5641-5643 (1959).
Nyfeler Robert
Sturm Elmar
Ciba-Geigy Corporation
Pepper Frederick W.
Rabin Frederick H.
Trousof Natalie
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