Patents Examined by P. Datlow
  • Patent number: 5250537
    Abstract: 5,6,7,8,9,10-Hexahydro-7,10-iminocyclohept[b]indole, 6,7,8,9,10,11-hexahydro-7,11-imino-5H-cyclooct[b]indole and substituted derivatives are effective in the treatment of psychoses with limited liability to produce concomitant adverse extrapyramidal symptoms. These compounds are also useful for treating other central nervous system and cardiovascular disorders.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: October 5, 1993
    Assignee: Scios Nova Inc.
    Inventors: Richard E. Mewshaw, Carl Kaiser, Mary E. Abreu
  • Patent number: 4996216
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the general formulae Ia and Ib ##STR1## where A is an unsubstituted or substituted heteroaromatic radical having 6 ring members and 1, 2 or 3 nitrogen atoms in the ring, R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, Q.sub.a is an unsubstituted or substituted azole radical and Q.sub.b is a substituted or unsubstituted heteroaromatic radical which has a five-membered ring,and their use for combating pests.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: February 26, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 4983617
    Abstract: The invention concerns a new stable crystal form of anhydrous, crystalline 1,4-dihydro-2-(imidazol-1-ylmethyl)-6-methyl-4-(3-nitrophenyl)pyridine)-3, 5-dicarboxylic acid 3-ethyl 5-methyl diester hydrochloride, "having a melting point greater than about 215.degree. C., an infra red spectrum (nujolmull) having sharp peaks at 3195 cm.sup.-1, 3100 cm.sup.-1, 2735 cm.sup.-1 and 2625 cm.sup.-1 and an x-ray powder diffraction pattern with specific peaks occurring at 2.theta.=12.3.degree. and 44.5.degree..
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: January 8, 1991
    Assignee: John Wyeth and Brothers Limited
    Inventors: Gerald Bradley, Geoffrey P. R. Carr, Albert Opalko, Richard J. Yarwood