Carbon Bonded Directly To Ring Nitrogen Of Phenothiazine Ring System Patents (Class 544/38)
Divalent chalcogen double bonded directly to the carbon (Class 544/39)
Nitrogen containing substituent bonded to nitrogen of phenothiazine ring system (Class 544/41)
  • Process for polycyclic amines
    Patent number: 4249003
    Abstract: This invention relates to a new method for the preparation of amines containing alkylene groups by using cyclic alkylene sulphuric esters, and novel intermediates for use in the method.The new method is useful for preparation of i.a. pharmaceuticals. The novel intermediates are useful i.a. as surfactants.
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: February 3, 1981
    Assignee: Aktiebolaget Leo
    Inventor: Edgar Eriksoo
  • Photoinitiators
    Patent number: 4161478
    Abstract: Onium salts of Group VIa elements having an MF.sub.6 -anion, where M is selected from P, As and Sb, have been found to be photo active under ultraviolet light. These onium salts can be employed as cationic photoinitiators when used with a variety of organic resins and cyclic organic compounds.
    Type: Grant
    Filed: September 14, 1977
    Date of Patent: July 17, 1979
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • N.sup.2 -Arylsulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof
    Patent number: 4117127
    Abstract: N.sup.2 -arylsulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof have been found to be effective as pharmaceutical agents for the inhibition and suppression of thrombosis in mammals.
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: September 26, 1978
    Assignees: Mitsubishi Chemical Industries Ltd., Shosuke Okamoto
    Inventors: Shosuke Okamoto, Akiko Hijikata, Ryoji Kikumoto, Yoshikuni Tamao, Kazuo Ohkubo, Tohru Tezuka, Shinji Tonomura
  • Certain pyridyl methanones and pharmaceutical compositions containing same
    Patent number: 4076822
    Abstract: New pyridine compounds of the general formula I ##STR1## wherein R denotes an optionally substituted cycloaliphatic hydrocarbon radical, Ph denotes an ortho-phenylene radical or especially a para-phenylene radical, A denotes a lower alkylene radical or a direct bond, X denotes an optionally functionally modified oxo group and Py denotes a pyridine radical, are useful as fibrinolytics, thrombolytics, antiphlogistics and as mild analgesics.
    Type: Grant
    Filed: April 28, 1976
    Date of Patent: February 28, 1978
    Assignee: Ciba-Geigy Corporation
    Inventors: Georges Haas, Alberto Rossi