Patents Represented by Attorney Frederick H. Weinfeldt

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  • Anthranilic acid amides
    Patent number: 4060638
    Abstract: Derivatives of trifluoromethyl-substituted anthranilic acid amides, e.g., N-methyl-o-amino-.alpha.,.alpha.,.alpha.-trifluoromethyl-p-toluamide, are useful as minor tranquilizers and muscle relaxants.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: November 29, 1977
    Assignee: Sandoz, Inc.
    Inventor: Paul L. Anderson
  • Benzindazoles
    Patent number: 4042704
    Abstract: The compounds are benz[f]indazoles, e.g., 3-(p-chlorophenyl)-1-methylbenz[f]indazole, and are useful as fertility control agents.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: August 16, 1977
    Assignee: Sandoz, Inc.
    Inventor: Robert V. Coombs
  • 2-Alkyl-5-phenethyl-4-oxazolecarboxylic acids and derivatives
    Patent number: 4042596
    Abstract: 2-Alkyl-5-phenethyl-4-oxazolecarboxylic acids, esters and carbonyl halides are disclosed, which are useful as intermediates in the preparation of known benzocycloheptaoxazoles.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: August 16, 1977
    Assignee: Sandoz, Inc.
    Inventor: William G. Salmond
  • 4-ALKYL-4-NAPHTHYL-BUTANES
    Patent number: 4035406
    Abstract: The compounds are 4-naphthyl-4-lower alkyl substituted-2-oxygenated-2-butenes, or butanes; the naphthyl position may be unsubstituted or 6-substituted, e.g., 2-(6-methoxynaphthyl)-2-penten-4-ol, and are useful as pharmaceuticals.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: July 12, 1977
    Assignee: Sandoz, Inc.
    Inventors: Paul L. Anderson, Darryl A. Brittain
  • Anti-inflammatory 1-phenyl-2,3-butadien-1-ols, methods of use and compositions containing same
    Patent number: 4032580
    Abstract: Disclosed are compounds of the class 1-phenyl-2,3-butadien-1-ol e.g. 2-(p-biphenyl)-3,4-pentadien-2-ol, which are useful by reason of their pharmacological activity in animals, e.g., as anti-inflammatory agents and tranquilizers. Said compounds can be prepared, e.g., by reduction of a corresponding 4-substituted-1-phenyl-2-butyne-1-ol with a complex hydride such as lithium aluminum hydride.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: June 28, 1977
    Assignee: Sandoz, Inc.
    Inventor: Eugene E. Galantay
  • Phenoxyphenyl imidazolyl methanols and ketone derivatives thereof
    Patent number: 4031233
    Abstract: Imidazolyl-phenoxyphenyl-carbinols and ketones, e.g., .alpha.-(p-phenoxyphenyl)-1-methyl-2-imidazolylmethanol and p-phenoxyphenyl 1-methyl-2-imidazolyl ketone, are useful as hypolipidemic agents. The ketones are obtainable by oxidation of corresponding imidazolyl-phenoxyphenyl-carbinols.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: June 21, 1977
    Assignee: Sandoz, Inc.
    Inventor: Faizulla G. Kathawala
  • Preparation of aryl-butadienoic acids
    Patent number: 4024182
    Abstract: Aryl-butadienoic acids, e.g., 4-(p-tetradecyloxyphenyl)-2-methyl-buta-2,3-dienoic acid, are prepared by a process comprising converting an acyl halide of an aryl lower alkanoic acid to its corresponding .beta.,.beta.,.beta.-trichloroethyl ester of the desired aryl-butadienoic acid which is then treated with zinc to obtain the corresponding free arylbutadienoic acid.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: May 17, 1977
    Assignee: Sandoz, Inc.
    Inventor: Faizulla G. Kathawala
  • Phenoxyphenyl pyridyl compounds
    Patent number: 4011232
    Abstract: Phenoxyphenyl pyridyl carbinols and ketones, e.g., p-[4'-(2,2-dimethylpropyl)-phenoxy]-phenyl-(4-pyridyl)-carbinol, are useful as pharmaceutical agents. The ketones are obtainable by oxidation of corresponding phenoxyphenyl pyridyl carbinols.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: March 8, 1977
    Assignee: Sandoz, Inc.
    Inventor: Faizulla G. Kathawala
  • Hypolipidemic allene carboxylic acids
    Patent number: 4011339
    Abstract: The compounds are 4-aryl substituted buta-2,3-dienoic acids and esters thereof which may also be lower alkyl-substituted at any of the 2- and 4-positions, e.g., 4-(p-methoxyphenyl)-2-methyl-buta-2,3-dienoic acid. The compounds are useful as pharmaceuticals, e.g., as anti-inflammatory agents and hypolipidemic agents.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: March 8, 1977
    Assignee: Sandoz, Inc.
    Inventors: Eugene E. Galantay, Faizulla G. Kathawala
  • Tolyloxypivalophenone derivatives
    Patent number: 4008327
    Abstract: The compounds are cyclic acetals of 4'-(.alpha.-hydroxy-.alpha.-alkyl-p-tolyloxy)pivalophenones, e.g., ethylene glycol acetal of 4'-(.alpha.-hydroxy-.alpha.-heptadecyl-p-tolyloxy)pivalophenone, and are useful as anti-diabetic agents.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: February 15, 1977
    Assignee: Sandoz, Inc.
    Inventor: Faizulla G. Kathawala
  • Antihypertensive aryl pyrazolo[4,3-c]pyridazinones
    Patent number: 4004009
    Abstract: The compounds are aryl-pyridazinone derivatives, e.g., 1-methyl-5-(2'-fluoro-5'-trifluoromethylphenyl)-1H-pyrazolo [4,3-c]pyridazin-6(5H)-one. They are useful as antihypertensives and are prepared by treating a hydrazinopyridazinone with a dialkylamino dialkyl-acetal.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: January 18, 1977
    Assignee: Sandoz, Inc.
    Inventor: Paul L. Anderson
  • 9-.alpha.-methyl-steroids
    Patent number: 3997574
    Abstract: The compounds are 13-(lower)alkyl-9.alpha.-methyl-17.alpha.-propadienylgona-4-en-17.beta.-ol -3-ones and derivatives thereof, e.g. 9.alpha.-methyl-17.alpha.-propadienylestra-17.beta.-ol-3-one, and are useful as progestational agents.
    Type: Grant
    Filed: September 5, 1974
    Date of Patent: December 14, 1976
    Assignee: Sandoz, Inc.
    Inventors: Robert V. Coombs, Eugene E. Galantay
  • Substituted carbinol derivatives
    Patent number: 3997664
    Abstract: The compounds are steroidal 17-propadienyl carbinols and derivatives thereof. The compounds have estrogenic/progestational activity.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: December 14, 1976
    Assignee: Sandoz, Inc.
    Inventors: Eugene E. Galantay, Dietmar A. Habeck
  • Preparation of substituted oxazoles
    Patent number: 3994915
    Abstract: Benzocycloheptaoxazolones are prepared by a multi-step process starting with a lower alkyl ester of a 3-oxo-5-phenylvaleric acid. The compounds are useful as anti-inflammatories and as intermediates in the preparation of pharmaceutically useful compounds.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: November 30, 1976
    Assignee: Sandoz, Inc.
    Inventor: William G. Salmond
  • Pyridine containing phenoxypivalophenone derivatives
    Patent number: 3985883
    Abstract: The compounds are cyclic acetals of 4'-(.alpha.-hydroxy-.alpha.-pyridyl-p-tolyloxy)pivalophenones, and are useful as anti-obesity agents.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: October 12, 1976
    Assignee: Sandoz, Inc.
    Inventor: Faizulla G. Kathawala
  • 3-Alkylsulfinyl-2-indolinones and their pharmaceutical compositions and use
    Patent number: 3983242
    Abstract: 3-Alkylsulfinyl-2-indolinones, of the formula ##SPC1##E.g., 3-methylsulfinyl-5-trifluoromethyl-2-indolinone, are useful as minor tranquillizers, muscle relaxants and sedative-hypnotics and are obtainable by oxidizing corresponding 3-alkylthio-2-indolinones.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: September 28, 1976
    Assignee: Sandoz, Inc.
    Inventors: Goetz E. Hardtmann, Thomas E. Jackson
  • 17.beta.-SUBSTITUTED-ALLENE-BEARING STEROIDS
    Patent number: 3978048
    Abstract: Steroidal compounds of the invention bear a 17.beta.-oxygenated group and a 17.alpha.-.PSI.-alkyl substituted allene group, e.g., 17.alpha.-(penta-1'-2'-dienyl)-estra-4,9-dien-17.beta.-ol-3-one, and are prepared by a procedure, e.g., involving reacting a corresponding intermediate bearing a 17.alpha.-(3'-dialkylamino-3'-alkyl-substituted-1'-propynyl)-group with a complex hydride. The steroidal compounds are useful as pharmaceuticals, e.g., as progestational agents.
    Type: Grant
    Filed: February 25, 1975
    Date of Patent: August 31, 1976
    Assignee: Sandoz, Inc.
    Inventor: Imre Bacso
  • 1-(2-Naphthyl)-2,3-butadien-1-ols
    Patent number: 3969415
    Abstract: Disclosed are compounds of the class 1-naphthyl-2,3-butadien-1-ol e.g. 2-(6'-methoxy-2-naphthyl)-3,4-pentadien-2-ol, which are useful by reason of their pharmacological activity in animals, e.g. as anti-inflammatory agents. Said compounds can be readily prepared by reduction of a corresponding 4-substituted-1-naphthyl-2-butyne-1-ol with a complex hydride such as lithium aluminium hydride.
    Type: Grant
    Filed: October 1, 1973
    Date of Patent: July 13, 1976
    Assignee: Sandoz, Inc.
    Inventor: Eugene E. Galantay
  • Substituted carbinol derivatives
    Patent number: 3961053
    Abstract: 13-alkyl-17.alpha. -propadienylgona-4,9-dien-17.beta. -ol-3-ones and their 17.beta. -oxygenated derivatives are useful in control of fertility and estrus or the menstrual cycle in warm blooded animals.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: June 1, 1976
    Assignee: Sandoz, Inc.
    Inventors: Eugene E. Galantay, Dietmar A. Habeck
  • Preparation of primary amines
    Patent number: 3959379
    Abstract: Primary aliphatic amines are prepared by reacting a corresponding aliphatic oxime with hydrazine in the presence of Raney nickel.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: May 25, 1976
    Assignee: Sandoz, Inc.
    Inventor: Pius Ottiger