Patents Represented by Attorney William J. Stein

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  • Androst-4-en-19-ols
    Patent number: 4239681
    Abstract: Derivatives of androst-4-en-19-ol are useful for enhancing libido and related psychic attitudes.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: December 16, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Joyce F. Grunwell, Vladimir Petrow
  • Cephalosporin derivatives
    Patent number: 4236002
    Abstract: New 7-[4-hydroxy-3-(substituted methyl)phenyl]acetamido cephalosporin derivatives are prepared which are useful as antibiotics.
    Type: Grant
    Filed: December 23, 1977
    Date of Patent: November 25, 1980
    Assignee: Yeda Research & Development Co., Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • 7-(2,3-Dihydrobenzo-5-furanyl)-acetamido cephalosporin derivatives
    Patent number: 4229575
    Abstract: This invention is directed to new 7-(2,3-dihydrobenzo-5-furanyl)acetamido cephalosporin derivatives and methods for preparing them.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: October 21, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Ekkehard H. Bohme
  • Indole cephalosporin derivatives
    Patent number: 4229574
    Abstract: New indole derivatives of cephalosporin compounds have been prepared which are useful as antibiotics.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: October 21, 1980
    Assignee: Yeda Research and Development Co., Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • 7-[[Amino(1,3-dihydrobenzo[c]thienyl)acetyl]amino]cephalosporin derivatives
    Patent number: 4219648
    Abstract: This invention is directed to new 7-[[amino(1,3-dihydrobenzo[c]thien-5-yl)acetyl]amino]cephalosporin derivatives useful as antibiotics.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: August 26, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Michael L. Edwards
  • Antihypertensive compositions of N-(2,6-dichlorophenyl)-4,5-dihydro-1H-imidazol-2-amine and N-(2-chloroethyl)-N-(1-methyl-2-phenoxyethyl)-benzenemethanamine
    Patent number: 4215130
    Abstract: Therapeutic antihypertensive compositions containing N-(2,6-dichlorophenyl)-4,5-dihydro-1H-imidazol-2-amine and N-(2-chloroethyl)-N-(1-methyl-2-phenoxyethyl)benzenemethanamine or their non-toxic, pharmaceutically acceptable salts are described as well as a method of reducing blood pressure in mammals.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: July 29, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Albert Sjoerdsma
  • 7-(1,3-Dithiolan-2-imino)-.DELTA..sup.2 -cephalosporanic acid derivatives
    Patent number: 4208516
    Abstract: Novel 7-(1,3-dithiolan-2-imino)-.DELTA..sup.2 -cephalosporanic acid derivatives are described which possess useful antibacterial properties.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: June 17, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Boyd L. Harrison, Joseph E. Dolfini
  • 6-(1,3-Dithiolan-2-imino)penicillanic acid derivatives
    Patent number: 4206119
    Abstract: Novel 6-(1,3-dithiolan-2-imino)penicillanic acid derivatives are described which are particularly useful for their antibacterial properties.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: June 3, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Boyd L. Harrison, Joseph E. Dolfini
  • 5-[2-[(2,3-Dihydro-1,4-benzodioxan-2-ylmethyl)amino]-1-hydrox yethyl]-2-hydroxybenzoic acid derivatives
    Patent number: 4206125
    Abstract: Derivatives of 5-[2-[(2,3-dihydro-1,4-benzodioxan-2-ylmethyl)amino]-1-hydroxyethyl]-2-hyd roxybenzoic acid are prepared which are useful for their blocking action on .alpha. and .beta.-adrenergic receptors. In addition, these compounds are useful as antihypertensive agents.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: June 3, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: J. Martin Grisar
  • 7-(1,3-Dithiolan-2-imino)cephalosporanic acid derivatives
    Patent number: 4206305
    Abstract: Novel 7-(1,3-dithiolan-2-imino)cephalosporin derivatives are described which are particularly useful for their antibacterial properties.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: June 3, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Boyd L. Harrison, Joseph E. Dolfini
  • 2-Hydro xy-5-[1-hydroxy-2-[4-(2-oxo-1-benzimidazolinyl)piperidino]ethyl]benzoic acid derivatives
    Patent number: 4200755
    Abstract: Derivatives of 2-hydroxy-5-[1-hydroxy-2-[4-(2-oxo-1-benzimidazolinyl)piperidino]ethyl]ben zoic acid are prepared which are useful for their blocking action on .alpha. and .beta.-adrenergic receptors. In addition, these compounds are useful for their spasmolytic and anti-hypertensive activity.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: April 29, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: J. Martin Grisar, George P. Claxton
  • Penicillin derivatives
    Patent number: 4197240
    Abstract: New 7-[4-hydroxy-3-(substitutedmethyl)phenyl]acetamido penicillin derivatives are prepared which are useful as antibiotics.
    Type: Grant
    Filed: December 23, 1977
    Date of Patent: April 8, 1980
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • Process for preparing 2-(2,2-dicyclohexylethyl)piperidine
    Patent number: 4191828
    Abstract: 2-(2,2-Dicyclohexylethyl)piperidine is prepared via the catalytic hydrogenation of 2-(2,2-diphenylethenyl)pyridine in a single step. High yields are obtained using a rhodium supported catalyst.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: March 4, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Stephen W. Horgan, Frank P. Palopoli, David L. Wenstrup
  • Antihypertensive compositions of 2-[1-(2,6-dichlorophenoxy)ethyl]-4,5-dihydro-1H-imidazole and N-(2-chloroethyl)-N-(1-methyl-2-phenoxy-ethyl)benzenemethanamine
    Patent number: 4189492
    Abstract: Therapeutic antihypertensive compositions containing 2-[1-(2,6-dichlorophenoxy)ethyl]-4,5-dihydro-1H-imidazole and N-(2-chloroethyl)-N-(1-methyl-2-phenoxyethyl)benzenemethanamine or their non-toxic, pharmaceutically acceptable salts are described as well as a method of reducing blood pressure in mammals.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: February 19, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Albert Sjoerdsma
  • Coated 1-(2-chlorodibenzo[b,f]oxepin-10-yl)-4-methylpiperazine compositions
    Patent number: 4180559
    Abstract: A coated 1-(2-chlorodibenzo[b,f]oxepin-10-yl)-4-methylpiperazine composition, suitable for pharmaceutical use.
    Type: Grant
    Filed: December 1, 1978
    Date of Patent: December 25, 1979
    Assignee: Richardson-Merrell Inc.
    Inventor: Harold E. Huber
  • 7-[(Substituted-isothioureamethyl)phenyl]-acetamidocephalosporin derivatives
    Patent number: 4180661
    Abstract: Novel cephalosporin derivatives of the following formula are useful as antibacterial agents: ##STR1##
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: December 25, 1979
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Fortuna Haviv, Abraham Nudelman, Abraham Patchornik
  • 7-[(Substituted-thiomethyl)phenyl]acetamidocephalosporin derivatives
    Patent number: 4172942
    Abstract: Novel compounds of the formula ##STR1## are useful as antibiotics.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: October 30, 1979
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • 7-[2-[.omega.-(1,3-Dit hiolan-2-imino)substituted]-acetylamino]cephalosporanic acid derivatives
    Patent number: 4172941
    Abstract: Novel 7-[2-[.omega.-(1,3-dithiolan-2-imino)substituted]-acetylamino]cephalospora nic acid derivatives are described having useful antibacterial activity.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: October 30, 1979
    Assignee: Richardson-Merrell Inc.
    Inventors: Boyd L. Harrison, Joseph E. Dolfini
  • 2,7-Bis-basic ethers of 9-phenanthrol and 9-loweralkoxy phenanthrol
    Patent number: 4169897
    Abstract: Novel bis-basic ethers of 9-substituted phenanthrene and related 10-oxa and 10-aza derivatives, their method of preparation and their use as pharmaceutical agents for the prevention and inhibition of viral infections are disclosed.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: October 2, 1979
    Assignee: Richardson-Merrell Inc.
    Inventors: Donald R. Meyer, Arthur D. Sill, Paul L. Tiernan
  • 19-Oxygenated-androst-5-enes for the enhancement of libido
    Patent number: 4139617
    Abstract: The present invention concerns derivatives of 19-oxygenated-androst-5-enes which are useful in the enhancement of libido and related psychic attitudes.
    Type: Grant
    Filed: February 7, 1977
    Date of Patent: February 13, 1979
    Assignee: Richardson-Merrell Inc.
    Inventors: Joyce F. Grunwell, Vladimir Petrow