Patents by Inventor Ransom Brown Conrow

Ransom Brown Conrow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dicarboxyphenyl substituted bis-sulfonylimino dibenzodithiazepine tetroxides
    Patent number: 4122088
    Abstract: Dicarboxyphenyl substituted bis-sulfonyliminodibenzodithiazepine-S,S,S',S'-tetroxide, alkali metal salts, useful as complement inhibitors, and a dicarboxyphenyl substituted bis-sulfonyliminodibenzodithiazepine,S,S,S',S'-tetroxides, 2-methoxyethyl ester that is an intermediate for the preparation of the active salts.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: October 24, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Sulfo-m-phenylenebis(sulfonylimino)diisophthalic acid salts
    Patent number: 4120894
    Abstract: Sulfo-m-phenylenebis(sulfonylimino)diisophthalic acid salts useful as complement inhibitors.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: October 17, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • S-Phenenyltris(sulfonylimino)tri-anionic substituted benzene dicarboxylic acids and substituted alkyl amino acids and their salts
    Patent number: 4120896
    Abstract: s-Phenenyltris(sulfonylimino)tri-anionic substituted benzene dicarboxylic acids and substituted alkyl amino acids and their salts, useful as complement inhibitors.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: October 17, 1978
    Assignee: America Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • S-phenenyltris (iminocarbonyl) triisophthalic acid salts
    Patent number: 4120895
    Abstract: s-Phenenyltris(iminocarbonyl)triisophthalic acid salts useful as complement inhibitors.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: October 17, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, John Frank Poletto, Seymour Bernstein
  • Anionic naphthalene thioureido naphthalene sulfonic acids
    Patent number: 4120892
    Abstract: Anionic substituted naphthylenebis-thioureylene di-1,3,6-naphthalenetrisulfonic acids, useful as complement inhibitors, and the process for their preparation.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: October 17, 1978
    Assignee: American Cyanamid Company
    Inventors: John Frank Poletto, Ransom Brown Conrow, Seymour Bernstein
  • Anionic naphthalene thioureido toluenesulfonic acids
    Patent number: 4120893
    Abstract: Anionic substituted naphthalene bis-thioureido toluenesulfonic acids, useful as complement inhibitors, and the process for their preparation.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: October 17, 1978
    Assignee: American Cyanamid Company
    Inventors: John Frank Poletto, Ransom Brown Conrow, Seymour Bernstein
  • Anionic substituted sulfonamido biphenyls
    Patent number: 4119784
    Abstract: Biphenyltetrayltetrakis(sulfonylimino)tetrabenzene dicarboxyic acid alkali metal salts, useful as complement inhibitors, and a biphenyltetrayltetrakis(sulfonylimino)tetrabenzene dicarboxylic acid octakis methoxyethyl ester that is a new intermediate for the preparation of the active salts.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: October 10, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • 5-Phenenyltris (ureylene) triisophthalic acid salts
    Patent number: 4118418
    Abstract: s-Phenenyltris(ureylene)triisophthalic acid salts useful as complement inhibitors.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: October 3, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Anionic benzene tetrakis carbonylimino isophthalic acid salts
    Patent number: 4118585
    Abstract: Anionic substituted benzenetetrayltetrakis-(carbonylimino)tetraisophthalic acid salts, useful as complement inhibitors, and a methoxyethyl substituted benzenetetrayltetrakis(carbonylimino)tetraisophthalic acid ester that is a new intermediate for the preparation of the active salts.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: October 3, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Substituted aromatic naphthalene sulfonamides
    Patent number: 4117003
    Abstract: Substituted benzenesulfonic acid salts and amides of naphthalenetrisulfonamides and salts thereof useful as complement inhibitors, as well as triphenyl and hexaphenyl esters of substituted benzenesulfonic acid-naphthalenetrisulfonanilides which are new intermediates for the preparation of the active naphthalenetrisulfonamides and the process for their preparation.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: September 26, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Nitro or amino phenylenebis(carbonylimino)dinaphthalenetrisulfonic compounds as complement inhibitors
    Patent number: 4108890
    Abstract: m-Phenylenebis(carbonylimino)dinaphthalenetrisulfonic acids and salts useful as complement inhibitors.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: August 22, 1978
    Assignee: American Cyanamid Company
    Inventors: Seymour Bernstein, Robert Herman Lenhard, Ransom Brown Conrow
  • S-Phenenyltris(thioureylene)trinaphthalenetrisulfonic acid salts
    Patent number: 4107201
    Abstract: s-Phenenyltris(thioureylene)trinaphthalenetrisulfonic acid salts useful as complement inhibitors.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: August 15, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Substituted 4,4'-biphenylylene bis(2-thioureylene)di-naphthalenetrisulfonic acids and salts thereof
    Patent number: 4107202
    Abstract: 4,4'-biphenylylene bis(2-thioureylene)di-naphthalenetrisulfonic acids and their salts which are useful as inhibitors of the complement system of warm-blooded animals, and the 8-isothiocyanato-1,3,6-naphthalenetrisulfonic acids and their salts which are new intermediates for the preparation of the active compounds.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: August 15, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Substituted phenyl naphthalenesulfonic acids
    Patent number: 4102917
    Abstract: Trinaphthalene trisulfonic acid and mono naphthalene trisulfonic acid-dibenzene dicarboxylic acid salts of di(carbonylimino) and mono(thioureido) trisubstituted phenyl compounds useful as complement inhibitors.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: July 25, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Anionic naphthalene thioureido-diphenyloxides
    Patent number: 4096174
    Abstract: Oxybis-phenylbis-thioureylene tetranaphthalenepoly-sulfonic acid salts, useful as complement inhibitors, and the process for their preparation.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: June 20, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • 5-Carboxy-phenylenebis(carbonylimino)benzene carboxylic and dicarboxylic acids and salts
    Patent number: 4089974
    Abstract: 5-Carboxy-phenylenebis(carbonylimino)benzene carboxylic and dicarboxylic acids and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: May 16, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, John Frank Poletto, Seymour Bernstein
  • 1,3,5- Or 1,3,6-naphthalenetriyltris(sulfonylimino)aryl acids and salts
    Patent number: 4087613
    Abstract: 1,3,5- or 1,3,6-naphthalenetriyltris(sulfonylimino)aryl acids and salts, useful as complement inhibitors, and 1,3,5- or 1,3,6-naphthalenetriyltris(sulfonylimino)aryl acid esters which are intermediates, and the method for their preparation.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: May 2, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Disazo compounds useful as complement inhibitors
    Patent number: 4062837
    Abstract: 5,5'-[ureylenebis(1,4-phenyleneazo)]bis[aminonaphthalenedisulfonic acids] and salts useful as complement inhibitors.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: December 13, 1977
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein, Norman Bauman
  • Bis-substituted naphthalene-azo phenyleneazo-stilbene-disulfonic and naphthalene-sulfonic acid
    Patent number: 4061627
    Abstract: Bis-substituted naphthylazo - and phenyleneazo - stilbenedisulfonic and naphthalenesulfonic acid salts useful as complement inhibitors.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: December 6, 1977
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein, Norman Bauman
  • Ureidophenylenebis(carbonylimino)dinaphthalenetrisulfonic acid compounds
    Patent number: 4051176
    Abstract: m-Phenylenebis(carbonylimino)dinaphthalenetrisulfonic acids and salts useful as complement inhibitors.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: September 27, 1977
    Assignee: American Cyanamid Company
    Inventors: Seymour Bernstein, Robert Herman Lenhard, Ransom Brown Conrow