Patents by Inventor Seymour Bernstein

Seymour Bernstein 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).

  • Carbalkoxymethyl derivatives of rutin poly(H-)sulfate and method of use
    Patent number: 4342752
    Abstract: Carbalkoxymethyl derivatives of rutin poly(H-)sulfate and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: August 3, 1982
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, John F. Poletto, Seymour Bernstein
  • Carboxyalkyl derivatives of rutin poly(H-)sulfate
    Patent number: 4342753
    Abstract: Carboxyalkyl derivatives of rutin polyl(H-)sulfate and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: August 3, 1982
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, John F. Poletto, Seymour Bernstein
  • Modulators of the complement system
    Patent number: 4337249
    Abstract: N-(4-O-.alpha.-D-glucopyranosyl-.beta.-D-glucopyranosyl)-3,4-dihydroxycinna mamide, nonakis (H-sulfate) (nonaester), nona-alkali metal or alkaline earth metal-salts, useful as modulators of the complement system, the intermediates thereof and the process of making such salts and intermediates.
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: June 29, 1982
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • Rutin poly(H--)sulfate salts and related compounds
    Patent number: 4334058
    Abstract: Rutin poly(H--)sulfate and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: June 8, 1982
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, Seymour Bernstein
  • Process for making s-phenenyltris(sulfonylimino)tri-benzene mono- and di-sulfonic acids and salts
    Patent number: 4318864
    Abstract: Process for making s-phenenyltris(sulfonylimino)tri-benzene mono- and di-sulfonic acids and their salts which are useful as complement inhibitors.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: March 9, 1982
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • D-Erythro-2,3-dihydroxy-1-(and 3-) (1-phenyl-1H-pyrazolo[3,4,-b]quinoxalin-3-yl)propyl-.beta.-D-glucopyrano side (and .alpha.-D-galactopyranoside) poly(H-sulfate) salts
    Patent number: 4304904
    Abstract: D-Erythro-2,3-dihydroxy-1-(and 3-) (1-phenyl-1H-pyrazolo[3,4-b]quinoxalin-3-yl)propyl-.beta.-D-glucopyranosid e (and .alpha.-D-galactopyranoside) poly(H-sulfate)salts useful as complement inhibitors.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: December 8, 1981
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, Seymour Bernstein
  • D-Erythro-2,3-dihydroxy-1-(1-phenyl-1H-pyrazolo(3,4-b)quinoxalin-3-y l)-propyl-4-O-.alpha.-D-glucopyranosyl-alpha-D-glucopyranoside poly(H-sulfate)salts
    Patent number: 4304903
    Abstract: D-Erythro-2,3-dihydroxy-1-[substituted and unsubstituted)-1-phenyl-1H-pyrazolo[3,4-b]quinoxalin-3-yl]propyl-4-O-.alph a.-D-glucopyranosyl-.alpha.-D-glucopyranoside poly(H-sulfate)salts useful as complement inhibitors.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: December 8, 1981
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, Seymour Bernstein
  • Ureide inhibitors of connective tissue destruction
    Patent number: 4297372
    Abstract: Certain ureides of substituted naphtholmonosulfonic acids and salts useful as inhibitors of connective tissue destruction.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: October 27, 1981
    Assignee: American Cyanamid Company
    Inventor: Seymour Bernstein
  • Substituted naphthoic acids
    Patent number: 4291169
    Abstract: Certain ureides of substituted naphthoic acids and salts useful as inhibitors of connective tissue destruction.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: September 22, 1981
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • Halogenated-naphthalenetriyltris(sulfonylimino)-aryl multicarboxylic acids and salts thereof
    Patent number: 4282375
    Abstract: Halogenated-naphthalenetriyltris(sulfonylimino)-aryl multicarboxylic acids and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: August 4, 1981
    Assignee: American Cyanamid Company
    Inventors: Seymour Bernstein, John F. Poletto
  • Substituted naphthoic acids
    Patent number: 4275076
    Abstract: Certain ureides of substituted naphthoic acids and salts useful as inhibitors of connective tissue destruction.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: June 23, 1981
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • s-Phenenyltris(sulfonylimino)tri-benzene mono- and di-sulfonic acids and salts complement inhibitors
    Patent number: 4265908
    Abstract: s-Phenenyltris(sulfonylimino)tri-benzene mono- and di-sulfonic acids and their salts which are useful as complement inhibitors.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: May 5, 1981
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • Halogenated-naphthalenetriyltris(sulfonylimino)-aryl disulfonic acids and salts thereof
    Patent number: 4265829
    Abstract: Halogenated-naphthalenetriyltris(sulfonylimino)-aryl disulfonic acid and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: May 5, 1981
    Assignee: American Cyanamid Company
    Inventors: Seymour Bernstein, John F. Poletto
  • Naphthalenetetrayltetrakis(sulfonylimino)-aryl multicarboxylic acids and salts thereof
    Patent number: 4266077
    Abstract: Naphthalenetetrayltetrakis(sulfonylimino)-aryl multicarboxylic acids and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: May 5, 1981
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • Naphthalenetetrayletrakis(sulfonylimino)-aryl disulfonic acids and salts thereof
    Patent number: 4265830
    Abstract: Naphthalenetetrayltetrakis(sulfonylimino)-aryl disulfonic acids and salts thereof useful as complement inhibitors.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: May 5, 1981
    Assignee: American Cyanamid Company
    Inventors: Ransom B. Conrow, Seymour Bernstein
  • C6-Modified cyclodextrin sulfate salts as complement inhibitors
    Patent number: 4258180
    Abstract: C6-Modified cyclodextrin sulfate salts useful as complement inhibitors.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: March 24, 1981
    Assignee: American Cyanamid Company
    Inventors: Arthur J. Lewis, Seymour Bernstein
  • Lactobionic acid poly(H-sulfate) and salts thereof useful as complement inhibitors
    Patent number: 4258034
    Abstract: Lactobionic acid poly(H-sulfate) and salts thereof, useful as complement inhibitors.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: March 24, 1981
    Assignee: American Cyanamid Company
    Inventors: Joseph P. Joseph, Seymour Bernstein
  • Modified cyclodextrin sulfate salts as complement inhibitors
    Patent number: 4247535
    Abstract: Modified cyclodextrin sulfate salts useful as complement inhibitors.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: January 27, 1981
    Assignee: American Cyanamid Company
    Inventors: Arthur J. Lewis, Seymour Bernstein
  • Oligosaccharide precursors to substituted O-.alpha.-D and O-.beta.-D-multigalactopyranosyl and glucopyranosyl 1.fwdarw.4 and 1.fwdarw.6 galactopyranosyl 1.fwdarw.6.alpha.-D-glucopyranoses
    Patent number: 4232150
    Abstract: O-.alpha.-D (and O-.beta.-D) multi-galactopyranosyl (and glucopyranosyl) 1.fwdarw.4 (and 1.fwdarw.6) galactopyranosyl 1.fwdarw.6-.alpha.-D-glucopyranose sugars and acetates thereof useful in the preparation of the corresponding sulfate salts which are useful as complement inhibitors.
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: November 4, 1980
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, Joseph P. Joseph, Seymour Bernstein
  • Ureylene phenylene anionic naphthalenesulfonic acids
    Patent number: 4231958
    Abstract: Novel ureylenebis[substituted-phenylenecarbonyl(and sulfonyl)imino-substituted-phenylenesulfonylimino-naphthalenetrisulfonic acid hexaalkali metal salts], useful as inhibitors of the complement system of warm-blooded animals, the amino-substituted phenylenecarbonyl (and sulfonyl)imino-substituted-phenylenesulfonylimino-naphthalenetrisulfonic acid, trialkali metal salts, which are new intermediates for the preparation of the active ureylenes, and the process for their preparation.
    Type: Grant
    Filed: March 5, 1979
    Date of Patent: November 4, 1980
    Assignee: American Cyanamid Company
    Inventors: Gerald J. Siuta, Ransom B. Conrow, John F. Poletto, Seymour Bernstein