Patents by Inventor Albin J. Nelson

Albin J. Nelson 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).

  • 1,5-Disubstituted-2-pyrrolidones
    Patent number: 4177346
    Abstract: A series of 1,5-disubstituted-2-pyrrolidones which are prostaglandin-like in character and the processes for making them are disclosed.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: December 4, 1979
    Assignee: Pfizer Inc.
    Inventor: Albin J. Nelson
  • Pyrrolidonecarboxylic acid therapeutic agents
    Patent number: 4118503
    Abstract: A series of novel N-(p-benzamido)-2-pyrrolidone-4-carboxylic acid compounds have been prepared by condensing the corresponding p-aminobenzamides with itaconic acid. These pyrrolidone compounds are useful in therapy as anti-ulcer agents. N-[N'-(n-Decyl)-4'-benzamido]-2-pyrrolidone-4-carboxylic acid represents a preferred embodiment.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: October 3, 1978
    Assignee: Pfizer Inc.
    Inventor: Albin J. Nelson
  • Pyrrolidonecarboxylic acid therapeutic agents
    Patent number: 4117138
    Abstract: A series of novel N-(p-benzamido)-2-pyrrolidone-4-carboxylic acid compounds have been prepared by condensing the corresponding p-aminobenzamides with itaconic acid. These pyrrolidone compounds are useful in therapy as anti-ulcer agents. N-[N'-(n-Decyl)-4'benzamido]-2-pyrrolidone-4-carboxylic acid represents a preferred embodiment.
    Type: Grant
    Filed: September 16, 1977
    Date of Patent: September 26, 1978
    Assignee: Pfizer Inc.
    Inventor: Albin J. Nelson
  • Pyrrolidonecarboxylic acid derivatives as anti-ulcer agents
    Patent number: 4064264
    Abstract: A series of novel N-(p-benzamido)-2-pyrrolidone-4-carboxylic acid compounds have been prepared by condensing the corresponding p-aminobenzamides with itaconic acid. These pyrrolidone compounds are useful in therapy as anti-ulcer agents. N-[N'-(n-Decyl)-4'-benzamido]-2-pyrrolidone-4-carboxylic acid represents a preferred embodiment.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: December 20, 1977
    Assignee: Pfizer Inc.
    Inventor: Albin J. Nelson
  • N-(acyl)-p-amino-N'-(monosubstituted)-benzamide anti-ulcer agents
    Patent number: 4044147
    Abstract: The preparation of novel N-(acyl)-p-amino-N'-(monosubstituted) benzamides by modified Schotten-Baumann reaction of the corresponding p-aminobenzamides is described. These compounds are effective anti-ulcer agents.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: August 23, 1977
    Assignee: Pfizer Inc.
    Inventor: Albin J. Nelson