Patents by Inventor Charles N. Habecker

Charles N. Habecker 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).

  • Substituted aromatic sulfonamides as antiglaucoma agents
    Patent number: 5308863
    Abstract: Thieno[2,3-b]thiopyran-2-sulfonamides and ring homologs with a hydrophilic substituted-alkyl group adjacent to the thiopyran sulfur are carbonic anhydrase inhibitors topically effective in lowering intraocular pressure.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: May 3, 1994
    Assignee: Merck & Co., Inc.
    Inventors: John J. Baldwin, Gerald S. Ponticello, Charles N. Habecker, Harold G. Selnick
  • Substituted thiophene-2-sulfonamide antiglaucoma agents
    Patent number: 4929637
    Abstract: Thiophene-2-sulfonamides with an alkyl or substituted-alkyl and an alkyl-S(O).sub.n -substituent are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: May 29, 1990
    Assignee: Merck & Co., Inc.
    Inventors: John J. Baldwin, Gerald S. Ponticello, Charles N. Habecker
  • Substituted aromatic sulfonamides as antiglaucoma agents
    Patent number: 4820848
    Abstract: Aromatic sulfonamides with a saturated heterocycle fused thereto are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: April 11, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Gerald S. Ponticello, Charles N. Habecker
  • Pyrazinecarboxamides and processes for preparing same
    Patent number: 4085211
    Abstract: The case involves novel pyrazinecarboxamides and processes for preparing same. The pyrazinecarboxamides are excellent eukalemic agents possessing diuretic and natriuretic properties.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: April 18, 1978
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr., Charles N. Habecker