Patents by Inventor Fred M. Hershenson

Fred M. Hershenson 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).

  • Patent number: 6258800
    Abstract: The instant invention provides aqueous soluble prodrugs of formula (I) or a pharmaceutically acceptable salt thereof wherein R is —CH2OZ, —C(═O)OCH2OZ or Z, wherein Z is formula (a), —P(═O)(OH)2 or —C(═O)Q: n is an integer of from 0 to 3; m is an integer of from 0 to 1, of certain tachykinin antagonists (NK1 antagonists) useful in the treatment of emesis.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: July 10, 2001
    Assignee: Warner-Lambert Company
    Inventors: Michael Huai Gu Chen, Om Prakash Goel, Fred M. Hershenson, Zhijian Zhu, Oilun Helen Chan
  • Patent number: 4677112
    Abstract: Benzobicyclic lactam acids having a fused aromatic carbocyclic and a saturated lactam ring of five- or six-members, their salts, esters, and amides, are useful in the treatment of senility and for reversing amnesia. Pharmaceutical compositions including these compounds, a method of preparing the compounds, and a method of treating senility and reversing amnesia area also disclosed.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: June 30, 1987
    Assignee: Warner-Lambert Company
    Inventors: Donald E. Butler, Michael R. Pavia, Fred M. Hershenson
  • Patent number: 4582909
    Abstract: Benzobicyclic lactam acids having a fused aromatic carbocyclic and a saturated lactam ring of five- or six-members, their salts, esters, and amides, are useful for reversing amnesia. Pharmaceutical compositions including these compounds, a method of preparing the compounds, and a method of treating senility and reversing amnesia are also disclosed.
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: April 15, 1986
    Assignee: Warner-Lambert Company
    Inventors: Donald E. Butler, Michael R. Pavia, Fred M. Hershenson
  • Patent number: 4530929
    Abstract: A class of novel fused-ring, benzotricyclic, nitrogen-containing diones useful as agents in reversing electroconvulsive shock-induced amnesia. A method of preparing the compounds, pharmaceutical compositions including the compounds, and a method of reversing electroconvulsive shock-induced amnesia are disclosed.
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: July 23, 1985
    Assignee: Warner-Lambert Company
    Inventors: Donald E. Butler, Michael R. Pavia, Fred M. Hershenson
  • Patent number: 4525476
    Abstract: N-[1-oxo-3-(5-oxo-2-pyrrolidinyl)propyl]-alpha-aminoacids, base addition salts, esters, and amides are useful as cognition activators. Pharmaceutical compositions containing these compounds and methods of using the pharmaceutical compositions for treating senility or amnesia are also disclosed.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: June 25, 1985
    Assignee: Warner-Lambert Company
    Inventors: Donald E. Butler, Fred M. Hershenson, Michael R. Pavia
  • Patent number: 4267318
    Abstract: 1-(Diarylmethyl)-4-piperidinamine and derivatives thereof of the formula ##STR1## or a non-toxic pharmocologically acceptable acid addition salt thereof; wherein Ar, Ar.sup.1 and Ar.sup.2 independently are phenyl, phenyl substituted with up to five halogens, alkyl radicals of 1 to 7 carbon atoms or alkoxy radicals of 1 to 7 carbon atoms, 3,4-(methylenedioxy)phenyl or pyridyl optionally substituted with up to four alkyl radicals of 1 to 7 carbon atoms; and R and R.sup.1 are each hydrogen or together form a double bond between the nitrogen and carbon atoms to which they are attached are disclosed. These compounds are useful because of their anti-convulsant and anti-ulcer activity.
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: May 12, 1981
    Assignee: G. D. Searle & Co.
    Inventor: Fred M. Hershenson
  • Patent number: 4123430
    Abstract: 2-Aryl-4-(1-piperazinyl)-3H-1,5-benzodiazepines of the formula ##STR1## wherein R is hydrogen, alkyl having from 1 to 7 carbon atoms or phenyl; Ar is phenyl, trifluoromethylphenyl or phenyl substituted with 1 or 2 halogen, alkyl having from 1 to 4 carbon atoms or alkoxy having from 1 to 4 carbon atoms; X and Y are each hydrogen, halogen, alkyl having from 1 to 4 carbon atoms or alkoxy having from 1 to 4 carbon atoms; and the dotted line represents a single bond wherein hydrogen is attached to N or a double bond. These compounds are useful as muscle relaxants.
    Type: Grant
    Filed: November 10, 1977
    Date of Patent: October 31, 1978
    Assignee: G. D. Searle & Co.
    Inventors: Charles R. Ellefson, Fred M. Hershenson