Patents by Inventor Thomas R. Blohm
Thomas R. Blohm 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: 5436237Abstract: The present invention relates to 4-amino-.DELTA..sup.4 -steroids which are useful as inhibitors of 5.alpha.-reductase. The compounds are prepared by the reaction of an appropriate 4-azido steroid with triphenylphosphine in an aqueous inert solvent with heating.Type: GrantFiled: February 25, 1994Date of Patent: July 25, 1995Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Philip M. Weintraub, Joseph P. Burkhart, Thomas R. Blohm
-
Patent number: 5318961Abstract: The present invention relates to 4-amino-.DELTA..sup.4 -steroids which are inhibitors of 5.alpha.-reductase. The compounds are useful for treating DHT-mediated diseases.Type: GrantFiled: December 20, 1992Date of Patent: June 7, 1994Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Philip M. Weintraub, Joseph P. Burkhart, Thomas R. Blohm
-
Patent number: 5143909Abstract: The present invention relates to a method for the inhibition of C.sub.17-20 lyase enzyme which comprises administering to a patient in need of such inhibition, an effective amount of certain 4-amino-17-(hydroxyalkyl or dihydroxyalkyl)steroids or their esters or ethers. Certain of the aminosteroids used in the process are novel compounds.Type: GrantFiled: March 19, 1991Date of Patent: September 1, 1992Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Philip M. Weintraub, Cynthia A. Gates, Thomas R. Blohm
-
Patent number: 5120840Abstract: The present invention relates to 4-amino-.DELTA..sup.4 -steroids which are useful as inhibitors of 5.alpha.-reductase. The compounds are prepared by the reaction of an appropriate 4-azido steroid with triphenylphosphine in an aqueous inert solvent with heating.The present application is a continuation-in-part of application Ser. No. 561,041, filed Aug. 1, 1990 and application Ser. No. 671,555, filed Mar. 19, 1991.Type: GrantFiled: July 2, 1991Date of Patent: June 9, 1992Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Philip M. Weintraub, Joseph P. Burkhart, Thomas R. Blohm
-
Patent number: 5100917Abstract: The present invention relates to novel A-nor-steroid-3-carboxylic acid derivatives and to their use as inhibitors of mammalian 5.alpha.-reductase.Type: GrantFiled: September 11, 1990Date of Patent: March 31, 1992Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Gary A. Flynn, Philippe Bey, Thomas R. Blohm
-
Patent number: 5075464Abstract: This invention is directed to 17.beta.-(cyclopropylamino)androstenes and also to a method for using such compounds in the treatment of androgen-dependent disorders. The compounds are prepared by the hydride reduction of an appropriate steroidal imine or enamine.Type: GrantFiled: June 14, 1989Date of Patent: December 24, 1991Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Thomas R. Blohm, Michael R. Angelastro
-
Patent number: 4966898Abstract: This invention is directed to 4-substituted 17.beta.-(cyclopropylamino)androst-5-en-3.beta.-ol and related compounds and also to a method for using such compounds in the treatment of androgen-dependent disorders. The compounds are prepared by the hydride reduction of an appropriate steroidal imine or enamine.Type: GrantFiled: August 15, 1989Date of Patent: October 30, 1990Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Michael R. Angelastro, Thomas R. Blohm
-
Patent number: 4966897Abstract: This invention is directed to 4-substituted 17.beta.-(cyclopropyloxy)androst-5-en-3.beta.-ols and related compounds and also to a method for using such compounds in the treatment of androgen-dependent disorders. The ethers are prepared by using the Simmons-Smith reaction and an appropriate vinyl ether.Type: GrantFiled: August 15, 1989Date of Patent: October 30, 1990Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Michael R. Angelastro, Thomas R. Blohm
-
Patent number: 4891367Abstract: This invention is directed to 17.beta.-(cyclopropyloxy)androst-5-en-3.beta.-ol and related compounds and also to a method for using such compounds in the treatment of androgen-dependent disorders. The ethers are prepared by using the Simmons-Smith reaction and an appropriate vinyl ether.Type: GrantFiled: April 22, 1987Date of Patent: January 2, 1990Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Michael R. Angelastro, Thomas R. Blohm
-
Patent number: 4317817Abstract: Compounds of the following general formula are testosterone 5.alpha.-reductase inhibitors rendering the compounds useful in the treatment of acne and oily skin and benign prostatic hypertrophy: ##STR1## wherein R is: .dbd.O, --OH, --OCO--alkyl C.sub.1-5, --COOH, --CH.sub.2 OH, --COO--alkyl C.sub.1-6, --COCH.sub.Type: GrantFiled: December 15, 1980Date of Patent: March 2, 1982Assignee: Richardson-Merrell Inc.Inventors: Thomas R. Blohm, Brian W. Metcalf
-
Patent number: 4187319Abstract: Substituted benzaldehydes of the following general structure are useful as hypolipidemic agents: ##STR1## wherein Y is selected from oxygen and divalent sulfur; R is selected from a straight or branched saturated hydrocarbon chain having from 10 to 20 carbon atoms and a straight or branched unsaturated hydrocarbon chain having from 10 to 20 carbon atoms and from 1 to 4 double bonds.Type: GrantFiled: June 2, 1977Date of Patent: February 5, 1980Assignee: Richardson-Merrell Inc.Inventors: Thomas R. Blohm, J. Martin Grisar, Roger A. Parker
-
Patent number: 4153235Abstract: Compounds possessing hypoglycemic, hypotensive, anti-inflammatory, anticoagulant and diuretic acitivity are represented by compounds of the following formula ##STR1## wherein Y is thienyl, cycloalkyl of from 5 to 7 carbon atoms, phenyl or substituted phenyl in which case the substituents on the substituted phenyl are selected from halogen, such as fluorine, chlorine, bromine or iodine, lower alkyl of from 1 to 4 carbon atoms and lower alkoxy of from 1 to 4 carbon atoms; Z is hydrogen or hydroxy; R is hydrogen, lower alkyl of from 1 to 4 carbon atoms, phenyl or benzyl; R.sup.1 is hydrogen, lower alkyl of from 1 to 4 carbon atoms or halogen, such as chlorine, fluorine, bromine or iodine; m is from 3 to 6; and n is from 3 to 11. Pharmaceutical compositions of these compounds and their use are also disclosed.Type: GrantFiled: February 14, 1978Date of Patent: May 8, 1979Assignee: Richardson-Merrell Inc.Inventors: Johann M. Grisar, Thomas R. Blohm, Edward M. Roberts
-
Patent number: 4126621Abstract: Compounds possessing hypoglycemic, hypotensive, antiinflammatory, anticoagulant and diuretic activity are represented by compounds of the following formula ##STR1## wherein Y is thienyl, cycloalkyl of from 5 to 7 carbon atoms, phenyl or substituted phenyl in which case the substituents on the substituted phenyl are selected from halogen, such as fluorine, chlorine, bromine or iodine, lower alkyl of from 1 to 4 carbon atoms and lower alkoxy of from 1 to 4 carbon atoms; Z is hydrogen or hydroxy; R is hydrogen, lower alkyl of from 1 to 4 carbon atoms, phenyl or benzyl; R.sup.1 is hydrogen, lower alkyl of from 1 to 4 carbon atoms or halogen, such as chlorine, fluorine, bromine or iodine; m is from 3 to 6; and n is from 3 to 11. Pharmaceutical compositions of these compounds and their use are also disclosed.Type: GrantFiled: February 14, 1978Date of Patent: November 21, 1978Assignee: Richardson-Merrell Inc.Inventors: Johann M. Grisar, Thomas R. Blohm, Edward M. Roberts
-
Patent number: 4126613Abstract: Compounds possessing hypoglycemic, hypotensive, anti-inflammatory, anticoagulant and diuretic activity are represented by compounds of the following formula ##STR1## where Y is thienyl, cycloalkyl of from 5 to 7 carbon atoms, phenyl or substituted phenyl in which case the substituents on the substituted phenyl are selected from halogen, such as fluorine, chlorine, bromine or iodine, lower alkyl of from 1 to 4 carbon atoms and lower alkoxy of from 1 to 4 carbon atoms; Z is hydrogen or hydroxy; R is hydrogen, lower alkyl of from 1 to 4 carbon atoms, phenyl or benzyl; R.sup.1 is hydrogen, lower alkyl of from 1 to 4 carbon atoms or halogen, such as chlorine, fluorine, bromine or iodine; m is from 3 to 6; and n is from 3 to 11. Pharmaceutical compositions of these compounds and their use are also disclosed.Type: GrantFiled: August 9, 1973Date of Patent: November 21, 1978Assignee: Richardson-Merrell Inc.Inventors: Johann M. Grisar, Thomas R. Blohm, Edward M. Roberts
-
Patent number: 4126611Abstract: Compounds possessing hypoglycemic, hypotensive, antiinflammatory, anticoagulant and diuretic activity are represented by compounds of the following formula ##STR1## wherein Y is thienyl, cycloalkyl of from 5 to 7 carbon atoms, phenyl or substituted phenyl in which case the substituents on the substituted phenyl are selected from halogen, such as fluorine, chlorine, bromine or iodine, lower alkyl of from 1 to 4 carbon atoms and lower alkoxy of from 1 to 4 carbon atoms; Z is hydrogen or hydroxy; R is hydrogen, lower alkyl of from 1 to 4 carbon atoms, phenyl or benzyl; R.sup.1 is hydrogen, lower alkyl of from 1 to 4 carbon atoms or halogen, such as chlorine, fluorine, bromine or iodine; m is from 3 to 6; and n is from 3 to 11. Pharmaceutical compositions of these compounds and their use are also disclosed.Type: GrantFiled: February 14, 1978Date of Patent: November 21, 1978Assignee: Richardson-Merrell Inc.Inventors: Johann M. Grisar, Thomas R. Blohm, Edward M. Roberts
-
Patent number: 4126612Abstract: Compounds possessing hypoglycemic, hypotensive, anti-inflammatory, anticoagulant and diuretic activity are represented by compounds of the following formula ##STR1## wherein Y is thienyl, cycloalkyl of from 5 to 7 carbon atoms, phenyl or substituted phenyl in which case the substituents on the substituted phenyl are selected from halogen, such as fluorine, chlorine, bromine or iodine, lower alkyl of from 1 to 4 carbon atoms and lower alkoxy of from 1 to 4 carbon atoms; Z is hydrogen or hydroxy; R is hydrogen, lower alkyl of from 1 to 4 carbon atoms, phenyl or benzyl; R.sup.1 is hydrogen, lower alkyl of from 1 to 4 carbon atoms or halogen, such as chlorine, fluorine, bromine or iodine; m is from 3 to 6; and n is from 3 to 11. Pharmaceutical compositions of these compounds and their use are also disclosed.Type: GrantFiled: February 14, 1978Date of Patent: November 21, 1978Assignees: Eugene O. Retter, Richardson-Merrell Inc.Inventors: Johann M. Grisar, Thomas R. Blohm, Edward M. Roberts
-
Patent number: 4088760Abstract: Compounds of the following general formula are testosterone 5.alpha.-reductase inhibitors rendering said compounds useful in the treatment of acne and oily skin: ##STR1## wherein n is an integer of from 0 to 4; R.sub.1 is --COOR.sub.2, --CONR.sub.3 R.sub.4, --CHO or --CH.sub.2 OR.sub.5 ; R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, or benzyl; each of R.sub.3 and R.sub.4 is hydrogen or a straight or branched lower alkyl group of from 1 to 4 carbon atoms; and R.sub.5 is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 20 carbon atoms and is straight or branched, benzoyl, phenylalkylcarbonyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched, or cycloalkylcarbonyl wherein the cycloalkyl moiety has from 5 to 10 carbon atoms.Type: GrantFiled: June 23, 1976Date of Patent: May 9, 1978Assignee: Richardson-Merrell Inc.Inventors: Harvey D. Benson, Thomas R. Blohm
-
Patent number: 4066788Abstract: Substituted benzaldehydes of the following general structure are useful as hypolipidemic agents: ##STR1## wherein Y is selected from oxygen and divalent sulfur; R is selected from a straight or branched saturated hydrocarbon chain having from 10 to 20 carbon atoms and a straight or branched unsaturated hydrocarbon chain having from 10 to 20 carbon atoms and from 1 to 4 double bonds.Type: GrantFiled: October 3, 1975Date of Patent: January 3, 1978Assignee: Richardson-Merrell Inc.Inventors: Thomas R. Blohm, J. Martin Grisar, Roger Alan Parker
-
Patent number: 4061746Abstract: A method of treating gastrointestinal hypersecretions which comprises administering substituted lactamimide derivatives.Type: GrantFiled: April 23, 1976Date of Patent: December 6, 1977Assignee: Richardson-Merrell Inc.Inventors: Thomas R. Blohm, J. Martin Grisar, Norbert L. Wiech