Patents by Inventor Gevork Minaskanian
Gevork Minaskanian 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).
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Publication number: 20080161327Abstract: The invention relates to substituted 9-alkyladenines of Formula I: or a pharmaceutically acceptable salt thereof, wherein R1-R6 are defined as set forth in the specification. The invention is also directed to the use of such compounds to inhibit adenosine A1 receptor activation in a mammal. The compounds of the present invention are useful as diuretics, renal protectives against acute or chronic renal failure, as well as agents to improve the therapeutic outcome resulting from defibrillation or cardiopulmonary resuscitation by preventing post-resuscitation bradycardia, bradyarrythmia and cardioplegia, to restore cardiac function following a cardioplegic procedure, and to treat or prevent intermittent claudication.Type: ApplicationFiled: March 10, 2006Publication date: July 3, 2008Applicant: Aderis Pharmaceuticals, Inc.Inventors: Gevork Minaskanian, Keith Rippel
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Publication number: 20040204394Abstract: Triptolide analogues are described, including compounds of Formula I: 1Type: ApplicationFiled: April 11, 2003Publication date: October 14, 2004Applicant: Aderis Pharmaceuticals, Inc.Inventor: Gevork Minaskanian
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Patent number: 6372920Abstract: The present invention relates to a process for preparing optically active and racemic nitrogen-substituted 2-aminotetralins of the following Formula (I): wherein R1, R2, R3, R4, and n are set in the specification, wherein the process comprises alkylating the corresponding unsubstituted 2-aminotetralin of Formula (II): with a reactant of the Formula (III): Z—(CH2)n—R3 (III) wherein Z is a leaving group, in the presence of a base, wherein the base is selected from the group consisting of alkali metal carbonate and alkali metal bicarbonate, and wherein the amount of the base is less than about a 1.9-fold molar excess with respect to the amount of the 2-aminotetralin.Type: GrantFiled: November 16, 2000Date of Patent: April 16, 2002Assignee: Aderis Pharmaceuticals, Inc.Inventors: Gevork Minaskanian, Keith Rippel
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Patent number: 6086905Abstract: Methods for preventing the penetration of toxic chemicals through the stratum corneum of the skin of a mammal are disclosed which employ, as a penetration prevention agent, at least one compound selected from the group consisting of compounds represented by the formula: ##STR1## wherein W.sub.1 is a divalent oxygen, sulfur or nitrogen radical, W.sub.2 and W.sub.3 are independently a divalent oxygen or sulfur radical, R' is an alkyl radical comprising from 1 to 4 carbon atoms, y is 0 or 1, R.sub.1 and R.sub.2 are alkyl radicals comprising from 1 to 10 carbon atoms and R and R.sub.3 are individually a hydrocarbyl radical containing from 1 to 20 carbon atoms or a heteroatom-substituted derivative thereof wherein at least one but not two adjacent carbon atoms may be replaced by a divalent oxygen or sulfur radical or by NR", wherein R" is hydrogen or R', n is an integer from 2 to 5 and compounds represented by the above formula in which the ring and/or R includes one to three carbon carbon double bonds.Type: GrantFiled: August 4, 1993Date of Patent: July 11, 2000Inventors: James V. Peck, Gevork Minaskanian, Jonathan Hadgraft
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Patent number: 5703104Abstract: Compounds, topical compositions and methods useful for preventing the penetration of toxic chemicals through the skin of a mammal are disclosed.The compounds of the invention provide an enhanced barrier for the skin of a mammal to further inhibit or decrease the passage of bioactive agents through the skin of a mammal either from the outside environment into the systems of said mammal or from the mammal into the outside environment.Type: GrantFiled: July 3, 1996Date of Patent: December 30, 1997Assignee: Durham Pharmaceuticals LLCInventors: James V. Peck, Gevork Minaskanian, Mark C. Sleevi
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Patent number: 5472946Abstract: This invention relates to compounds and a method for their use in carrying physiologically active agents through body membranes such as skin and for retaining these agents in body tissues. More specifically, the invention relates to carboxylic acid derivatives and salts thereof, which compounds are useful in topically administering a physiologically active agent to a human or animal via a composition comprising the agent and an effective amount of a compound represented in one embodiment by the general formulae: ##STR1## wherein W represents oxygen, sulfur, or two hydrogen radicals; Z represents oxygen, sulfur, or --CH.sub.2 --;R represents alkyl optionally substituted with one to three double or triple bonds, --SR'", --OR'", --NHR'", --CH.sub.3, or COOR.sub.1, and wherein R.sub.Type: GrantFiled: August 6, 1993Date of Patent: December 5, 1995Inventors: James V. Peck, Gevork Minaskanian
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Patent number: 5470848Abstract: This invention relates to a method for administering systemically active agents through the skin or mucosal membranes of humans and animals and into the bloodstream in a transdermal device or formulation comprising topically administrating with said systemic agent an effective amount of a membrane penetration enhancer having the structural formula ##STR1## or the pharmaceutically acceptable salt thereof wherein W represents oxygen, sulfur or two hydrogen radicals; Z represents --CH.sub.2 --; R represents alkyl optionally substituted with one to three double or triple bonds, --SR"', --OR"', --NHR"', or --COOR.sub.1 ; R"' represents alkyl, alkylthioalkyl, alkoxyalkyl, amino alkyl, optionally substituted with a phenyl, or benzoyl; R' represents hydrogen, alkyl, alkoxy, acyloxy, alkylthio, hydroxy or --(CH.sub.2).sub.y COOR.sub.1 ; R" represents hydrogen or --(CH.sub.2).sub.y COOR.sub.1 ; R.sub.Type: GrantFiled: October 22, 1993Date of Patent: November 28, 1995Inventors: Gevork Minaskanian, James V. Peck
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Patent number: 5444075Abstract: This invention relates to a method for administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals and into the blood stream in a transdermal device or formulation comprising topically administering with said systemic agent an effective amount of a membrane penetration enhancer.Type: GrantFiled: October 20, 1994Date of Patent: August 22, 1995Inventors: Gevork Minaskanian, James V. Peck
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Patent number: 5430056Abstract: Optically active or racemic compounds are provided having the formula ##STR1## where R.sub.1 is ##STR2## where Y is hydrogen, halogen or C.sub.1 to C.sub.6 linear or branched alkyl; R.sub.6 is C.sub.1 to C.sub.4 linear or branched alkyl; X is oxygen or sulfur; a is an integer from zero to 3; and n is an integer from 1 to 4. The compounds are capable of binding selectively to dopamine D.sub.2 receptors and are useful in treatment of disorders of the central nervous, cardiovascular and endocrine systems, such as intraocular pressure, schizophrenia and Parkinsonism, and for inducing anorexia and weight loss in humans and other mammals.Type: GrantFiled: February 23, 1994Date of Patent: July 4, 1995Assignee: Discovery Therapeutics, Inc.Inventors: James V. Peck, Gevork Minaskanian
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Patent number: 5382596Abstract: Optically active or racemic compounds represented by the formula ##STR1## where R.sub.2 is OA and R.sub.3 is selected from the group consisting of H and OA; where A is H or is selected from the group consisting of hydrocarbyl radicals comprising between 1 and 3 carbon atoms, as well as ##STR2## with the proviso that when R.sub.3 is OA, then R.sub.2 and R.sub.3 may be bonded together to form the group R.sub.4 is selected from the group consisting of alkyl and aromatic residues having from 1 to 20, preferably from 1 to 12, carbon atoms, for example, alkyl, optionally substituted with aromatic residues, and aromatic residues optionally substituted with alkyl radicals; n is an integer from 1 to 4; R.sub.5 is an unbranched alkyl chain comprising from 1 and 3 carbon atoms or a cyclopropylmethyl radical; R.sub.1 is alkoxy, cycloalkoxy and a cyclic ether of the formula ##STR3## where m is an integer from 3 to 5; with the proviso that when R.sub.1 is alkoxy, then R.sub.Type: GrantFiled: August 5, 1993Date of Patent: January 17, 1995Assignee: Whitby Research, Inc.Inventors: Mark C. Sleevi, Gevork Minaskanian, L. Meredith Moses
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Patent number: 5358971Abstract: Optically active or racemic compounds are provided having the formula ##STR1## where R.sub.2, R.sub.3 and R.sub.4 are selected from the group consisting of H and OA with the provision that at least one of R.sub.2, R.sub.3 and R.sub.4 is H, that R.sub.2 and R.sub.4 are not both OA; A is H or is selected from the group consisting of hydrocarbyl radicals, said hydrocarbyl radicals being further optionally substituted with radicals selected from the group consisting of ##STR2## R.sub.5 is selected from the group consisting of alkyl and aromatic residues, preferably radicals having between 1 and 12 carbon atoms, including alkyl, alkyl substituted with aryl radicals, and aryl radicals substituted with alkyl radicals; n is an integer between 1 and 4; R.sub.6 is an alkyl chain comprising between 1 and 4 carbon atoms; X is oxygen; and R.sub.1 is selected from the group consisting of ##STR3## wherein Y is as defined in the specification, and a is an integer of from zero to 3.Type: GrantFiled: October 4, 1993Date of Patent: October 25, 1994Assignee: Whitby Research, Inc.Inventors: James V. Peck, Gevork Minaskanian
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Patent number: 5274003Abstract: Optically active or racemic compounds are provided having the formula ##STR1## where R.sub.2, R.sub.3 and R.sub.4 are each selected from the group consisting of H and OH with the provision that at least one of R.sub.2, R.sub.3 and R.sub.4 is H, that R.sub.2 and R.sub.4 are not both OH; X is oxygen; and R.sub.1 is selected from the group consisting of ##STR2## wherein Z is oxygen, nitrogen or sulfur, wherein Y is selected from the group consisting of hydroxy, nitro, cyano, azido, amino, acylamino, carboxyamido, trifluoromethyl, sulfate, sulfonamido, halogen, hydrocarbyl and heteroatom-substituted hydrocarbyl radicals, wherein said heteroatoms are selected from the group consisting of halogen, nitrogen, oxygen, sulfur and phosphorus and said hydrocarbyl radicals comprise from 1 to 12 carbon atoms, and a is an integer of from zero to 3. These compounds are capable of binding selectivity of one or more dopamine D.sub.2 receptors, for instance, in humans.Type: GrantFiled: February 18, 1992Date of Patent: December 28, 1993Assignee: Whitby Research, Inc.Inventors: James V. Peck, Gevork Minaskanian
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Patent number: 5270346Abstract: This invention relates to a method for administering systemically active agents, including therapeutic agents, through the skin or mucosal membranes of humans and animals in a transdermal device or formulation comprising topically administering with said systemic agent a non-toxic, effective, penetrating amount of a membrane penetration enhancer having the structural formula ##STR1## wherein X represents sulfur or two hydrogen atoms; R' is H or a lower alkyl group having 1-4 carbon atoms; m is 2-6; n is 0-18 and R is --CH.sub.3, ##STR2## wherein R" is H or halogen.Type: GrantFiled: November 6, 1992Date of Patent: December 14, 1993Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck, Eric L. Nelson
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Patent number: 5256647Abstract: This invention provides compositions comprising a physiologically-active agent and a compound having the structural formula ##STR1## wherein X may represent sulfur or two hydrogen atoms; R' is H or a lower alkyl group having 1-4 carbon atoms; m is 2-6; n is 0-18 and R is --CH.sub.3, ##STR2## wherein R" is H or halogen, in an amount effective to enhance the penetration of the physiologically-active agent through the skin or other membrane of the body of an animal.Type: GrantFiled: November 13, 1990Date of Patent: October 26, 1993Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck, Eric L. Nelson
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Patent number: 5234959Abstract: This invention relates to a method for administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals and into the blood stream in a transdermal device or formulation comprising topically administering with said systemic agent an effective amount of a membrane penetration enhancer being a carboxylic acid derivative or a salt thereof represented in one embodiment by the general formula ##STR1## wherein W represents oxygen, sulfur, or two hydrogen radicals; wherein Z represents oxygen, sulfur, or --CH.sub.2 --;wherein R represents alkyl optionally substituted with one to three double or triple bonds, --SR'", --OR'", --NHR'", --CH.sub.3, or COOR.sub.1, and wherein R.sub.1 represents hydrogen or lower alkyl;wherein R'" represents alkyl, alkylthioalkyl, alkoxyalkyl, substituted aminoalkyl, optionally substituted with a phenyl, benzoyl or heterocyclic group;wherein R' represents hydrogen, alkyl, alkoxy, acyloxy, alkylthio, hydroxy, --(CH2).sub.Type: GrantFiled: November 13, 1990Date of Patent: August 10, 1993Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck
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Patent number: 5218113Abstract: This invention provides compositions comprising a physiologically-active agent and a compound having the structural formula ##STR1## wherein X may represent sulfur or two hydrogen atoms; R' is H or a lower alkyl group having 1-4 carbon atoms; m is 2-6; n is 0-18 and R is --CH.sub.3, ##STR2## wherein R'' is H or halogen, in an amount effective to enhance the penetration of the physiologically-active agent through the skin or other membrane of the body of an animal.Type: GrantFiled: August 16, 1991Date of Patent: June 8, 1993Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck, Eric L. Nelson
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Patent number: 5204339Abstract: This invention relates to a method for administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals in a transdermal device or formulation comprising topically administering with said systemic agent an effective amount of a membrane penetration enhancer having the structural formula ##STR1## wherein X is selected from the group consisting of oxygen and sulfur; R' is H or a lower alkyl group having 1-4 carbon atoms; m is 2-6; n is 0-17 and R is --CH.sub.3 ; wherein R is H or a lower alkyl group, m is 5-7 and n is 0-17.Type: GrantFiled: August 6, 1990Date of Patent: April 20, 1993Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck, Vithal J. Rajadhyaksha
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Patent number: 5142044Abstract: This invention relates to a method for administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals in a transdermal device or formulation comprising topically administering with said systemic agent an effective amount of a membrane penetration enhancer having the structure formula ##STR1## wherein X and Y, each, may represent sulfur, oxygen or two hydrogen atoms, A is a branched or a straight chain, divalent aliphatic radical having from 0 to 2 double bonds; R' is selected from the group consisting of H, a lower alkyl group having 1-4 carbon atoms, phenyl, lower alkyl or halogen substituted phenyl, acetamido, halogen, piperidinyl, lower alkyl or halogen substituted piperidinyl, carbalkoxy, carboxamide, and alkylformyl; m is 3-7; q is 2m-2x, wherein x equals the number of double bonds in the lactam ring and may be 1, 2 or 3, and R is CH.sub.3, ##STR2## or ##STR3## wherein R" is H or halogen.Type: GrantFiled: January 22, 1990Date of Patent: August 25, 1992Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck
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Patent number: 5118704Abstract: Optically active or racemic compounds are provided having the formula ##STR1## where R.sub.2, R.sub.3, R.sub.4 and R.sub.6 are defined in the specification; R.sub.1 is selected from the group consisting of ##STR2## wherein Y is selected from the group consisting of hydroxy, nitro, cyano, azido, amino, acylamino, carboxyamido, trifluoromethyl, sulfate, sulfonamido, halogen, hydrocarbyl and hetero atom-substituted hydrocarbyl radicals, wherein said heteroatoms are selected from the group consisting of halogen, nitrogen, oxygen, sulfur and phosphorus and said hydrocarbyl radicals comprise from 1 to 12, preferably 1 to 6, carbon atoms, and a is an integer of from zero to 3, for instance zero to 2; and pharmaceutically acceptable salts thereof; as dopaminergics.Type: GrantFiled: September 11, 1991Date of Patent: June 2, 1992Assignee: Whitby Research, Inc.Inventors: Gevork Minaskanian, James V. Peck
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Patent number: 5118845Abstract: This invention relates to a method administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals in a transdermal device or formulation comprising topically administering with said systemic agent an effective amount of a membrane penetration enhancer having the structural formula ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of alkyl radicals and cycloalkyl radicals comprising from 1 to 20 carbon atoms and R is selected from the group consisting of alkyl radicals and cycloalkyl radicals comprising from 1 to 30 carbon atoms; provided, however, that the total number of carbon atoms in said compound is 15 or more and the total number of carbon atoms in R.sup.1 and R.sup.2 is 5 or more.Type: GrantFiled: January 22, 1990Date of Patent: June 2, 1992Assignee: Whitby Research, Inc.Inventors: James V. Peck, Gevork Minaskanian