Patents by Inventor Charles A. Harbert
Charles A. Harbert 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: 20240226000Abstract: The present disclosure relates to a formulations and methods for transdermal delivery of a medicament through the skin of a subject. In aspects, the formulation comprises a therapeutically effective amount of a medicament and a penetrant portion in which the penetrant portion comprises: a phospholipid, a fatty acid ester formed from a low molecular weight alcohol, and a long-chain fatty acids. In some embodiments, the penetrant portion further comprises one or more of a viscosity-improving agent, a penetration enhancer, and an emulsifier.Type: ApplicationFiled: July 12, 2023Publication date: July 11, 2024Inventors: Nathan FITZSIMMONS, Ryan BEAL, Charles A. HARBERT, Audrene RICE, Brandon SAND, Parshva KOTHARY, Bruce SAND
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Publication number: 20240130962Abstract: The present disclosure relates to a formulations and methods for transdermal delivery of a medicament through the skin of a subject. In aspects, the formulation comprises a therapeutically effective amount of a medicament and a penetrant portion in which the penetrant portion comprises: a phospholipid, a fatty acid ester formed from a low molecular weight alcohol, and a long-chain fatty acids. In some embodiments, the penetrant portion further comprises one or more of a viscosity-improving agent, a penetration enhancer, and an emulsifier.Type: ApplicationFiled: July 11, 2023Publication date: April 25, 2024Inventors: Nathan FITZSIMMONS, Ryan BEAL, Charles A. HARBERT, Audrene RICE, Brandon SAND, Parshva KOTHARY, Bruce SAND
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Publication number: 20070261452Abstract: Aeration or air floors for composting, agricultural product storage, or other suitable uses are disclosed herein. In one embodiment, an aeration floor system includes a hollow core slab having a surface and a hollow tube extending in a direction generally parallel to the surface. The system further includes a slot extending between the surface and the hollowed tube. The slot has a tapered cross-sectional shape.Type: ApplicationFiled: January 5, 2007Publication date: November 15, 2007Inventor: Charles Harbert
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Patent number: 4556676Abstract: Novel trans-isomeric derivatives of 4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine are useful as antidepressant agents. These novel compounds act to block the synaptosomal uptake of norepinephrine and serotonin (5-hydroxy-tryptamine), thereby alleviating abnormalities at central receptor sites. The preferred embodiment is the enantiomer trans-(1R)-N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthalen amine and its pharmaceutically acceptable acid addition salts.Type: GrantFiled: September 5, 1980Date of Patent: December 3, 1985Assignee: Pfizer Inc.Inventors: Willard M. Welch, Jr., Charles A. Harbert, B. Kenneth Koe, Allen R. Kraska
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Patent number: 4536518Abstract: Novel cis-isomeric derivatives of 4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine are useful as antidepressant agents. These novel compounds act to block the synaptosomal uptake of serotonin (5-hydroxy-tryptamine), thereby alleviating serotonin abnormalities at central receptor sites. The preferred embodiment is the enantiomer cis-(1S)-N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthalenam ine and its pharmaceutically acceptable acid addition salts.Type: GrantFiled: November 1, 1979Date of Patent: August 20, 1985Assignee: Pfizer Inc.Inventors: Willard M. Welch, Jr., Charles A. Harbert, B. Kenneth Koe, Allen R. Kraska
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Patent number: 4535084Abstract: A series of 4-(2-hydroxyethylthiomethyl)pyridines and related compounds, and their pharmaceutically acceptable acid addition salts, having immunoregulatory activity are disclosed. Preferred compounds include 4-(2-hydroxyethylthiomethyl)pyridine itself, as well as 4-(2-hydroxy-1-propylthiomethyl)pyridine, 4-(3-hydroxy-2-butylthiomethyl)pyridine, the acetate esters corresponding to the above compounds, and 4-(2,3-dihydroxy-1-propylthiomethyl)pyridine.Type: GrantFiled: March 18, 1983Date of Patent: August 13, 1985Assignee: Pfizer Inc.Inventors: Joseph G. Lombardino, Charles A. Harbert
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Patent number: 4500535Abstract: A series of 4-(2-carboxymethylthiomethyl)pyridines and related compounds, and their pharmaceutically acceptable salts, are disclosed as having immunoregulatory activity. Preferred compounds include 4-(2-carboxymethylthiomethyl)pyridine [alternatively named 2-(4-picolylthio)acetic acid] and (C.sub.1 -C.sub.4)alkyl esters thereof, and 4-(1-formylmethylthiomethyl)-pyridine [alternatively named 2-(4-picolylthio)acetaldehyde] and bis(C.sub.1 -C.sub.4)alkyl or cyclic acetals thereof. These acids, esters, aldehydes and acetals also have utility as intermediates in the synthesis of the corresponding 4-(2-hydroxyethylthiomethyl)pyridines.Type: GrantFiled: March 7, 1983Date of Patent: February 19, 1985Assignee: Pfizer Inc.Inventors: Joseph G. Lombardino, Charles A. Harbert
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Patent number: 4432978Abstract: Derivatives of 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]-indole and of (+)enantiomeric, mixtures of (+) and (-)enantiomeric or (.+-.)racemic 2,3,4,4a,5,9b-hexahydro-4a,9b-trans-1H-pyrido[4,3-b]indole, substituted at the 5-position with an aryl group and at the 2-position with a carbonylaminoalkyl group or an aminoalkyl group, are neuroleptic agents useful in the treatment of certain psychoses and neuroses.Type: GrantFiled: May 20, 1982Date of Patent: February 21, 1984Assignee: Pfizer Inc.Inventors: Willard M. Welch, Charles A. Harbert
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Patent number: 4431649Abstract: Derivatives of 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]-indole and of (+)enantiomeric, mixtures of (+) and (-)enantiomeric or (.+-.)racemic 2,3,4,4a,5,9b-hexahydro-4a,9b-trans-1H-pyrido[4,3-b]indole, substituted at the 5-position with an aryl group and at the 2-position with a carbonylaminoalkyl group or an aminoalkyl group, are neuroleptic agents useful in the treatment of certain psychoses and neuroses.Type: GrantFiled: May 20, 1982Date of Patent: February 14, 1984Assignee: Pfizer Inc.Inventors: Willard M. Welch, Charles A. Harbert
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Patent number: 4431646Abstract: Derivatives of 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]-indole and of (+)enantiomeric, mixtures of (+) and (-)enantiomeric or (.+-.)racemic 2,3,4,4a,5,9b-hexahydro-4a,9b-trans-1H-pyrido[4,3-b]indole, substituted at the 5-position with an aryl group and at the 2-position with a carbonylaminoalkyl group or an aminoalkyl group, are neuroleptic agents useful in the treatment of certain psychoses and neuroses.Type: GrantFiled: May 20, 1982Date of Patent: February 14, 1984Assignee: Pfizer Inc.Inventors: Willard M. Welch, Charles A. Harbert
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Patent number: 4427679Abstract: Derivatives of 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole and of (+)enantiomeric, mixtures of (+) and (-)enantiomeric or (.+-.)racemic 2,3,4,4a,5,9b-hexahydro-4a,9b-trans-1H-pyrido[4,3-b]indole, substituted at the 5-position with an aryl group and at the 2-position with a carbonylaminoalkyl group or an aminoalkyl group, are neuroleptic agents useful in the treatment of certain psychoses and neuroses.Type: GrantFiled: May 20, 1982Date of Patent: January 24, 1984Assignee: Pfizer Inc.Inventors: Willard M. Welch, Charles A. Harbert
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Patent number: 4391827Abstract: Cycloalkanones, cycloalkanols and unsaturated analogs thereof, each of which has at the 3-position a 2-hydroxy-4-substituted phenyl group wherein the 4-position substituent is alkyl which can have an oxygen atom as part of the chain, or aralkyl which can have an oxygen atom as part of the alkyl chain, their use for pharmacological and medicinal purposes, intermediates therefor and processes for their preparation.Type: GrantFiled: July 27, 1981Date of Patent: July 5, 1983Assignee: Pfizer Inc.Inventors: Charles A. Harbert, Michael R. Johnson, Lawrence S. Melvin, Jr.
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Patent number: 4387229Abstract: Azacycloalkanes, and derivatives thereof, including unsaturated analogs, each of which has at the 3-position a 2-hydroxy-4-substituted phenyl group wherein the 4-position substituent is alkyl which can have an oxygen atom as part of the chain, or aralkyl which can have an oxygen atom as part of the alkyl chain, their use for pharmacological and medicinal purposes, intermediates therefor and processes for their preparation.Type: GrantFiled: February 26, 1982Date of Patent: June 7, 1983Assignee: Pfizer Inc.Inventors: Thomas H. Althuis, Charles A. Harbert, Michael R. Johnson, Lawrence S. Melvin, Jr.
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Patent number: 4371696Abstract: A series of 4-(2-carboxymethylthiomethyl)pyridines and related compounds, and their pharmaceutically acceptable salts, are disclosed as having antiinflammatory and immunoregulatory activity. Preferred compounds include 4-(2-carboxymethylthiomethyl)pyridine [alternatively named 2-(4-picolylthio)acetic acid] and (C.sub.1 -C.sub.4)alkyl esters thereof, and 4-(1-formylmethylthiomethyl)pyridine [alternatively named 2-(4-picolylthio)-acetaldehyde] and bis(C.sub.1 -C.sub.4)alkyl or cyclic acetals thereof. These acids, esters, aldehydes and acetals also have utility as intermediates in the synthesis of the corresponding 4-(2-hydroxyethylthiomethyl)pyridines.Type: GrantFiled: June 26, 1981Date of Patent: February 1, 1983Assignee: Pfizer Inc.Inventors: Joseph G. Lombardino, Charles A. Harbert
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Patent number: 4352807Abstract: Medicinal agents classed as 2-(aminoalkyl or amidoalkyl)-5-aryl-hexahydro-trans-4a,9b-1(H)-pyrido-[4,3-b]indole derivatives have been synthesized and found to have neuroleptic activity.Type: GrantFiled: August 28, 1980Date of Patent: October 5, 1982Assignee: Pfizer Inc.Inventors: Willard M. Welch, Charles A. Harbert
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Patent number: 4341906Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, benzyl, benzoyl, alkanoyl of 1 to 5 carbon atoms or --CO--(CH.sub.2).sub.p --NR'R" wherein p is 0 or an integer from 1 to 4; each of R' and R" when taken individually is hydrogen or alkyl of 1 to 4 carbon atoms; R' and R" when taken together with the nitrogen to which they are attached form a 5- or 6-membered heterocyclic ring selected from piperidino, pyrollo, pyrrolidino, morpholino and N-alkylpiperazino having from 1 to 4 carbon atoms in the alkyl group;R.sub.2 is selected from hydrogen, alkanoyl of 1 to 6 carbon atoms and benzoyl;R.sub.3 is selected from hydrogen, methyl and ethyl;R.sub.4 is selected from hydrogen, alkyl of 1 to 6 carbon atoms and benzyl;Z is selected from:(a) alkylene having from one to nine carbon atoms;(b) -(alk.sub.1).sub.m -X-(alk.sub.2).sub.n - wherein each of (alk.sub.1) and (alk.sub.2) is alkylene having from 1 to 9 carbon atoms, with the proviso that the summation of carbon atoms in (alk.sub.1) plus (alk.sub.Type: GrantFiled: December 22, 1980Date of Patent: July 27, 1982Assignee: Pfizer Inc.Inventors: Thomas H. Althuis, Charles A. Harbert, Michael R. Johnson, Lawrence S. Melvin, Jr.
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Patent number: 4337250Abstract: Derivatives of 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]-indole and of (+)enantiomeric, mixtures of (+) and (-)enantiomeric or (.+-.)racemic 2,3,4,4a,5,9b-hexahydro-4a,9b-trans-1H-pyrido[4,3-b]indole, substituted at the 5-position with an aryl group and at the 2-position with a carbonylaminoalkyl group or an aminoalkyl group, are neuroleptic agents useful in the treatment of certain psychoses and neuroses.Type: GrantFiled: January 16, 1981Date of Patent: June 29, 1982Assignee: Pfizer Inc.Inventors: Willard M. Welch, Charles A. Harbert
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Patent number: 4332942Abstract: Azacycloalkanes, and derivatives thereof, including unsaturated analogs, each of which has at the 3-position a 2-hydroxy-4-substituted phenyl group wherein the 4-position substituent is alkyl which can have an oxygen atom as part of the chain, or aralkyl which can have an oxygen atom as part of the alkyl chain, their use for pharmacological and medicinal purposes, intermediates therefor and processes for their preparation.Type: GrantFiled: October 20, 1980Date of Patent: June 1, 1982Assignee: Pfizer, Inc.Inventors: Thomas H. Althuis, Charles A. Harbert, Michael R. Johnson, Lawrence S. Melvin, Jr.
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Patent number: 4310668Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, benzyl, benzoyl, alkanoyl of 1 to 5 carbon atoms or --CO--(CH.sub.2).sub.p --NR'R" wherein p is 0 or an integer from 1 to 4; each of R' and R" when taken individually is hydrogen or alkyl of 1 to 4 carbon atoms; R' and R" when taken together with the nitrogen to which they are attached form a 5- or 6-membered heterocyclic ring selected from piperidino, pyrrolo, pyrrolidino, morpholino and N-alkylpiperazino having from 1 to 4 carbon atoms in the alkyl group;R.sub.2 is selected from hydrogen, alkanoyl of 1 to 6 carbon atoms and benzoyl;R.sub.3 is selected from hydrogen, methyl and ethyl;R.sub.4 is selected from hydrogen, alkyl of 1 to 6 carbon atoms and benzyl;Z is selected from:(a) alkylene having from one to nine carbon atoms;(b) --(alk.sub.1).sub.m --X--(alk.sub.2).sub.n -- wherein each of (alk.sub.1) and (alk.sub.2) is alkylene having from 1 to 9 carbon atoms, with the proviso that the summation of carbon atoms in (alk.sub.1) plus (alk.sub.Type: GrantFiled: December 22, 1980Date of Patent: January 12, 1982Assignee: Pfizer Inc.Inventors: Thomas H. Althuis, Charles A. Harbert, Michael R. Johnson, Lawrence S. Melvin, Jr.
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Patent number: 4310669Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, benzyl, benzoyl, alkanoyl of 1 to 5 carbon atoms or --CO--(CH.sub.2).sub.p --NR'R" wherein p is 0 or an integer from 1 to 4; each of R' and R" when taken individually is hydrogen or alkyl of 1 to 4 carbon atoms; R' and R" when taken together with the nitrogen to which they are attached form a 5- or 6-membered heterocyclic ring selected from piperidino, pyrrolo, pyrrolidino, morpholino and N-alkylpiperazino having from 1 to 4 carbon atoms in the alkyl group;R.sub.2 is selected from hydrogen, alkanoyl of 1 to 6 carbon atoms and benzoyl;R.sub.3 is selected from hydrogen, methyl and ethyl;R.sub.4 is selected from hydrogen, alkyl of 1 to 6 carbon atoms and benzyl;Z is selected from:(a) alkylene having from one to nine carbon atoms;(b) -(alk.sub.1).sub.m -X-(alk.sub.2).sub.n - wherein each of (alk.sub.1) and (alk.sub.2) is alkylene having from 1 to 9 carbon atoms, with the proviso that the summation of carbon atoms in (alk.sub.1) plus (alk.sub.Type: GrantFiled: December 22, 1980Date of Patent: January 12, 1982Assignee: Pfizer Inc.Inventors: Thomas H. Althuis, Charles A. Harbert, Michael R. Johnson, Lawrence S. Melvin, Jr.