Patents by Inventor Anil K. Saksena
Anil K. Saksena 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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Patent number: 5714490Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two amino acid ester groups (e.g., an amino acid ester group convertible in vivo into a hydroxy group) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 2, 1995Date of Patent: February 3, 1998Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
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Patent number: 5710154Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two groups convertible in vivo into hydroxy moieties, (e.g., a polyether ester, amino acid ester or phosphate ester) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 2, 1995Date of Patent: January 20, 1998Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
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Patent number: 5703236Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two hydroxy moieties, an ether ester (e.g., a polyetherester or phosphate ester) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 2, 1995Date of Patent: December 30, 1997Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
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Patent number: 5703079Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two polyetyher ester groups (e.g., a polyether ester convertible in vivo into a hydroxy group) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 2, 1995Date of Patent: December 30, 1997Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
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Patent number: 5698557Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two hydroxy moieties, an ether or ester thereof (e.g., a polyether ester, heterocyclic ester amino acid ester or phosphate ester) thereof and the carbon with the asterisk (*) has the R or S absolute configuration or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 17, 1996Date of Patent: December 16, 1997Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike
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Patent number: 5693626Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two phosphate ester groups (e.g., a phosphate ester convertible in vivo into a hydroxy group) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 2, 1995Date of Patent: December 2, 1997Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
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Patent number: 5661151Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two hydroxy moieties, an ether or ester thereof (e.g., a polyether ester amino acid ester or phosphate ester) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.Type: GrantFiled: June 2, 1995Date of Patent: August 26, 1997Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
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Patent number: 5652226Abstract: The compound of the formula I ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 are as defined herein, are described. These compounds are antibacterial agents.Type: GrantFiled: December 22, 1995Date of Patent: July 29, 1997Assignee: Schering CorporationInventors: Viyyoor M. Girijavallabhan, Anil K. Saksena, Frank Bennett, Edwin Jao, Naginbhai M. Patel, Ashit Ganguly
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Patent number: 5618793Abstract: Compounds of the formula ##STR1## wherein R.sub.3, R.sub.4, J, K, Z, and Het are as set forth herein are described.The compounds of formula I are useful as agents in the treatment of fungal infections.Type: GrantFiled: August 1, 1995Date of Patent: April 8, 1997Assignee: Schering CorporationInventors: Alan B. Cooper, Anil K. Saksena, Raymond Lovey, Viyyoor Girijavallabhan, Ashit Ganguly
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Patent number: 5559133Abstract: A compound represented by formula I, Ar.sub.1 --O--M--O--Ar.sub.2, wherein Ar.sub.1 and Ar.sub.2 are independently substituted phenyl or substituted pyridinyl, the substituents on said phenyl or pyridinyl being independently selected from one, two or three of (C.sub.1 -C.sub.10) alkyl, (C.sub.1 -C.sub.10) alkoxy, halogen, carbamyl, (C.sub.1 -C.sub.10) alkoxycarbonyl, oxazoyl, and (C.sub.1 -C.sub.10) alkyl substituted by halogen, (C.sub.1 -C.sub.10) alkoxy, hydroxy, or (C.sub.1 -C.sub.10) alkoxycarbonyl; ##STR1## O is oxygen; R' is (C.sub.1 -C.sub.3 alkyl or H; A is oxygen or sulfur; Q is selected from hydrogen, halogen, nitro, (C.sub.1 -C.sub.6) alkyl, (C.sub.1 C.sub.6) perhaloalkyl, (C.sub.1 -C.sub.6) alkylthio (C.sub.1 -C.sub.Type: GrantFiled: December 16, 1993Date of Patent: September 24, 1996Assignee: Schering CorporationInventors: Viyyoor M. Girijavallabhan, Ashit K. Ganguly, Richard W. Versace, Anil K. Saksena, Patrick A. Pinto
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Patent number: 5461055Abstract: Compounds of the formula ##STR1## wherein R.sub.3, R.sub.4, J, K, Z, and Het are as set forth herein are described.The compounds of formula I are useful as agents in the treatment of fungal infections.Type: GrantFiled: June 3, 1994Date of Patent: October 24, 1995Assignee: Schering CorporationInventors: Alan B. Cooper, Anil K. Saksena, Raymond Lovey, Viyyoor Girijavallabhan, Ashit Ganguly
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Patent number: 5403937Abstract: Disclosed is a process for preparing chiral compounds of the formula (I) ##STR1## wherein: X.sup.1 and X.sup.2 are independently F or Cl; and E is --SO.sub.2 R.sup.2, wherein R.sup.2 is C.sub.1 -C.sub.6 alkyl, --C.sub.6 H.sub.4 CH.sub.3 or --CF.sub.3 ; its enantiomer and racemates thereof, useful in the synthesis of tetrahydrofuran azole antifungals. Novel compounds of the formula ##STR2## wherein: X.sup.1 and X.sup.2 are independently F or Cl; B represents --C(O)Q* or --CH.sub.2 OR"; Q* represents a chiral auxiliary group; R" represents a hydroxy protecting group selected from --CH.sub.2 C.sub.6 H.sub.5, or --C(O)R.sup.1, wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl; and A represents Cl, Br, I or triazolyl; are also disclosed.Type: GrantFiled: April 30, 1993Date of Patent: April 4, 1995Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Russell E. Pike, Haiyan Wang, Raymond G. Lovey, Yi-Tsung Liu, Ashit K. Ganguly, William B. Morgan, Aleksey Zaks
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Patent number: 5371284Abstract: Phenyl acetylenic acetals and thioacetals and their use in the treatment of allergy, asthma, inflammation, arthritis, hyperproliferative skin disease, psoriasis or contact dermatitis are disclosed. Also disclosed are intermediates useful for producing said phenyl acetylenic acetals and thioacetals.Type: GrantFiled: July 23, 1993Date of Patent: December 6, 1994Assignee: Schering CorporationInventors: Richard J. Friary, Michael J. Green, Anil K. Saksena, Vera A. Seidl
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Patent number: 5346898Abstract: Compounds of the formula ##STR1## wherein R.sub.3, R.sub.4, J, K, Z, and Het are as set forth herein are described.The compounds of formula I are useful as agents in the treatment of fungal infections.Type: GrantFiled: June 18, 1992Date of Patent: September 13, 1994Assignee: Schering CorporationInventors: Alan B. Cooper, Anil K. Saksena, Raymond Lovey, Viyyoor Girijavallabhan, Ashit Ganguly
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Patent number: 5238926Abstract: Compounds of the formula ##STR1## or pharmaceutically acceptable salts thereof wherein R.sub.3, R.sub.4, R.sub.7, J, K, Z and Het are as set forth herein are described.The compounds of formula I are useful as agents in the treatment of fungal infections.Type: GrantFiled: August 7, 1992Date of Patent: August 24, 1993Assignee: Schering CorporationInventors: Alan B. Cooper, Anil K. Saksena, Raymond Lovey, Viyyoor Girijavallabhan, Ashit Ganguly
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Patent number: 5236900Abstract: Compounds of the formula ##STR1## wherein R.sub.9, J, K, Z and Het are as set forth herein as described. The compounds of formula I are useful as agents in the treatment of fungal infections.Type: GrantFiled: August 20, 1991Date of Patent: August 17, 1993Assignee: Schering CorporationInventors: Alan B. Cooper, Anil K. Saksena, Raymond Lovey, Viyyoor Girijavallabhan, Ashit Ganguly
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Patent number: 5039676Abstract: This invention relates to tri- and tetra-substituted-oxetanes, e.g. (.+-.)-cis- and (.+-.)-trans-2-[(4-(4-isopropylpiperazin-1-yl)phenoxy)methyl]-4-(2,4-dihal ophenyl)-4-[1H-1,2,4-triazol-1-yl)-methyl]oxetane and tri- and tetra-substituted-tetrahydrofurans, e.g. (.+-.)-cis- and (.+-.)-trans-1-[4-[[2-(2,4-dihalophenyl)tetrahydro-2-[(1H-azol-1-yl)methyl ]-5-furanylmethoxy]phenyl]-4-yl-1-substituted piperazine-3-one and related derivatives which exhibit antifungal and antiallergy activities, pharmaceutical composition thereof, methods of their use in treating or preventing susceptible fungal infections and allergic reactions in a host including warm-blooded animals such as humans.Type: GrantFiled: May 11, 1990Date of Patent: August 13, 1991Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Ashit K. Ganguly, Dinanath F. Rane
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Patent number: 5015739Abstract: Cyclopentyl purine derivatives, novel intermediate thereof and processes for their preparation are disclosed.Type: GrantFiled: April 22, 1988Date of Patent: May 14, 1991Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Ashit K. Ganguly
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Patent number: 4999428Abstract: Novel process for preparing cyclopentyl purine derivatives is disclosed.Type: GrantFiled: April 14, 1989Date of Patent: March 12, 1991Assignee: Schering CorporationInventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Ashit K. Ganguly
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Patent number: 4988716Abstract: Novel compounds and compositions which inhibit SRS-A in mammals are disclosed. Methods for preparing said compounds and compositions and methods for their use for treating allergic reactions, inflammation and for reducing the severity of myocardial infarction resulting from heart attack are disclosed.Useful intermediates for preparing said compounds are also disclosed.Type: GrantFiled: July 28, 1987Date of Patent: January 29, 1991Assignee: Schering CorporationInventors: Anil K. Saksena, Jesse K. Wong, Pietro Mangiaracina