Patents by Inventor Mousumi Ghosh
Mousumi Ghosh 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: 10632059Abstract: The invention provides non-aqueous compositions comprising film forming polymers comprising repeating units derived from: (a) at least one monomer comprising at least one functionalized or unfunctionalized acryloyl moiety and at least one lactam moiety; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C7 alkyl (alk)acrylates, C1-C7 alkyl (alk)acrylamides, and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C60 alkyl (alk)acrylates, C8-C60 (alk)alkyl acrylamides, and combinations thereof. The invention further provides applications of these compositions in various industrial arts, particularly in personal care. The invention furthermore provides water-resistant non-aqueous personal care compositions. Variables a, b and c are described herein.Type: GrantFiled: November 17, 2016Date of Patent: April 28, 2020Assignee: ISP INVESTMENTS LLCInventors: Michael A. Tallon, Donald I. Prettypaul, Drupesh Patel, Mousumi Ghosh, Osama M. Musa
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Patent number: 10233276Abstract: The invention provides polymers comprising repeating units derived from (a) from 16% by weight to about 35% by weight of said polymer of at least one N-vinyl lactam monomer; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C6 alkyl (meth)acrylates, C1-C6 alkyl (meth)acrylamides and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C30 branched alkyl (meth)acrylates, C8-C30 branched alkyl (meth)acrylamides, and combinations thereof; wherein the polymer has a glass transition temperature of greater than about 45° C. The invention further provides various compositions, such as, personal care, sun care, coatings, and pharmaceutical compositions comprising the polymers described herein. The invention furthermore provides water-resistant sun care compositions comprising the polymers described herein. Subscripts x, y and z are described herein.Type: GrantFiled: March 30, 2015Date of Patent: March 19, 2019Assignee: ISP Investments LLCInventors: Michael A. Tallon, Mousumi Ghosh, Krishnamurthy Nacharaju, Hani M. Fares, Donald I Prettypaul, Osama M. Musa
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Publication number: 20180333345Abstract: The invention provides non-aqueous compositions comprising film forming polymers comprising repeating units derived from: (a) at least one monomer comprising at least one functionalized or unfunctionalized acryloyl moiety and at least one lactam moiety; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C7 alkyl (alk)acrylates, C1-C7 alkyl (alk)acrylamides, and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C60 alkyl (alk)acrylates, C8-C60 (alk)alkyl acrylamides, and combinations thereof. The invention further provides applications of these compositions in various industrial arts, particularly in personal care. The invention furthermore provides water-resistant non-aqueous personal care compositions. Variables a, b and c are described herein.Type: ApplicationFiled: November 17, 2016Publication date: November 22, 2018Applicant: ISP INVESTMENTS LLCInventors: Michael A. TALLON, Donald I. PRETTYPAUL, Drupesh PATEL, Mousumi GHOSH, Osama M. MUSA
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Publication number: 20170174809Abstract: The invention provides polymers comprising repeating units derived from (a) from 16% by weight to about 35% by weight of said polymer of at least one N-vinyl lactam monomer; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C6 alkyl (meth)acrylates, C1-C6 alkyl (meth)acrylamides and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C30 branched alkyl (meth)acrylates, C8-C30 branched alkyl (meth)acrylamides, and combinations thereof; wherein the polymer has a glass transition temperature of greater than about 45° C. The invention further provides various compositions, such as, personal care, sun care, coatings, and pharmaceutical compositions comprising the polymers described herein. The invention furthermore provides water-resistant sun care compositions comprising the polymers described herein. Subscripts x, y and z are described herein.Type: ApplicationFiled: March 30, 2015Publication date: June 22, 2017Applicant: ISP Investments LLCInventors: Michael A. TALLON, Mousumi GHOSH, Krishnamurthy NACHARAJU, Hani M. FARES, Donald I PRETTYPAUL, Osama M. Musa
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Patent number: 8034960Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H? R3 is H.Type: GrantFiled: November 11, 2010Date of Patent: October 11, 2011Assignee: Pfizer Inc.Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
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Publication number: 20110054189Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H, R3 is H, and R4 is H.Type: ApplicationFiled: November 11, 2010Publication date: March 3, 2011Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
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Patent number: 7842837Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.Type: GrantFiled: August 18, 2009Date of Patent: November 30, 2010Assignee: Wyeth LLCInventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
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Patent number: 7838550Abstract: Processes for preparing sulfonamide trifluoroalkyl substituted alcohol compounds are provided. Desirably, the compounds are heterocyclic sulfonamide trifluoroalkyl substituted alcohol compounds or phenyl sulfonamide trifluoroalkyl substituted alcohol compounds.Type: GrantFiled: February 15, 2007Date of Patent: November 23, 2010Assignee: Wyeth LLCInventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Panolil Raveendranath
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Patent number: 7687666Abstract: Processes for preparing amino alcohols or salts thereof and sulfonamide substituted alcohol compounds are provided. Desirably, the sulfonamide substituted alcohol compounds are heterocyclic sulfonamide trifluoroalkyl-substituted alcohol compounds or phenyl sulfonamide trifluoroalkyl-substituted alcohol compounds.Type: GrantFiled: February 15, 2007Date of Patent: March 30, 2010Assignee: WyethInventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Arkadiy Rubezhov, Panolil Raveendranath, Joseph Zeldis
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Publication number: 20090306428Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.Type: ApplicationFiled: August 18, 2009Publication date: December 10, 2009Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
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Patent number: 7582772Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.Type: GrantFiled: August 18, 2005Date of Patent: September 1, 2009Assignee: WyethInventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
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Patent number: 7557237Abstract: A process for making a compound of formula I and intermediate compounds thereof, wherein R1 is CN, F or Cl; R2 is H or Br; and R3 and R4 are each independently H or F. The compounds of formula I are useful in the treatment of chronic inflammatory diseases, such as rheumatoid arthritis.Type: GrantFiled: September 1, 2004Date of Patent: July 7, 2009Assignee: WyethInventors: Yanzhong Wu, Jianxin Ren, Mousumi Ghosh, Mahmut Levent, Karen W. Sutherland, Panolil Raveendranath
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Publication number: 20090023903Abstract: A novel trifluoroacetylating agent, i.e., N-trifluoroacetylmorpholine, is described. This reagent is useful in the preparation of phenyl and heterocyclic sulfonamide compounds. Methods are therefore described for preparing sulfonamide compounds of the following structure, wherein R1 and R2 are defined herein, using N-trifluoroacetylmorpholine. The sulfonamide compounds that may be prepared as described herein include 5-chloro-thiophene-2-sulfonic acid [(1S,2R)-2-(3,5-difluoro-phenyl)-3,3,3-trifluoro-1-hydroxymethyl-propyl]-amide using N-trifluoroacetylmorpholine.Type: ApplicationFiled: July 14, 2008Publication date: January 22, 2009Applicant: WyethInventors: Terrence Joseph Connolly, Anita Wai-Yin Chan, Zhixian Ding, Mousumi Ghosh, Xinxu Shi, Jianxin Ren, Eric Hansen, Roger Farr, Michael MacEwan, Asaf Alimardanov, Antonia Nikitenko, John Potoski
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Publication number: 20080146645Abstract: Processes are disclosed for preparing indolinone phenylaminopropanol derivatives, particularly chiral indolinone phenylaminopropanol derivatives of the general formula: The processes disclosed may be used to prepare, inter alia, 7-fluoro-1-[(1S, 2R)-1-(3-fluorophenyl)-2-hydroxy-3-(methylamino)propyl]-3,3-dimethyl-1,3-dihydro-2H-indol-2-one and 7-fluoro-1-[(1S, 2R)-1-(3,5-difluorophenyl)-2-hydroxy-3-(methylamino)propyl]-3,3-dimethyl-1,3-dihydro-2H-indol-2-one. Intermediates of the processes are also disclosed.Type: ApplicationFiled: August 22, 2007Publication date: June 19, 2008Applicant: WyethInventors: Anita Wai-Yin Chan, Zhixian Ding, Mousumi Ghosh, Mahmut Levent, Panolil Raveendranath, Jianxin Ren, Maotang Zhou, Asaf Alimardanov, Alexander V. Gontcharov, Antonia A. Nikitenko, John R. Potoski, Girija Raveendranath, Vijay Raveendranath, Sanjay Raveendranath
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Patent number: 7321061Abstract: The present invention provides processes for the preparation of arylalkylsulfonyl halides and heteroarylalkylsufonyl halides of Formula I: Ar—R—SO2—X, that are useful as intermediates in the preparation of pharmaceuticals.Type: GrantFiled: February 23, 2005Date of Patent: January 22, 2008Assignee: WyethInventors: Ronald S. Michalak, Mousumi Ghosh, Mahmut Levent
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Publication number: 20070197800Abstract: Processes for preparing sulfonamide trifluoroalkyl substituted alcohol compounds are provided. Desirably, the compounds are heterocyclic sulfonamide trifluoroalkyl substituted alcohol compounds or phenyl sulfonamide trifluoroalkyl substituted alcohol compounds.Type: ApplicationFiled: February 15, 2007Publication date: August 23, 2007Applicant: WyethInventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Panolil Raveendranath
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Publication number: 20070197830Abstract: Processes for preparing amino alcohols or salts thereof and sulfonamide substituted alcohol compounds are provided. Desirably, the sulfonamide substituted alcohol compounds are heterocyclic sulfonamide trifluoroalkyl-substituted alcohol compounds or phenyl sulfonamide trifluoroalkyl-substituted alcohol compounds.Type: ApplicationFiled: February 15, 2007Publication date: August 23, 2007Applicant: WyethInventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Arkadiy Rubezhov, Panolil Raveendranath, Joseph Zeldis
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Publication number: 20060041005Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.Type: ApplicationFiled: August 18, 2005Publication date: February 23, 2006Applicant: WyethInventors: Ronald Michalak, Mahmut Levent, Frederick Vyverberg, Ara Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
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Publication number: 20050187408Abstract: The present invention provides processes for the preparation of arylalkylsulfonyl halides and heteroarylalkylsufonyl halides of Formula I: Ar—R—SO2—X, that are useful as intermediates in the preparation of pharmaceuticals.Type: ApplicationFiled: February 23, 2005Publication date: August 25, 2005Applicant: WyethInventors: Ronald Michalak, Mousumi Ghosh, Mahmut Levent
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Publication number: 20050054870Abstract: A process for making a compound of formula I and intermediate compounds thereof, wherein R1 is CN, F or Cl; R2 is H or Br; and R3 and R4 are each independently H or F. The compounds of formula I are useful in the treatment of chronic inflammatory diseases, such as rheumatoid arthritis.Type: ApplicationFiled: September 1, 2004Publication date: March 10, 2005Applicant: WyethInventors: Yanzhong Wu, Jianxin Ren, Mousumi Ghosh, Mahmut Levent, Karen Sutherland, Panolil Raveendranath