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).

  • Patent number: 10632059
    Abstract: 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: Grant
    Filed: November 17, 2016
    Date of Patent: April 28, 2020
    Assignee: ISP INVESTMENTS LLC
    Inventors: Michael A. Tallon, Donald I. Prettypaul, Drupesh Patel, Mousumi Ghosh, Osama M. Musa
  • Patent number: 10233276
    Abstract: 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: Grant
    Filed: March 30, 2015
    Date of Patent: March 19, 2019
    Assignee: ISP Investments LLC
    Inventors: Michael A. Tallon, Mousumi Ghosh, Krishnamurthy Nacharaju, Hani M. Fares, Donald I Prettypaul, Osama M. Musa
  • Publication number: 20180333345
    Abstract: 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: Application
    Filed: November 17, 2016
    Publication date: November 22, 2018
    Applicant: ISP INVESTMENTS LLC
    Inventors: Michael A. TALLON, Donald I. PRETTYPAUL, Drupesh PATEL, Mousumi GHOSH, Osama M. MUSA
  • Publication number: 20170174809
    Abstract: 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: Application
    Filed: March 30, 2015
    Publication date: June 22, 2017
    Applicant: ISP Investments LLC
    Inventors: Michael A. TALLON, Mousumi GHOSH, Krishnamurthy NACHARAJU, Hani M. FARES, Donald I PRETTYPAUL, Osama M. Musa
  • Patent number: 8034960
    Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H? R3 is H.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: October 11, 2011
    Assignee: 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
  • Publication number: 20110054189
    Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H, R3 is H, and R4 is H.
    Type: Application
    Filed: November 11, 2010
    Publication date: March 3, 2011
    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
  • Patent number: 7842837
    Abstract: 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: Grant
    Filed: August 18, 2009
    Date of Patent: November 30, 2010
    Assignee: Wyeth LLC
    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
  • Patent number: 7838550
    Abstract: 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: Grant
    Filed: February 15, 2007
    Date of Patent: November 23, 2010
    Assignee: Wyeth LLC
    Inventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Panolil Raveendranath
  • Patent number: 7687666
    Abstract: 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: Grant
    Filed: February 15, 2007
    Date of Patent: March 30, 2010
    Assignee: Wyeth
    Inventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Arkadiy Rubezhov, Panolil Raveendranath, Joseph Zeldis
  • Publication number: 20090306428
    Abstract: 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: Application
    Filed: August 18, 2009
    Publication date: December 10, 2009
    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
  • Patent number: 7582772
    Abstract: 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: Grant
    Filed: August 18, 2005
    Date of Patent: September 1, 2009
    Assignee: Wyeth
    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
  • Patent number: 7557237
    Abstract: 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: Grant
    Filed: September 1, 2004
    Date of Patent: July 7, 2009
    Assignee: Wyeth
    Inventors: Yanzhong Wu, Jianxin Ren, Mousumi Ghosh, Mahmut Levent, Karen W. Sutherland, Panolil Raveendranath
  • Publication number: 20090023903
    Abstract: 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: Application
    Filed: July 14, 2008
    Publication date: January 22, 2009
    Applicant: Wyeth
    Inventors: 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
  • Publication number: 20080146645
    Abstract: 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: Application
    Filed: August 22, 2007
    Publication date: June 19, 2008
    Applicant: Wyeth
    Inventors: 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
  • Patent number: 7321061
    Abstract: 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: Grant
    Filed: February 23, 2005
    Date of Patent: January 22, 2008
    Assignee: Wyeth
    Inventors: Ronald S. Michalak, Mousumi Ghosh, Mahmut Levent
  • Publication number: 20070197800
    Abstract: 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: Application
    Filed: February 15, 2007
    Publication date: August 23, 2007
    Applicant: Wyeth
    Inventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Panolil Raveendranath
  • Publication number: 20070197830
    Abstract: 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: Application
    Filed: February 15, 2007
    Publication date: August 23, 2007
    Applicant: Wyeth
    Inventors: Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Arkadiy Rubezhov, Panolil Raveendranath, Joseph Zeldis
  • Publication number: 20060041005
    Abstract: 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: Application
    Filed: August 18, 2005
    Publication date: February 23, 2006
    Applicant: Wyeth
    Inventors: Ronald Michalak, Mahmut Levent, Frederick Vyverberg, Ara Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
  • Publication number: 20050187408
    Abstract: 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: Application
    Filed: February 23, 2005
    Publication date: August 25, 2005
    Applicant: Wyeth
    Inventors: Ronald Michalak, Mousumi Ghosh, Mahmut Levent
  • Publication number: 20050054870
    Abstract: 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: Application
    Filed: September 1, 2004
    Publication date: March 10, 2005
    Applicant: Wyeth
    Inventors: Yanzhong Wu, Jianxin Ren, Mousumi Ghosh, Mahmut Levent, Karen Sutherland, Panolil Raveendranath