Patents by Inventor Sekhar Mitra

Sekhar Mitra 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: 6692727
    Abstract: Disclosed is a system for delivering an oral care substance to the oral cavity comprising: (a) a delivery composition comprised of: (i) an organosiloxane resin; (ii) a volatile carrier capable of solubilizing the organosiloxane resin; (iii) a rheology modifier; and (iv) at least one oral care substance; and (b) a protective composition comprised of: (i) an organosiloxane resin; and (ii) a volatile carrier capable of solubilizing the organosiloxane resin. Further disclosed is a system for delivering an oral care substance to the oral cavity comprising: (a) a delivery composition comprised of: (i) an organosiloxane resin; (ii) a fluid diorganopolysiloxane-based polymer; (iii) a volatile carrier capable of solubilizing the organosiloxane resin and the fluid diorganopolysiloxane-based polymer; (iv) a rheology modifier; and (v) at least one oral care substance; and (b) a protective composition comprised of: (i) an organosiloxane resin; and (ii) a volatile carrier capable of solubilizing the organosiloxane resin.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: February 17, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Jiang Yue, Sekhar Mitra
  • Patent number: 6589512
    Abstract: Disclosed is a composition for delivering an oral care substance to the oral cavity, comprising: (a) an organosiloxane resin; (b) a volatile carrier capable of solubilizing the organosiloxane resin; (c) a rheology modifier; and (d) at least one oral care substance. The present invention is also directed to such compositions comprising: (a) an organosiloxane resin; (b) a fluid diorganopolysiloxane polymer; (c) a volatile carrier capable of solubilizing the organosiloxane resin and the fluid diorganopolysiloxane polymer; (d) a rheology modifier; and (e) at least one oral care substance. Further disclosed is a method of using these compositions.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: July 8, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Jiang Yue, Mark Matthew Crisanti, Satyanarayana Najeti, Steven Carl Burgess, Li Li, Sekhar Mitra
  • Publication number: 20030003061
    Abstract: Disclosed are oral compositions comprising: (a) an effective amount of one or more linear polyphosphates having an average chain length of about 4 or more; (b) from about 0.15% to about 5% of a fluoride ion source; (c) from about 0.1% to about 15% of a stannous ion source; (d) an effective amount of a buffering agent; (e) from about 6% to about 70% of an abrasive polishing material containing less than 23% calcium; and (f) from about 40% to about 99% of one or more aqueous carriers; wherein the oral composition has a total water content of from about 1% to about 20%.
    Type: Application
    Filed: August 14, 2002
    Publication date: January 2, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Jiang Yue, Sekhar Mitra, Yujun Li, Hsiang-Kuen Mao, Baoan Li
  • Patent number: 5890486
    Abstract: The present invention relates to a nasal dilator which comprises a means for dilating the nostrils and a thermal element, which can be worn on the nose of a human for an extended period of time, as well as a method of treatment for relief of nasal congestion/blockage, sinus discomfort and pain, and other cold and/or allergy symptoms associated therewith, by applying said nasal dilator to the nose of a human in need of such treatment.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: April 6, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Sekhar Mitra, Brian Joseph McCormick, Kishor Jivanlal Desai, Jeffrey Alan Darner, Michael James Simone
  • Patent number: 5760085
    Abstract: The present invention relates to topical aromatic releasing compositions containing one or more volatile aromatic compounds selected from the group consisting of 3-1-menthoxy propane-1,2-diol, N-substituted-p-menthane-3-carboxamides and acyclic carboxamides and mixtures thereof. In further embodiments, these compositions are also useful for providing relief from nasal symptoms.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: June 2, 1998
    Assignee: The Procter & Gamble Company
    Inventors: William Fletcher Beck, Sekhar Mitra
  • Patent number: 5686089
    Abstract: The present invention relates to improved topical pharmaceutical compositions having improved aesthetics which are useful for imparting antimicrobial actives. In particular, it relates to topical moisturizing compositions containing one or more antimicrobial active compounds. These compositions are also useful for providing relief from symptoms associated with, for example, vaginal yeast infections.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: November 11, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Sekhar Mitra, George Endel Deckner
  • Patent number: 5686088
    Abstract: The present invention relates to improved topical pharmaceutical compositions in the form of a wipe or towelette having improved aesthetics which are useful for imparting antimicrobial actives. In particular, it relates to topical moisturizing wipe compositions containing one or more antimicrobial active compounds. These compositions are also useful for providing relief from symptoms associated with, for example, vaginal yeast infections.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: November 11, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Sekhar Mitra, George Endel Deckner
  • Patent number: 5648358
    Abstract: The present invention relates to compositions and methods for providing improved treatment, management or mitigation of cold, cold-like, allergy, sinus and/or flu symptoms by administering a safe and effective amount of a composition comprising caffeine and certain pyrrolidine and piperidine ether antihistaminic agents.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: July 15, 1997
    Inventor: Sekhar Mitra
  • Patent number: 5192752
    Abstract: Oral pharmaceutical compositions in unit dosage form suitable for swallowing (especially capsules) comprising a safe and effective amount of solid Colloidal Bismuth Subcitrate (CBS), and optionally one or more pharmaceutically-acceptable carrier materials, wherein the packing density of the dosage unit is less than about 1 g/ml.
    Type: Grant
    Filed: January 14, 1991
    Date of Patent: March 9, 1993
    Assignee: The Procter & Gamble Company
    Inventors: Francis B. Chapura, Sekhar Mitra
  • Patent number: 5128140
    Abstract: Oral pharmaceutical compositions in unit dosage form suitable for swallowing (especially capsules) comprising a safe and effective amount of a soluble bismuth-containing pharmaceutical agent (preferably a pharmaceutically-acceptable salt suitable for oral co-administration of bismuth and an H.sub.2 receptor blocking anti-secretory agent), and optionally one or more pharmaceutically-acceptable carrier materials, wherein the packing density of the dosage unit is less than about 1 g/ml.
    Type: Grant
    Filed: January 14, 1991
    Date of Patent: July 7, 1992
    Assignee: The Procter & Gamble Company
    Inventors: Francis B. Chapura, Sekhar Mitra
  • Patent number: 4822599
    Abstract: Methods which reduce natural stain from teeth are described.
    Type: Grant
    Filed: August 26, 1987
    Date of Patent: April 18, 1989
    Assignee: The Procter & Gamble Company
    Inventor: Sekhar Mitra