Patents by Inventor Pawan K. Agarwal

Pawan K. Agarwal 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: 4359547
    Abstract: This invention relates to pressure sensitive adhesive compositions which include an amine terminated polyalkylene oxide neutralized sulfonated thermoplastic polymer, wherein the neutralized sulfonated thermoplastic polymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated thermoplastic polymer, dissolved in a nonreactive solvent at a concentration level of about 5 grams to about 25 grams per 100 ml. of nonreactive solvent. To control the end use properties of the solvent-based pressure-sensitive formulations, optionally, tackifying resins can also be incorporated in the solution.
    Type: Grant
    Filed: August 12, 1981
    Date of Patent: November 16, 1982
    Assignee: Exxon Research and Engineering Co.
    Inventors: Pawan K. Agarwal, Henry S. Makowski, deceased
  • Patent number: 4338229
    Abstract: This invention relates to hot melt adhesive compositions which include a neutralized sulfonated elastomeric polymer, wherein the neutralized sulfonated elastomeric polymer has about 10 to about 100 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated elastomeric polymer, and about 25 to about 200 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, aliphatic dienes and mono- and di-olefins, cyclic olefins of 5 to 6 carbon atoms and hydrogenated poly cyclics per 100 parts by weight of the neutralized sulfonated elastomeric polymer. The hot melt adhesive composition can further include an unsaturated hydrocarbon resin such as polyisoprene.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: July 6, 1982
    Assignee: Exxon Research & Engineering Co.
    Inventors: Pawan K. Agarwal, Henry S. Makowski, deceased
  • Patent number: 4310457
    Abstract: This invention relates to hot melt adhesive compositions which includes a neutralized sulfonated polystyrene resin wherein the neutralized sulfonated polystyrene resin has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated polystyrene resin and about 25 to about 250 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, aliphatic dienes and mono and diolefins, cyclic olefins of 5 or 6 carbon atoms and hydrogenated poly cyclics per 100 parts by weight of the neutralized sulfonated polystyrene resin. Additionally, an unsaturated hydrocarbon polymer such as polyisoprene and polybutadiene can be incorporated into the adhesive compositions.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: January 12, 1982
    Assignee: Exxon Research & Engineering Co.
    Inventors: Pawan K. Agarwal, Henry S. Makowski, deceased
  • Patent number: 4304697
    Abstract: This invention relates to hot melt adhesive compositions which includes a neutralized sulfonated elastomeric polymer having about 5 to about 50 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated elastomeric polymer, and about 25 to about 250 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, aliphatic dienes and mono and diolefins, cyclic olefins of 5 or 6 carbon atoms and hydrogenated poly cyclics per 100 parts by weight of the neutralized sulfonated EPDM terpolymer.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: December 8, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventors: Pawan K. Agarwal, Robert D. Lundberg