Patents by Inventor Sandeep Kulkarni

Sandeep Kulkarni 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).

  • Paper articles exhibiting long term storageability and method for making same
    Publication number: 20040084163
    Abstract: A method for increasing the long term storageability of a cellulosic paper or paperboard product. The method includes providing a paper or paperboard product made from cellulosic fibers having a basis weight ranging from about 80 to about 300 pounds per 3000 square feet. A holdout material is applied to at least one surface of the paper or paperboard product. The web is then coated with an ink receptive material selected from the group consisting of an aqueous acrylic polymer coating material, an aqueous biocidal agent and a combination of aqueous acrylic polymer coating material and aqueous biocidal agent and dried to provide a paper or paperboard product having enhanced long term storageability. Webs made according to the invention are suitable for making file folders which exhibit improve long term storageability by resisting damage from moisture and/or biological activity.
    Type: Application
    Filed: October 15, 2003
    Publication date: May 6, 2004
    Inventors: Sandeep Kulkarni, Yuan Ling, Rick Williams, Victor P. Holbert
  • Paper articles exhibiting long term storageability and method for making same
    Patent number: 6645642
    Abstract: A method for increasing the long term storageability of a cellulosic paper or paperboard product. The method includes providing a paper or paperboard product made from cellulosic fibers having a basis weight ranging from about 80 to about 300 pounds per 3000 square feet. A holdout material is applied to at least one surface of the paper or paperboard product. The web is then coated with an ink receptive material selected from the group consisting of an aqueous acrylic polymer coating material, an aqueous biocidal agent and a combination of aqueous acrylic polymer coating material and aqueous biocidal agent and dried to provide a paper or paperboard product having enhanced long term storageability. Webs made according to the invention are suitable for making file folders which exhibit improve long term storageability by resisting damage from moisture and/or biological activity.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: November 11, 2003
    Assignee: International Papar Company
    Inventors: Sandeep Kulkarni, Yuan Ling, Rick Williams, Victor P. Holbert
  • Paper articles exhibiting long term storageability and method for making same
    Publication number: 20020182381
    Abstract: A method for increasing the long term storageability of a cellulosic paper or paperboard product. The method includes providing a paper or paperboard product made from cellulosic fibers having a basis weight ranging from about 80 to about 300 pounds per 3000 square feet. A holdout material is applied to at least one surface of the paper or paperboard product. The web is then coated with an ink receptive material selected from the group consisting of an aqueous acrylic polymer coating material, an aqueous biocidal agent and a combination of aqueous acrylic polymer coating material and aqueous biocidal agent and dried to provide a paper or paperboard product having enhanced long term storageability. Webs made according to the invention are suitable for making file folders which exhibit improve long term storageability by resisting damage from moisture and/or biological activity.
    Type: Application
    Filed: April 5, 2002
    Publication date: December 5, 2002
    Inventors: Sandeep Kulkarni, Yuan Ling, Rick Williams, Victor P. Holbert