Patents by Inventor Jeffrey Joseph Sobczak

Jeffrey Joseph Sobczak 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).

  • Method of improving the drying time of a thick coating
    Patent number: 6645552
    Abstract: A method is disclosed of improving the drying time of a thick, exterior, waterborne coating containing a quick-setting binder by applying the coating as at least two separate layers and as “wet-on-wet” layers.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: November 11, 2003
    Assignee: Rohm and Haas Company
    Inventors: Donald Craig Schall, Jeffrey Joseph Sobczak
  • Method of applying traffic marking onto an oily road surface and traffic paints formulated therefor
    Publication number: 20030194486
    Abstract: A method for applying a traffic marker to road beds consisting of using a traffic paint which contains a polymer having a low molecular weight and a Tg of from −25° C. to 25° C., wherein the polymer is polymerized from a monomer mixture in which from 10% to 99.9%, by weight of the total polymer solids, consists of at least one hydrophobic monomer having a Hansch &pgr; value of at least 3.5. The traffic paint of the present invention readily adheres to oily road surfaces.
    Type: Application
    Filed: April 1, 2003
    Publication date: October 16, 2003
    Inventors: Ann Robertson Hermes, Donald Craig Schall, Jeffrey Joseph Sobczak
  • Method for producing fast drying multi-component waterborne coating compositions
    Patent number: 6475556
    Abstract: The invention relates to a method for producing a fast drying two or multi-component waterborne coating on a surface of a substrate. The method comprises applying a first component comprising a binder and a second component, being separate from the first component prior to application, comprising an absorber, and compositions and/or formulations prepared therefrom.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: November 5, 2002
    Assignee: Rohm and Haas Company
    Inventors: Jeffrey Joseph Sobczak, Ann Robertson Hermes, Donald Craig Schall, Angelo Sanfilippo
  • Method for producing fast-drying multi-component waterborne coating compositions
    Patent number: 6413011
    Abstract: A method for producing a fast-drying two or multi-component waterborne coating on a surface of a substrate is disclosed. The method includes applying a first component containing a binder composition, and a second component, being separate from the first component prior to application, including an absorber.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: July 2, 2002
    Assignee: Rohm and Haas Company
    Inventors: Jeffrey Joseph Sobczak, Angelo Sanfilippo, Ann Robertson Hermes, Donald Craig Schall