Patents by Inventor Steven R. Zawacky

Steven R. Zawacky 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).

  • COATING COMPOSITIONS EXHIBITING CORROSION RESISTANCE PROPERTIES, RELATED COATED ARTICLES AND METHODS
    Publication number: 20140287256
    Abstract: Disclosed are coating compositions, such as primer compositions, suitable for providing corrosion protection to metal substrates, as well as related coated articles and methods.
    Type: Application
    Filed: April 24, 2014
    Publication date: September 25, 2014
    Inventors: Matthew S. Scott, Richard F. Syput, Steven R. Zawacky
  • Coating compositions exhibiting corrosion resistance properties, related coated articles and methods
    Patent number: 8748007
    Abstract: Disclosed are coating compositions, such as primer compositions, suitable for providing corrosion protection to metal substrates, as well as related coated articles and methods.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: June 10, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Matthew S. Scott, Richard F. Syput, Steven R. Zawacky
  • METHODS FOR PRODUCING 1,5,7-TRIAZABICYCLO[4.4.0]DEC-5-ENE BY REACTION OF A DISUBSTITUTED CARBODIIMIDE AND DIPROPYLENE TRIAMINE
    Publication number: 20130289272
    Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.
    Type: Application
    Filed: April 25, 2012
    Publication date: October 31, 2013
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Christopher Dacko, Richard F. Karabin, Craig Wilson, Steven R. Zawacky
  • METHODS FOR PRODUCING 1,5,7-TRIAZABICYCLO[4.4.0]DEC-5-ENE BY REACTION OF A DISUBSTITUTED CARBODIIMIDE AND DIPROPYLENE TRIAMINE
    Publication number: 20130289273
    Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.
    Type: Application
    Filed: February 28, 2013
    Publication date: October 31, 2013
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Christopher A. Dacko, Richard F. Karabin, Craig A. Wilson, Steven R. Zawacky, Gregory J. McCollum
  • Preparation of bicyclic guanidine salts in an aqueous media
    Patent number: 8563560
    Abstract: Disclosed herein are bicyclic guanidine salts, useful as cure catalysts for electrodeposited coatings. The bicyclic guanidine salts are formed as the reaction product of reactants comprising (a) a compound having the general formula CXn, wherein X is N, O, or S and wherein n is 2 to 4; (b) an acid; (c) dipropylene triamine; and (d) water, and an associated method for forming a bicyclic guanidine salt from the same reaction ingredients.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: October 22, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Christopher A. Dacko, Steven R. Zawacky, Gregory J. McCollum
  • Cationic electrodepositable coating composition comprising lignin
    Patent number: 8497359
    Abstract: A cationic electrodepositable coating composition is disclosed. The present invention in directed to a cationic electrodepositable coating composition comprising a lignin-containing cationic salt resin, that comprises (A) the reaction product of: lignin, an amine, and a carbonyl compound; (B) the reaction product of lignin, epichlorohydrin, and an amine; or (C) combinations thereof.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: July 30, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: David Fenn, Mark P. Bowman, Steven R. Zawacky, Ellor J. Van Buskirk, Peter Kamarchik
  • Method for producing bicyclic guanidines by use of a cyclic thiourea
    Patent number: 8492542
    Abstract: The present invention is directed to a method producing bicyclic guanidine comprising heating a cyclic thiourea to a temperature ranging from ?140° C. in a substantially non-hydrocarbon solvent to form the bicyclic guanidine.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: July 23, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Britt A. Minch, Charles R. Hickenboth, Richard F. Karabin, Steven R. Zawacky, Thomas R. Hockswender, Gregory J. McCollum
  • Method for producing bicyclic guanidines by use of a cyclic urea and a dehydrating agent
    Patent number: 8334380
    Abstract: The present invention is directed to a method for producing bicyclic guanidines comprising heating a reaction mixture comprising cyclic urea and a dehydrating agent to a temperature ?90° C.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: December 18, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Donald W. Boyd, Venkatachalam Eswarakrishnan, Charles R. Hickenboth, Richard F. Karabin, Gregory J. McCollum, Britt A. Minch, Thomas C. Moriarity, Steven R. Zawacky
  • Method of making a cyclic guanidine from dicyandiamide and coating compositions containing same
    Patent number: 8288504
    Abstract: The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a cyanamide, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: October 16, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Steven R. Zawacky, Charles R. Hickenboth, Richard F. Karabin, Gregory J. McCollum, Thomas C. Moriarity
  • Method of making a cyclic guanidine from a guanidinium salt and a weak acid and coating compositions containing the same
    Patent number: 8148490
    Abstract: The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a guanidinium, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: April 3, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Gregory J. McCollum, Charles R. Hickenboth, Richard F. Karabin, Thomas C. Moriarity, Steven R. Zawacky
  • Triamine/aspartate curative and coatings comprising the same
    Patent number: 8137813
    Abstract: A coating composition is disclosed comprising polyurea formed from a reaction mixture comprising isocyanate and a triamine/aspartate reaction product resulting from a Michael addition reaction of a triamine with a dialkyl maleate and/or a dialkyl fumarate. The reaction product has a viscosity of less than 2000 cPs, and the triamine has the structure: wherein each n is the same or different and is any integer. Substrates coated with these polyurea coatings comprising this reaction product are also disclosed.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: March 20, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Howard Senkfor, Thomas R Hockswender, Steven V. Barancyk, Jonathan T. Martz, Steven R. Zawacky
  • Method for producing bicyclic guanidines by use of a cyclic urea
    Patent number: 8039618
    Abstract: The present invention is directed to a method for producing bicyclic guanidines comprising heating a cyclic urea to a temperature >200° C. to form the bicyclic guanidines.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: October 18, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Britt A. Minch, Charles R. Hickenboth, Richard F. Karabin, Steven R. Zawacky, Gregory J. McCollum
  • METHOD OF MAKING A CYCLIC GUANIDINE FROM A GUANIDINIUM SALT AND A WEAK ACID AND COATING COMPOSITIONS CONTAINING THE SAME
    Publication number: 20110224328
    Abstract: The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a guanidinium, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine.
    Type: Application
    Filed: March 10, 2010
    Publication date: September 15, 2011
    Inventors: Gregory J. McCollum, Charles R. Hickenboth, Richard F. Karabin, Thomas C. Moriarity, Steven R. Zawacky
  • METHOD OF MAKING A CYCLIC GUANIDINE FROM DICYANDIAMIDE AND COATING COMPOSITIONS CONTAINING SAME
    Publication number: 20110224403
    Abstract: The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a cyanamide, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine.
    Type: Application
    Filed: March 10, 2010
    Publication date: September 15, 2011
    Inventors: Steven R. Zawacky, Charles R. Hickenboth, Richard F. Karabin, Gregory J. McCollum, Thomas C. Moriarity
  • CATIONIC ELECTRODEPOSITABLE COATING COMPOSITION COMPRISING LIGNIN
    Publication number: 20110213057
    Abstract: A cationic electrodepositable coating composition is disclosed.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 1, 2011
    Inventors: David Fenn, Mark P. Bowman, Steven R. Zawacky, Ellor J. Van Buskirk, Peter Kamarchik
  • Triamine/aspartate curative and coatings comprising the same
    Patent number: 7968212
    Abstract: The reaction product of a triamine and a dialkyl maleate and/or dialkyl fumarate, wherein the reaction product has a viscosity of less than 2000 cPs is disclosed. Polyurea coatings comprising this reaction product are also disclosed, as are substrates coated with the same.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: June 28, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Howard Senkfor, Thomas R. Hockswender, Steven V. Barancyk, Jonathan T. Martz, Steven R. Zawacky
  • ELECTRODEPOSITABLE COATING COMPOSITION CONTAINING A CYCLIC GUANIDINE
    Publication number: 20110005937
    Abstract: The present invention is directed towards an electrocoating composition comprising a cyclic guanidine.
    Type: Application
    Filed: September 17, 2010
    Publication date: January 13, 2011
    Inventors: Steven R. Zawacky, Thomas C. Moriarity, Donald W. Boyd, Geoffrey R. Webster, Joseph Lucas, Alan J. Kaylo, Chester J. Szymanski, Venkatachalam Eswarakrishnan
  • Electrodepositable coating composition containing a cyclic guanidine
    Patent number: 7842762
    Abstract: The present invention is directed towards an electrocoating composition comprising a cyclic guanidine.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: November 30, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Steven R. Zawacky, Thomas C. Moriarity, Donald W. Boyd, Geoffrey R. Webster, Joseph Lucas, Alan J. Kaylo, Chester J. Szymanski, Venkatachalam Eswarakrishnan
  • COATING COMPOSITIONS EXHIBITING CORROSION RESISTANCE PROPERTIES, RELATED COATED ARTICLES AND METHODS
    Publication number: 20100044235
    Abstract: Disclosed are coating compositions, such as primer compositions, suitable for providing corrosion protection to metal substrates, as well as related coated articles and methods.
    Type: Application
    Filed: October 23, 2009
    Publication date: February 25, 2010
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Matthew S. Scott, Richard F. Syput, Steven R. Zawacky
  • METHOD FOR PRODUCING BICYCLIC GUANIDINES BY USE OF A CYCLIC THIOUREA
    Publication number: 20090286978
    Abstract: The present invention is directed to a method producing bicyclic guanidine comprising heating a cyclic thiourea to a temperature ranging from ?140° C. in a substantially non-hydrocarbon solvent to form the bicyclic guanidine.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 19, 2009
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Britt A. Minch, Charles R. Hickenboth, Richard F. Karabin, Steven R. Zawacky, Thomas R. Hockswender, Gregory J. McCollum