Patents by Inventor Michiharu Kitabatake

Michiharu Kitabatake 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: 6369133
    Abstract: Polyester-based aqueous coating compositions comprising a mixture of a carboxyl-functional polyester resin (A), a water-insoluble epoxy resin (B), and a hydrophobic solvent (C), the mixture being neutralized with neutralizer (D) and dispersed or dissolved in water. The compositions have excellent film forming and processing characteristics, and are particularly useful in coating the interior surface of cans and as automobile coatings.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: April 9, 2002
    Assignee: Kansai Paint Co., Ltd.
    Inventor: Michiharu Kitabatake
  • Publication number: 20010047057
    Abstract: Polyester-based aqueous coating compositions comprising a mixture of a carboxyl-functional polyester resin (A), a water-insoluble epoxy resin (B), and a hydrophobic solvent (C), the mixture being neutralized with neutralizer (D) and dispersed or dissolved in water. The compositions have excellent film forming and processing characteristics, and are particularly useful in coating the interior surface of cans and as automobile coatings.
    Type: Application
    Filed: March 2, 2001
    Publication date: November 29, 2001
    Inventor: Michiharu Kitabatake
  • Patent number: 4977203
    Abstract: A coating resin composition comprising, as a coating-forming resin binder, an epoxy resin derivative containing a functional group represented by the following formula ##STR1## wherein R.sub.1 represents a hydrogen atom or methyl group; each of R.sub.2 and R.sub.3 represents a C.sub.1 -C.sub.5 alkyl group independently of the other;R.sub.4 represents a C.sub.2 -C.sub.6 alkylene group in which an ether group (--O--) may be present in the carbon chain; andn represents an integer from 1 to 6.This coating resin composition is useful for cathodic electrodeposition coating.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: December 11, 1990
    Assignee: Kansai Paint Co., Ltd.
    Inventor: Michiharu Kitabatake
  • Patent number: 4883830
    Abstract: A coating resin composition comprising mainly an epoxy-polyamine resin obtained by adding (d) an amine compound having active hydrogen to an epoxy resin, said epoxy resin being a reaction product of(a) a diepoxide compound represented by the following formula (I) ##STR1## wherein R represents a lower alkyl group or --CH.sub.2 OR' wherein R' represents a hydrocarbon group having 1 to 10 carbon atoms, and m+n is an integer of 1 to 6(b) a bisphenol, and(c) optionally, a bisphenol diglycidylether,(d) an amine compound having active hydrogen.
    Type: Grant
    Filed: November 3, 1988
    Date of Patent: November 28, 1989
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Michiharu Kitabatake, Akira Tominaga