Patents by Inventor Reiner Kunz

Reiner Kunz 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).

  • Process for producing sintered material based on aluminum oxide and titanium oxide
    Patent number: 5076815
    Abstract: By adding very-finely-divided or highly-dispersed titanium dioxide or aluminum titanate, optionally in a mixture with aluminum oxide, sintered products of great hardness, whose fracture toughness can be adjusted over a wide range, are obtained from aluminum hydroxide according to a sol-gel process depending on the selection of the sintering conditions. The materials are especially suitable as abrasives or for the production of ceramic powder or components.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: December 31, 1991
    Assignee: Lonza Ltd.
    Inventors: Reiner Kunz, Konrad Kampfer
  • Hydrophobically coated abrasive grain
    Patent number: 5042991
    Abstract: The strength and water resistance of the binding of abrasive grain on the basis of corundum or silicon carbide into synthetic resin bonded abrasive agents is improved by a surface treatment with microdispersed hydrophobic silicon dioxide.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: August 27, 1991
    Assignee: Lonza Ltd.
    Inventors: Reiner Kunz, Rudolf Strittmatter
  • Abrasives
    Patent number: 5026404
    Abstract: An abrasive grain with an aluminum oxide base which is distinguished by good throwing power and by a good capability of being integrated in flexible abrasives or in grinding wheels with artificial resin bonding.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: June 25, 1991
    Assignee: Lonza Ltd.
    Inventors: Reiner Kunz, Albert Babl, Ales Zahradnicek, Rainer Dietrich
  • Coated silicon carbide abrasive grain
    Patent number: 5009675
    Abstract: An abrasive grain on the basis of silicon carbide with a binder-free coating of highly dispersed silicon, aluminum or titanium oxide for preferred use in resin-bonded or ceramic-bonded abrasive wheels.
    Type: Grant
    Filed: June 8, 1989
    Date of Patent: April 23, 1991
    Assignee: Lonza LTD
    Inventors: Reiner Kunz, Rainer Dietrich
  • Abrasives
    Patent number: 5009674
    Abstract: An abrasive grain with an aluminum oxide base which is distinguished by good throwing power and by a good capability of being integrated in flexible abrasives or in grinding wheels with artificial resin bonding.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: April 23, 1991
    Inventors: Reiner Kunz, Albert Babl, Ales Zahradnicek, Rainer Dietrich