Patents by Inventor L. Peter Farkas

L. Peter Farkas 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 the preparation of aluminum oxide carboxylate polymers containing at most two percent by weight of ester
    Patent number: 5075473
    Abstract: The invention relates to a novel process for the preparation of aluminum oxide carboxylate polymers containing at most 2% by weight of ester by reacting an aluminum alkoxide of the general formula Al(OR).sub.3, wherein R stands for a C.sub.2-5 alkyl group, dissolved in an aromatic or aliphatic hydrocarbon with a solution of a C.sub.8-22 aliphatic or alicyclic monocarboxylic acid or carboxylic acid mixture and water in a C.sub.2-5 alkanol and removing the alkanol(s).The process according to the invention comprises introducing the solution of the aluminum alkoxide to a tube reactor having a 10 to 200 length/diameter ratio at a temperature exceeding by 15.degree.to 50.degree.C.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: December 24, 1991
    Assignees: Komaromi Koolajipari V., Magyar Asvanyolaj- Foldgaz Kiserleti Intezez
    Inventors: Istvan Kantor, Ferenc Denes, Janos Kis, Janos Auer, Lajos Peterfy, L. Peter Farkas, .ANG.ntal Matravolgyi, Jozsef Horvath, Jozsef Toth
  • Insulating felts reinforced by fibrous materials particularly for the waterproofing and/or corrosion-proofing of metal and/or concrete objects
    Patent number: 4214032
    Abstract: The insulating felt comprises 23 to 39% by weight of pyrolytic resin, 35 to 54% by weight of asphalt, 4 to 7% by weight of softener, 2.5 to 8% by weight plasticizer, 2 to 4% by weight of fine grained material and 10 to 25% by weight of reinforcing material. The felt is useful for water proofing or preventing corrosion of metal and concrete objects.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: July 22, 1980
    Assignee: Magyar Asvanyolaj es Foldgaz Kiserleti Intezet
    Inventors: Rezso Csikos, Andras Balogh, Jozsef Herendi, L. Peter Farkas, Janos Remenyi, Sandor Koltay