Patents by Inventor Klaus F. Sylla

Klaus F. Sylla 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 drying of plant or animal material
    Patent number: 5113597
    Abstract: Process for separating volatile substances from solid or liquid materials, in which the material which has to release the volatile substance is placed in contact, operating pressures of greater than 1 to 30 bars, with a dry or humid gas stream which may be introduced in the circuit.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: May 19, 1992
    Assignee: Kohlensaeurewerk Deutschland GmbH
    Inventor: Klaus F. Sylla
  • Process for the explosive comminution of cellular material
    Patent number: 4934608
    Abstract: A process for explosive comminution of cellular material in which the material is subjected to compressed gas in a pressure chamber and then discharged from the pressure chamber with explosive pressure release in small portions against the grinding means of a mill.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: June 19, 1990
    Assignee: Kohlensaurewerk Deutschland GmbH
    Inventors: Klaus F. Sylla, Ulrich Grunhoff
  • Process for the removal of undesirable constituents from raw coffee beans
    Patent number: 4215150
    Abstract: A process for the removal from raw coffee of constituents which contribute to the presence of undesired stimulants in roasted coffee, without changing the caffeine content. The process comprises treating the raw beans with the ester of an organic acid, in combination with a ketone.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: July 29, 1980
    Assignee: decofa Kaffee-Bearbeitungs-GmbH
    Inventors: Hans-Albert Kurzhals, Klaus F. Sylla
  • Process for the decaffeination of raw coffee beans
    Patent number: 4207352
    Abstract: A process for the decaffeination of raw coffee beans. Coffee beans containing 15 to 55 percent water are treated with the ester of an organic acid, in combination with a ketone.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: June 10, 1980
    Assignee: decofa Kaffee-Bearbeitungs-GmbH, Fabrikenufer
    Inventors: Hans-Albert Kurzhals, Klaus F. Sylla
  • Process of extracting stimulants from coffee
    Patent number: 4168324
    Abstract: A method of producing coffee low in undesired stimulants by removing coffee wax from unroasted coffee by the use of a supercritical fluid and absorbing the coffee wax in an absorbent precharged with pure caffeine.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: September 18, 1979
    Assignee: HAG Aktiengesellschaft
    Inventors: Ludwig Roselius, Hans-Albert Kurzhals, Klaus F. Sylla, Peter Hubert