Patents by Inventor Grosse Thomas

Grosse Thomas 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: 10081789
    Abstract: The invention relates to a method for separating off a liquid supernatant from cells, comprising the steps: providing a mixture of the cells with a liquid, charging a first filter housing with the mixture, wherein in the filter housing a filter having a pore size of between 4 ?m and 50 ?m is provided on a flat base surface pierced in a sieve manner and the walls of the filter housing are connected so as to seal with the flat base surface that is pierced in a sieve manner, applying a differential pressure of at least 0.5 bar on the mixture, as a result of which the liquid portion of the mixture is forced through the filter and a filter cake containing cells remains in the filter housing, and removal of the filtered liquid.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: September 25, 2018
    Assignee: GREENOVATION BIOTECH GMBH
    Inventors: Grosse Thomas, Niederkrüger Holger, Schaaf Andreas
  • Publication number: 20150147811
    Abstract: The invention relates to a method for separating off a liquid supernatant from cells, comprising the steps: providing a mixture of the cells with a liquid, charging a first filter housing with the mixture, wherein in the filter housing a filter having a pore size of between 4 ?m and 50 ?m is provided on a flat base surface pierced in a sieve manner and the walls of the filter housing are connected so as to seal with the flat base surface that is pierced in a sieve manner, applying a differential pressure of at least 0.5 bar on the mixture, as a result of which the liquid portion of the mixture is forced through the filter and a filter cake containing cells remains in the filter housing, and removal of the filtered liquid.
    Type: Application
    Filed: July 19, 2013
    Publication date: May 28, 2015
    Inventors: Grosse Thomas, Niederkrüger Holger, Schaaf Andreas