Patents by Inventor Michael Thobor

Michael Thobor 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: 5719203
    Abstract: A method of producing a composition which is composed of from 5 to 50 wt. % of caoutchouc, preferably natural caoutchouc; from 4 to 25 wt. % of starch powder; from 10 to 50 wt. % of one of polybetahydroxybutyrate or cellulose; and from 0 to 15 wt. % of auxiliary agent, and which is biodegradable includes providing caoutchouc in one of flaked or granular form; providing initial materials selected from the group consisting of starch, polybetahydroxybutyrate, cellulose, and auxiliary agent, in ground form as one of a powder or granulated; homogeneously mixing the initial materials into the caoutchouc to provide a homogeneous mixture: plasticizing the homogeneous mixture by heating in one of a screw-type extruder or injection molding machine to provide a plasticized mass; and ejecting the plasticized mass from the extruder or injection-molding machine and allowing the mass to cool. Preferably, plasticizing is carried out of a temperature ranging from 170.degree. C. to 180.degree. C.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: February 17, 1998
    Assignee: Metraplast H. Jung GmbH
    Inventor: Michael Thobor