Patents by Inventor Rainer Hiller

Rainer Hiller 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).

  • Preparation of a low-dust free-flowing choline chloride powder
    Patent number: 4820532
    Abstract: A low-dust, free-flowing choline chloride powder based on natural carriers or silica, the choline chloride content on natural carriers being from 30 to 60% by weight and that on silica being from 30 to 80% by weight, based on the choline chloride powder, is prepared by a process in which(a) choline chloride solution is mixed with the carrier in the desired ratio within the stated range,(b) the resulting mixture is sprayed continuously into a fluidized bed already containing dry choline chloride powder and is dried there at from 90.degree. to 180.degree. C., and(c) the dried end product is removed from the fluidized bed and cooled to below 50.degree. C.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: April 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Bayer, Guenter Boettger, Rainer Hiller, Michael Huber, Wolfgang Koernig, Wolfgang Fritz