Patents by Inventor Johannes Polster

Johannes Polster 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).

  • AROMA-INFUSED COFFEE BEANS
    Publication number: 20240148013
    Abstract: The present invention relates to a method for preparing aroma-infused coffee beans. Further aspects of the invention are roasted aromatic alcoholic beverage-infused coffee beans having low levels of ethyl carbamate, as well as the use of reduced-alcohol aromatic alcoholic beverage to infuse coffee beans.
    Type: Application
    Filed: March 7, 2022
    Publication date: May 9, 2024
    Inventors: FEDERICO MORA, TOMAS DAVIDEK, JOHANNES POLSTER
  • Oxidative after-treatment of materials dyed or printed with sulfur or vat dyestuffs
    Patent number: 4073616
    Abstract: Dyeing with sulfur or vat dyes is improved by using as oxidant for the oxidative after-treatment to bring out final dye shade and fastness, ##STR1## or a protonated product thereof R being hydrogen or --SO.sub.3 M, andM being hydrogen, ammonium or a compatible metal.
    Type: Grant
    Filed: December 2, 1976
    Date of Patent: February 14, 1978
    Assignee: Cassella Farbwerke Mainkur Aktiengesellschaft
    Inventors: Christian Heid, Johannes Polster