Patents by Inventor Erich Feess

Erich Feess 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 the preparation of discharge effects on dyeings or prints made with disperse dyes on flat-surface textile structures of synthetic fibers
    Patent number: 3972677
    Abstract: Process for the preparation of discharge effects under or on dyeings or prints with disperse dyes on flat-surface textile structures made of synthetic fibers, which process comprises applying to the textile material a dyeing by padding, slop-padding or printing dischargeable disperse dyes and drying at mild temperatures, printing on the dyeing which has not yet been fixed a discharge paste containing discharge-resistent disperse dyes and fixing that paste after intermediate drying either by a steaming process in saturated steam followed by a treatment with dry heat or a treatment with over-heated steam, or by steaming in pressurized steam.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: August 3, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Heinz Dethloff
  • Process for heat fixation of dyestuffs using polyester material as filter for circulating air stream
    Patent number: 3955226
    Abstract: Process for the heat fixation of dyestuffs on textile flat articles using a steamer with directional air or vapor stream wherein the circulating air or vapor stream is purified from dyestuff particles by intercalating a filter.
    Type: Grant
    Filed: February 12, 1974
    Date of Patent: May 11, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Gunther Trapp, Heinz Fleissner