Patents by Inventor Johannes Eibl

Johannes Eibl 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: 4106940
    Abstract: A light-sensitive material containing in emulsified form photographic additives and a process for introducing these photographic additives in emulsified form into photographic hydrophilic colloid layers with at least one N-alkylphtalimide derivative of the formula ##STR1## in which R.sub.1 and R.sub.2 are as defined hereinafter; the material having improved stability properties.
    Type: Grant
    Filed: October 3, 1975
    Date of Patent: August 15, 1978
    Assignee: AGFA-Gevaert, A.G.
    Inventors: Hans Langen, Erwin Ranz, Johannes Eibl, Walther Wolf
  • Patent number: 3994683
    Abstract: The invention relates to the printing of sheet-heavy-pile textile materials, especially carpets, characterized in that powdered dyestuff preparations are applied to the sheet of textile material in consistency with the pattern, preferably by the screen- printing or film-printing techniques, the dye is subsequently fixed by the action of heat and any constituents of the dye preparations which are not fixed are removed by suction or by washing. The new method is economical and causes no or little pollution.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: November 30, 1976
    Assignees: Peter Zimmer, Bayer Aktiengesellschaft
    Inventors: Peter Zimmer, Johannes Eibl, Karlheinz Wolf
  • Patent number: 3947246
    Abstract: A process for producing a spotted effect on synthetic fibre materials using dyestuff pastes which contain insoluble or scarcely soluble particles of one or a plurality of dyestuff preparations, said particles having a size of 10.mu. to 200.mu., preferable 40.mu. to 100.mu. and said dyestuff preparations consisting of a dyestuff, a resin or wax which is insoluble or scarcely soluble in water and optionally of a softener and/or tenside.
    Type: Grant
    Filed: November 21, 1973
    Date of Patent: March 30, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Johannes Eibl, Karlheinz Wolf, Helmut Prochaska