Patents by Inventor Reinhard Nebeling

Reinhard Nebeling 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 neutralization of basic reaction compositions
    Patent number: 4318848
    Abstract: Chemical reaction products, obtained in an alkaline medium and which require the addition of a dispersing agent, are neutralized by addition of a free surface-active acid to which, after its preparation, basic agents have not been added or have only been added up to a pH value of 3.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: March 9, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Heinz Molls, Willy Schiwy, Reinhold Hornle, Reinhard Nebeling
  • Condensation products of terphenylsulphonic acids, naphthalenesulphonic acids, bis-(4-hydroxyphenyl) sulphone and formaldehyde
    Patent number: 4245996
    Abstract: Condensation products which are obtained by co-condensation, in an acid aqueous medium, of terphenylsulphonic acids, naphthalenesulphonic acid, bis-(4-hydroxyphenyl) sulphone and compounds which release formaldehyde are used as tanning agents for the production of leather and as re-tanning agents for re-tanning mineral-tanned leather.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: January 20, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Franz Schade, Reinhard Nebeling, Bruno Zinz
  • Dyestuff formulations containing salts of diaryl ether sulfonic acids
    Patent number: 4217103
    Abstract: Dyestuff formulations which contain anionic, water-soluble dyestuffs or developable dyestuffs and salts of diaryl ether-sulphonic acids are suitable for the preparation of padding liquors, dyebaths and printing pastes.
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: August 12, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karlheinz Wolf, Hans-Heinz Molls, Reinhard Nebeling, Hans-Werner Petroll, Reinhold Hornle, Richard Schwaebel, Vaclav Kaspar
  • Process for preparation of azo dyestuffs by coupling in presence of aromatic sulphonic acid-formaldehyde reaction product
    Patent number: 4118384
    Abstract: Dyestuff dispersions and dyestuff solutions free from salt or at least having a low salt content are obtained in that the diazotization is carried out with addition of free dispersing agent acid to which, after the synthesis, either no basic agents are added or basic agents are added only up to a pH value of 3. The disclosed process gives dyestuff compositions of low salt content and results in readily dispersible dyestuffs when water insoluble dyestuffs are prepared and stable solutions when water soluble dyestuffs are prepared. The process is widely applicable and chemical constitution of the dyestuffs is conventional.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: October 3, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Heinz Molls, Willy Schiwy, Reinhold Hornle, Reinhard Nebeling