Patents by Inventor Hans-Juergen Degen

Hans-Juergen Degen 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: 4323362
    Abstract: Compounds of the general formulaA.sup.1 .dbd.CH--B--CH.dbd.A.sup.2where A.sup.1 and A.sup.2 are the radical of a quaternized methylene-active compound and B is a bridge member.The compounds according to the invention are very suitable for coloring ligneous and lignin-free paper stock.
    Type: Grant
    Filed: January 14, 1981
    Date of Patent: April 6, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Degen, Klaus Grychtol
  • Patent number: 4301272
    Abstract: Novel addition polymers of dimorpholone compounds and diamines, which contain structural units of the general formula ##STR1## where X and Y may be various conventional organic radicals, are obtained by reacting dimorpholone compounds with diamines. The polymers may be used for modifying plastics, and for textile or paper finishing.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: November 17, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Degen, Herbert Naarmann
  • Patent number: 4267319
    Abstract: Colored polymeric compounds of the general formula ##STR1## where A is the radical of a quaternized, methylene-active compound, R is unsubstituted or substituted alkyl, cycloalkyl or phenyl, R.sup.1 is hydrogen, chlorine, bromine, hydroxyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, T is alkylene which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 -alkoxy or hydroxyl, or is a radical of the formula ##STR2## M.sup..crclbar. is an anion and n is a number >1. The compounds according to the invention are particularly suitable for coloring paper stock.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: May 12, 1981
    Assignee: BASF Aktiengesellschaft
    Inventor: Hans-Juergen Degen
  • Patent number: 4256458
    Abstract: Methine dyes of the general formula ##STR1## where the groups A are identical or different aryl or hetaryl, A.sup..crclbar. is an anion, R is hydrogen, methyl or ethyl and X is a bridge member, and the methine groups are in the .alpha.- or .gamma.-position. The compounds are preferably used for dyeing paper.
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: March 17, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Degen, Franz Feichtmayr, Klaus Grychtol
  • Patent number: 4212644
    Abstract: Paper dyed with compounds of the general formula I ##STR1## where R.sup.1 is unsubstituted or substituted alkyl, T is hydrogen or alkyl, A.sup..theta. is an anion, n is 1, 2 or 3 and X is an aminoaryl radical which may or may not possess further substituents, and where the benzene nucleus a may be substituted by alkyl, hydroxy, alkoxy, chlorine, bromine, amino, alkylamino, dialkylamino, alkanoylamino or nitro. The compounds of the formula I dye paper in brilliant yellow shades. They are also suitable for dyeing materials containing anionic groups.
    Type: Grant
    Filed: July 25, 1978
    Date of Patent: July 15, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Degen, Klaus Grychtol