Patents by Inventor Heinz Dietrich Jordan

Heinz Dietrich Jordan 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).

  • Mixtures of blue disperse azo dyestuffs
    Patent number: 5644039
    Abstract: Mixtures of dyestuffs of the formulae (I) and (II) ##STR1## which are outstanding substitute products for the anthraquinone dyestuff Disperse Blue 56, have been found.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: July 1, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Hamprecht, Heinz-Dietrich Jordan
  • Bulk dyeing of polyesters
    Patent number: 4096111
    Abstract: Process for the bulk dyeing of synthetic linear polyesters, characterized in that one or more dyestuffs of the formula ##STR1## WHEREIN R.sub.1 and R.sub.2 denote hydrogen or a non-ionic substituent, m denotes an integer from 0 to 2 and n denotes an integer from 1 to 4 and m and n together are not greater than 4, are employed.
    Type: Grant
    Filed: March 30, 1976
    Date of Patent: June 20, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rutger Neeff, Heinz Dietrich Jordan
  • Process for the bulk dyeing of polyesters
    Patent number: 3980609
    Abstract: Dyestuffs of the formula ##SPC1##WhereinR denotes a straight-chain or branched-chain alkyl group with 1-4 C atoms,B and B.sub.1 independently of one another denote hydrogen or optionally substituted alkyl, alkenyl, cycloalkyl, aralkyl, aryl or heteroaryl radicals or conjointly and together with the N atom form a ring which is optionally interrupted by hetero-atoms and the ring A can be substituted by 1 - 3 non-ionic substituents,Are suitable for the bulk dyeing of synthetic linear polyester.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: September 14, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rutger Neeff, Heinz Dietrich Jordan