Matthias Wiesenfeldt

Person

Mutterstadt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Stable colorant compositions
- Patent number 6,080,209
- Issue date Jun 27, 2000
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Polyazo dyes containing a plurality of hydroxy sulfonyl groups
- Patent number 6,013,775
- Issue date Jan 11, 2000
- BASF Aktiengesellschaft
- Gunther Lamm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acid polyazo dyes
- Patent number 6,011,141
- Issue date Jan 4, 2000
- BASF Aktiengesellschaft
- Gunther Lamm
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dye mixtures containing polyazo dyes and CI Sulphur Black 1 dye
- Patent number 5,972,050
- Issue date Oct 26, 1999
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers
- Patent number 5,910,623
- Issue date Jun 8, 1999
- BASF Aktiengesellschaft
- Knut Kessel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
N-aminopyridone dyes
- Patent number 5,654,122
- Issue date Aug 5, 1997
- BASF Aktiengesellschaft
- Karl-Heinz Etzbach
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sulfopyridones and a process of making therefor
- Patent number 5,621,107
- Issue date Apr 15, 1997
- BASF Aktiengesellschaft
- Gunther Lamm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dye polymers
- Patent number RE35407
- Issue date Dec 17, 1996
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- 526 - Synthetic resins or natural rubbers
Information Patent Grant
N-aminopyridone dyes
- Patent number 5,580,980
- Issue date Dec 3, 1996
- BASF Aktiengesellschaft
- Karl-Heinz Etzbach
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Doubled acid azo dyes with a hydroxypyridone coupling component
- Patent number 5,554,737
- Issue date Sep 10, 1996
- BASF Aktiengesellschaft
- Gunther Lamm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dye polymers
- Patent number 5,461,131
- Issue date Oct 24, 1995
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenylazo- or naphthylazobenzenes having thioether groups
- Patent number 5,449,762
- Issue date Sep 12, 1995
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dye polymers
- Patent number 5,434,231
- Issue date Jul 18, 1995
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of phenylazo- or naphthylazobenzenes having thioether g...
- Patent number 5,428,140
- Issue date Jun 27, 1995
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of aminoformazans
- Patent number 5,391,719
- Issue date Feb 21, 1995
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thiazoleazo dyes having a coupling component of the diphenylamine s...
- Patent number 5,298,610
- Issue date Mar 29, 1994
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo dye polymers
- Patent number 5,264,507
- Issue date Nov 23, 1993
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aminothiazoles
- Patent number 5,260,446
- Issue date Nov 9, 1993
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 2-amino-5-formyl-4-halothiazoles
- Patent number 5,206,376
- Issue date Apr 27, 1993
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triazolopyridine dyes and thermal transfer of methine dyes
- Patent number 5,147,845
- Issue date Sep 15, 1992
- BASF Aktiengesellschaft
- Ruediger Sens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Transfer of azo dyes
- Patent number 5,145,828
- Issue date Sep 8, 1992
- BASF Aktiengesellschaft
- Karl-Heinz Etzbach
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Triazolopyridine dyes and thermal transfer of methine dyes
- Patent number 5,079,365
- Issue date Jan 7, 1992
- BASF Aktiengesellschaft
- Rudiger Sens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Diaminothiophenes
- Patent number 5,064,962
- Issue date Nov 12, 1991
- BASF Aktiengesellschaft
- Matthias Wiesenfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dyes whose diazo and coupling components stem from the thiazole...
- Patent number 5,059,684
- Issue date Oct 22, 1991
- BASF Aktiengesellschaft
- Gunther Lamm
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pyrrole derivatives useful as diazo and coupling components
- Patent number 5,003,081
- Issue date Mar 26, 1991
- BASF Aktiengesellschaft
- Juergen Pfister
- C07 - ORGANIC CHEMISTRY

Matthias Wiesenfeldt

Person

Patents Grantslast 30 patents

Stable colorant compositions

Polyazo dyes containing a plurality of hydroxy sulfonyl groups

Acid polyazo dyes

Dye mixtures containing polyazo dyes and CI Sulphur Black 1 dye

Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers

N-aminopyridone dyes

Sulfopyridones and a process of making therefor

Azo dye polymers

N-aminopyridone dyes

Doubled acid azo dyes with a hydroxypyridone coupling component

Azo dye polymers

Phenylazo- or naphthylazobenzenes having thioether groups

Azo dye polymers

Preparation of phenylazo- or naphthylazobenzenes having thioether g...

Preparation of aminoformazans

Thiazoleazo dyes having a coupling component of the diphenylamine s...

Azo dye polymers

Aminothiazoles

Preparation of 2-amino-5-formyl-4-halothiazoles

Triazolopyridine dyes and thermal transfer of methine dyes

Transfer of azo dyes

Triazolopyridine dyes and thermal transfer of methine dyes

Diaminothiophenes

Azo dyes whose diazo and coupling components stem from the thiazole...

Pyrrole derivatives useful as diazo and coupling components