Ernst Hoyer

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Water-soluble copper complex disazo compounds containg a chloro tri...
- Patent number 4,939,243
- Issue date Jul 3, 1990
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble disazo compounds containing substituted triazinyl rad...
- Patent number 4,916,215
- Issue date Apr 10, 1990
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble disazo compounds of 1-amino-8-naphthal-3,6- or 4,6-di...
- Patent number 4,730,038
- Issue date Mar 8, 1988
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble disazo compounds containing an amino naphthol-disulfo...
- Patent number 4,622,390
- Issue date Nov 11, 1986
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble azo compounds, a process for their preparation and th...
- Patent number 4,492,654
- Issue date Jan 8, 1985
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble metal free or copper triazino-bis-[hydroxy-naphthylam...
- Patent number 4,485,041
- Issue date Nov 27, 1984
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble azo dyestuffs
- Patent number 4,378,312
- Issue date Mar 29, 1983
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copper formazan compounds, processes for their preparation and thei...
- Patent number 4,370,145
- Issue date Jan 25, 1983
- Hoechst Aktiengesellschaft
- Gunther Schwaiger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copper complex formazan compounds, process for their manufacture an...
- Patent number 4,336,190
- Issue date Jun 22, 1982
- Hoechst Aktiengesellschaft
- Gunther Schwaiger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of sulfuric acid semiester ethylsulfony...
- Patent number 4,334,076
- Issue date Jun 8, 1982
- Hoechst Aktiengesellschaft
- Hans H. Steuernagel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble disazo dyestuffs
- Patent number 4,323,497
- Issue date Apr 6, 1982
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of sulfuric acid semiester compounds by...
- Patent number 4,315,865
- Issue date Feb 16, 1982
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the dyeing and printing of hydrophobic synthetic organi...
- Patent number 4,293,306
- Issue date Oct 6, 1981
- Hoechst Aktiengesellschaft
- Ernst Hoyer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Water-soluble dyestuffs, processes for their manufacture, their use...
- Patent number 4,242,258
- Issue date Dec 30, 1980
- Hoechst Aktiengesellschaft
- Walter Noll
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of sulfuric acid semi-ester compounds
- Patent number 4,191,703
- Issue date Mar 4, 1980
- Hoechst Aktiengesellschaft
- Hans H. Steuernagel
- C07 - ORGANIC CHEMISTRY

Ernst Hoyer

Person

Patents Grantslast 30 patents

Water-soluble copper complex disazo compounds containg a chloro tri...

Water-soluble disazo compounds containing substituted triazinyl rad...

Water-soluble disazo compounds of 1-amino-8-naphthal-3,6- or 4,6-di...

Water-soluble disazo compounds containing an amino naphthol-disulfo...

Water-soluble azo compounds, a process for their preparation and th...

Water-soluble metal free or copper triazino-bis-[hydroxy-naphthylam...

Water-soluble azo dyestuffs

Copper formazan compounds, processes for their preparation and thei...

Copper complex formazan compounds, process for their manufacture an...

Process for the preparation of sulfuric acid semiester ethylsulfony...

Water-soluble disazo dyestuffs

Process for the production of sulfuric acid semiester compounds by...

Process for the dyeing and printing of hydrophobic synthetic organi...

Water-soluble dyestuffs, processes for their manufacture, their use...

Process for the manufacture of sulfuric acid semi-ester compounds