Rudiger Erckel

Person

Hofheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for hydrolyzing cellulose-containing material with gaseous...
- Patent number 4,589,924
- Issue date May 20, 1986
- Hoechst Aktiengesellschaft
- Rudiger Erckel
- C13 - SUGAR INDUSTRY
Information Patent Grant
Benzo[de]pyrano[3,2-g]isoquinoline derivatives useful as dyestuffs
- Patent number 4,578,469
- Issue date Mar 25, 1986
- Hoechst Aktiengesellschaft
- Hans-Matthias Deger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for hydrolyzing cellulose-containing material with gaseous...
- Patent number 4,556,431
- Issue date Dec 3, 1985
- Hoechst Aktiengesellschaft
- Rudiger Erckel
- C13 - SUGAR INDUSTRY
Information Patent Grant
Process for hydrolyzing cellulose-containing material with gaseous...
- Patent number 4,556,432
- Issue date Dec 3, 1985
- Hoechst Aktiengesellschaft
- Rudiger Erckel
- C13 - SUGAR INDUSTRY
Information Patent Grant
Mixtures of optical brighteners and their use for the optical brigh...
- Patent number 4,363,744
- Issue date Dec 14, 1982
- Hoechst Aktiengesellschaft
- Dieter Gunther
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Mixtures of optical brighteners
- Patent number 4,336,155
- Issue date Jun 22, 1982
- Hoechst Aktiengesellschaft
- Thomas Martini
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of pyridine
- Patent number 4,332,943
- Issue date Jun 1, 1982
- Hoechst Aktiengesellschaft
- Richard Bicker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixtures of optical brighteners
- Patent number 4,330,427
- Issue date May 18, 1982
- Hoechst Aktiengesellschaft
- Thomas Martini
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Novel stilbene compounds: process for their manufacture and their u...
- Patent number 4,323,675
- Issue date Apr 6, 1982
- Hoechst Aktiengesellschaft
- Helmut Eckes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel stilbene compounds and process for the manufacture thereof
- Patent number 4,310,665
- Issue date Jan 12, 1982
- Hoechst Aktiengesellschaft
- Rudiger Erckel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of bis-benzoxazolyl-stilbene compounds
- Patent number 4,282,355
- Issue date Aug 4, 1981
- Hoechst Aktiengesellschaft
- Rudiger Erckel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixtures of optical brighteners
- Patent number 4,231,741
- Issue date Nov 4, 1980
- Hoechst Aktiengesellschaft
- Dieter Gunther
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Diamino-1,3,5-triazinylstilbene compounds and process for preparing...
- Patent number 4,220,760
- Issue date Sep 2, 1980
- Hoechst Aktiengesellschaft
- Rudiger Erckel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzimidazo-[1,2-a]-quinolines
- Patent number 4,219,651
- Issue date Aug 26, 1980
- Hoechst Aktiengesellschaft
- Dieter Gunther
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stilbenes, process for the manufacture thereof and the use thereof...
- Patent number 4,197,401
- Issue date Apr 8, 1980
- Hoechst Aktiengesellschaft
- Dieter Gunther
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixtures of optical brighteners
- Patent number 4,169,810
- Issue date Oct 2, 1979
- Hoechst Aktiengesellschaft
- Dieter Gunther
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
4-Benzoxazolyl-4'-oxadiazolyl stilbene optical brighteners
- Patent number 4,142,044
- Issue date Feb 27, 1979
- Hoechst Aktiengesellschaft
- Dieter Gunther
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Brightener mixtures and their use
- Patent number 4,129,412
- Issue date Dec 12, 1978
- Hoechst Aktiengesellschaft
- Dieter Gunther
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Rudiger Erckel

Person

Patents Grantslast 30 patents

Process for hydrolyzing cellulose-containing material with gaseous...

Benzo[de]pyrano[3,2-g]isoquinoline derivatives useful as dyestuffs

Process for hydrolyzing cellulose-containing material with gaseous...

Process for hydrolyzing cellulose-containing material with gaseous...

Mixtures of optical brighteners and their use for the optical brigh...

Mixtures of optical brighteners

Process for the preparation of pyridine

Mixtures of optical brighteners

Novel stilbene compounds: process for their manufacture and their u...

Novel stilbene compounds and process for the manufacture thereof

Process for the manufacture of bis-benzoxazolyl-stilbene compounds

Mixtures of optical brighteners

Diamino-1,3,5-triazinylstilbene compounds and process for preparing...

Benzimidazo-[1,2-a]-quinolines

Stilbenes, process for the manufacture thereof and the use thereof...

Mixtures of optical brighteners

4-Benzoxazolyl-4'-oxadiazolyl stilbene optical brighteners

Brightener mixtures and their use