Heinz Erpenbach

Person

Knapsack bei Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of acetic acid and acetic anhydride
- Patent number 5,380,929
- Issue date Jan 10, 1995
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously producing an anhydrous methyl acetate/meth...
- Patent number 5,296,630
- Issue date Mar 22, 1994
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating iodine and its compounds from the products o...
- Patent number 5,169,982
- Issue date Dec 8, 1992
- Hoechst Aktiengesellschaft
- Erpenbach Heinz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for inhibiting and destroying peroxides in dialkyl ethers
- Patent number 5,166,452
- Issue date Nov 24, 1992
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing metallic corrosion products from carbonylation...
- Patent number 5,124,290
- Issue date Jun 23, 1992
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of N-acylphosphinothricin diesters
- Patent number 5,075,485
- Issue date Dec 24, 1991
- Hoechst Aktiengesellschaft
- Manfred Bohshar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification and recovery of the contaminated solut...
- Patent number 5,047,377
- Issue date Sep 10, 1991
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and recovering the contaminated catalyst solu...
- Patent number 5,002,914
- Issue date Mar 26, 1991
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing metallic corrosion products from a contaminate...
- Patent number 4,985,383
- Issue date Jan 15, 1991
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of phenylalanine n-propyl ester hydroch...
- Patent number 4,898,966
- Issue date Feb 6, 1990
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of n-acetylphenylalanine
- Patent number 4,892,971
- Issue date Jan 9, 1990
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and recovering catalyst solution contaminated...
- Patent number 4,746,640
- Issue date May 24, 1988
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing acetone from reaction mixtures of carbonylatio...
- Patent number 4,717,454
- Issue date Jan 5, 1988
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating iodine and its compounds from the carbonylat...
- Patent number 4,664,753
- Issue date May 12, 1987
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and recovering contaminated catalyst solution...
- Patent number 4,629,711
- Issue date Dec 16, 1986
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering noble metals belonging to group VIII of the...
- Patent number 4,557,760
- Issue date Dec 10, 1985
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for purifying and recovering contaminated catalyst solution...
- Patent number 4,556,644
- Issue date Dec 3, 1985
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating the catalyst system from the reaction mixtur...
- Patent number 4,549,937
- Issue date Oct 29, 1985
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making carboxylic acid halides
- Patent number 4,543,217
- Issue date Sep 24, 1985
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating acetone from carbonylation mixtures
- Patent number 4,444,624
- Issue date Apr 24, 1984
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and recovering contaminated catalyst solution...
- Patent number 4,442,304
- Issue date Apr 10, 1984
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and recovering contaminated catalyst solution...
- Patent number 4,440,570
- Issue date Apr 3, 1984
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of acetic anhydride
- Patent number 4,430,273
- Issue date Feb 7, 1984
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making carboxylic acid halides
- Patent number 4,414,160
- Issue date Nov 8, 1983
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of acetyl chloride
- Patent number 4,352,761
- Issue date Oct 5, 1982
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making anhydrous alkyl iodides
- Patent number 4,351,972
- Issue date Sep 28, 1982
- Hoechst Aktiengesellschaft
- Hans K. Kubbeler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of acetic anhydride
- Patent number 4,333,884
- Issue date Jun 8, 1982
- Hoechst Aktiengesellschaft
- Hans-Klaus Kubbeler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of 1,1-diacetoxyethane
- Patent number 4,319,038
- Issue date Mar 9, 1982
- Hoechst Aktiengesellschaft
- Hans-Klaus Kubbeler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carrier-supported catalyst and process for making it
- Patent number 4,308,175
- Issue date Dec 29, 1981
- Hoechst Aktiengesellschaft
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous production of 2-ethyl-hexyl acrylate free from dioctylether
- Patent number 4,280,009
- Issue date Jul 21, 1981
- Heinz Erpenbach
- C07 - ORGANIC CHEMISTRY

Heinz Erpenbach

Person

Patents Grantslast 30 patents

Process for the preparation of acetic acid and acetic anhydride

Process for continuously producing an anhydrous methyl acetate/meth...

Process for separating iodine and its compounds from the products o...

Process for inhibiting and destroying peroxides in dialkyl ethers

Process for removing metallic corrosion products from carbonylation...

Process for the preparation of N-acylphosphinothricin diesters

Process for the purification and recovery of the contaminated solut...

Process for purifying and recovering the contaminated catalyst solu...

Process for removing metallic corrosion products from a contaminate...

Process for the preparation of phenylalanine n-propyl ester hydroch...

Process for the preparation of n-acetylphenylalanine

Process for purifying and recovering catalyst solution contaminated...

Process for removing acetone from reaction mixtures of carbonylatio...

Process for separating iodine and its compounds from the carbonylat...

Process for purifying and recovering contaminated catalyst solution...

Process for recovering noble metals belonging to group VIII of the...

Process for purifying and recovering contaminated catalyst solution...

Process for separating the catalyst system from the reaction mixtur...

Process for making carboxylic acid halides

Process for separating acetone from carbonylation mixtures

Process for purifying and recovering contaminated catalyst solution...

Process for purifying and recovering contaminated catalyst solution...

Production of acetic anhydride

Process for making carboxylic acid halides

Production of acetyl chloride

Process for making anhydrous alkyl iodides

Production of acetic anhydride

Production of 1,1-diacetoxyethane

Carrier-supported catalyst and process for making it

Continuous production of 2-ethyl-hexyl acrylate free from dioctylether