Hans Kiefer

Person

Neustadt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of choline chloride-containing powders, these powders,...
- Patent number 5,486,363
- Issue date Jan 23, 1996
- BASF Aktiengesellschaft
- Hans Kiefer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Preparation of vitamin E
- Patent number 5,468,883
- Issue date Nov 21, 1995
- BASF Aktiengesellschaft
- Paul Grafen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spray granules or microgranules of pure riboflavin which contain no...
- Patent number 5,300,303
- Issue date Apr 5, 1994
- BASF Aktiengesellschaft
- Johannes Grimmer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of formic acid by thermal cleavage of quaternary ammoni...
- Patent number 5,294,740
- Issue date Mar 15, 1994
- BASF Aktiengesellschaft
- Hans Kiefer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purifying ferment-produced riboflavin
- Patent number 5,210,023
- Issue date May 11, 1993
- BASF Aktiengesellschaft
- Johannes Grimmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of formic acid
- Patent number 5,206,433
- Issue date Apr 27, 1993
- BASF Aktiengesellschaft
- Heinz Hohenschutz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isolation of a carboxylic acid from an aqueous solution thereof
- Patent number 5,189,216
- Issue date Feb 23, 1993
- BASF Aktiengesellschaft
- Hans Kiefer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized menadione bisulfite formulations and their preparation
- Patent number 5,128,151
- Issue date Jul 7, 1992
- BASF Aktiengesellschaft
- Hans Kiefer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of riboflavin 5'-phosphate (FMN) and its sodium salt in...
- Patent number 5,095,115
- Issue date Mar 10, 1992
- BASF Aktiengesellschaft
- Johannes Grimmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of riboflavin-5'-phosphate (5'-FMN) and its sodium salt...
- Patent number 5,017,700
- Issue date May 21, 1991
- BASF Aktiengesellschaft
- Johannes Grimmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of riboflavin, produced by a microbial method, in the f...
- Patent number 4,977,190
- Issue date Dec 11, 1990
- BASF Aktiengesellschaft
- Joachim Meyer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Animal feed or drinking water containing propanediol formates
- Patent number 4,921,711
- Issue date May 1, 1990
- BASF Aktiengesellschaft
- Hans Kiefer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Menadione choline bisulfite adduct, its preparation and antihemorrh...
- Patent number 4,735,969
- Issue date Apr 5, 1988
- BASF Aktiengesellschaft
- Joachim U. Schneider
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of 2-(N-formylamino)-propionitrile
- Patent number 4,701,546
- Issue date Oct 20, 1987
- BASF Aktiengesellschaft
- Wolfgang Bewert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of ionones
- Patent number 4,565,894
- Issue date Jan 21, 1986
- BASF Aktiengesellschaft
- Otto Hertel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of vitamins K.sub.3 and K.sub.4 and derivatives
- Patent number 4,482,492
- Issue date Nov 13, 1984
- BASF Aktiengesellschaft
- Hans Kiefer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of formic acid
- Patent number 4,218,568
- Issue date Aug 19, 1980
- BASF Aktiengesellschaft
- Heinz Hohenschutz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isolation of formic acid from its aqueous solutions
- Patent number 4,217,460
- Issue date Aug 12, 1980
- BASF Aktiengesellschaft
- Heinz Hohenschutz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous manufacture of formamide
- Patent number 4,134,915
- Issue date Jan 16, 1979
- BASF Aktiengesellschaft
- Heinz Hohenschutz
- C07 - ORGANIC CHEMISTRY

Hans Kiefer

Person

Patents Grantslast 30 patents

Preparation of choline chloride-containing powders, these powders,...

Preparation of vitamin E

Spray granules or microgranules of pure riboflavin which contain no...

Preparation of formic acid by thermal cleavage of quaternary ammoni...

Method of purifying ferment-produced riboflavin

Preparation of formic acid

Isolation of a carboxylic acid from an aqueous solution thereof

Stabilized menadione bisulfite formulations and their preparation

Preparation of riboflavin 5'-phosphate (FMN) and its sodium salt in...

Preparation of riboflavin-5'-phosphate (5'-FMN) and its sodium salt...

Preparation of riboflavin, produced by a microbial method, in the f...

Animal feed or drinking water containing propanediol formates

Menadione choline bisulfite adduct, its preparation and antihemorrh...

Preparation of 2-(N-formylamino)-propionitrile

Preparation of ionones

Preparation of vitamins K.sub.3 and K.sub.4 and derivatives

Preparation of formic acid

Isolation of formic acid from its aqueous solutions

Continuous manufacture of formamide