PFEIFER & LANGEN, A GERMAN CORP

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5000 KOLN 41, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing and using B-starch
- Patent number 6,447,822
- Issue date Sep 10, 2002
- Pfeifer & Langen
- Karl Ludovici
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Water soluble iron dextran and a process for its manufacture
- Patent number 4,927,756
- Issue date May 22, 1990
- Pfeifer & Langen
- Dieter Schwengers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cell culture microcarrier, method for preparing same and use thereo...
- Patent number 4,910,142
- Issue date Mar 20, 1990
- Pfeifer & Langen
- Dieter Schwengers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cell culture microcarrier, method for preparing same and use thereo...
- Patent number 4,824,946
- Issue date Apr 25, 1989
- Pfeifer & Langen
- Dieter Schwengers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble iron dextran and a process for its manufacture
- Patent number 4,749,695
- Issue date Jun 7, 1988
- Pfeifer & Langen
- Dieter Schwengers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Processes for producing leucrose
- Patent number 4,693,974
- Issue date Sep 15, 1987
- Pfeifer & Langen
- Dieter Schwengers
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the manufacture of iso-malto-oligosaccharide monovalent...
- Patent number 4,673,643
- Issue date Jun 16, 1987
- Pfeifer & Langen
- Dieter Schwengers
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for an equipment for making dry products from sugar syrup
- Patent number 4,651,715
- Issue date Mar 24, 1987
- Pfeifer & Langen
- Udo Breithaupt
- C13 - SUGAR INDUSTRY
Information Patent Grant
Gluco-oligosaccharide mixture and a process for its manufacture
- Patent number 4,649,058
- Issue date Mar 10, 1987
- Pfeifer & Langen
- Dieter Schwengers
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Unprocessed complete cane sugar and method of producing it
- Patent number 4,627,880
- Issue date Dec 9, 1986
- Pfeifer & Langen
- Arnold Langen
- C13 - SUGAR INDUSTRY
Information Patent Grant
Method of preparing refined starch hydrolysates from starch-contain...
- Patent number 4,154,623
- Issue date May 15, 1979
- DDS-Kroyer A/S
- Dieter Schwengers
- C13 - SUGAR INDUSTRY
Information Patent Grant
Process for obtaining amino acids from the raw juices of sugar manu...
- Patent number 4,111,714
- Issue date Sep 5, 1978
- Pfeifer & Langen
- Hermann Hippchen
- C13 - SUGAR INDUSTRY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
76309315 - CARBO PLY
- Serial number 76309315
- Registration number 2749399
- Filing date Sep 5, 2001
- Pfeifer & Langen
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
76276936 - PROPLY
- Serial number 76276936
- Registration number 2796627
- Filing date Jun 25, 2001
- Pfeifer & Langen
- 30 - Coffee, tea, cocoa and artificial coffee
Information Trademark
73815566 - DEXIDE
- Serial number 73815566
- Registration number 1607113
- Filing date Jul 27, 1989
- PFEIFER & LANGEN
- 5 - Pharmaceutical and veterinary preparations
Information Trademark
73684166 - DORMACELL
- Serial number 73684166
- Registration number 1501086
- Filing date Sep 11, 1987
- PFEIFER & LANGEN
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

PFEIFER & LANGEN, A GERMAN CORP

Organization

Patents Grantslast 30 patents

Method for preparing and using B-starch

Water soluble iron dextran and a process for its manufacture

Cell culture microcarrier, method for preparing same and use thereo...

Cell culture microcarrier, method for preparing same and use thereo...

Water soluble iron dextran and a process for its manufacture

Processes for producing leucrose

Process for the manufacture of iso-malto-oligosaccharide monovalent...

Method for an equipment for making dry products from sugar syrup

Gluco-oligosaccharide mixture and a process for its manufacture

Unprocessed complete cane sugar and method of producing it

Method of preparing refined starch hydrolysates from starch-contain...

Process for obtaining amino acids from the raw juices of sugar manu...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

76309315 - CARBO PLY

76276936 - PROPLY

73815566 - DEXIDE

73684166 - DORMACELL