Wolfgang F. R. Friemel

Person

Heppenheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Delayed hydrolysis of metal phosphides
- Patent number 5,017,376
- Issue date May 21, 1991
- Detia Freyberg GmbH
- Wolfgang Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Fumigant applicator
- Patent number 4,932,155
- Issue date Jun 12, 1990
- Detia Freyberg GmbH
- Wolfgang Friemel
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Delayed hydrolysis of metal phosphides
- Patent number 4,894,230
- Issue date Jan 16, 1990
- Detia Freyberg GmbH
- Wolfgang Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of fumigating agricultural products using hydrogen phosphide
- Patent number 4,812,291
- Issue date Mar 14, 1989
- Detia Freyberg GmbH
- Wolfgang Friemel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and apparatus for treating bulk commodities
- Patent number 4,756,117
- Issue date Jul 12, 1988
- Dr. Werner Freyberg Chemische Fabrik Delitia Nachf.
- Wolfgang Friemel
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Phosphine producing pesticide and method of manufacture therefor
- Patent number 4,725,418
- Issue date Feb 16, 1988
- Dr. Werner Freyberg Chemische Fabrik Delitia Nachf.
- Wolfgang F. R. Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Hydrogen-phosphide releasing compositions and processes for their p...
- Patent number 4,720,380
- Issue date Jan 19, 1988
- Dr. Werner Freyberg Chemische Febrik Delitia Naschf.
- Wolfgang Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Process and apparatus for treating bulk commodities
- Patent number 4,651,463
- Issue date Mar 24, 1987
- Dr. Werner Freyberg Chemische Fabrik Delitia Nachf.
- Wolfgang Friemel
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Phosphine producing hydrolyzable metal phosphide and use thereof
- Patent number 4,600,584
- Issue date Jul 15, 1986
- Dr. Werner Freyberg Chemische Fabrik Delitia Nachf
- Wolfgang F. R. Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sachet for use in pest control
- Patent number 4,597,218
- Issue date Jul 1, 1986
- Dr. Werner Freyberg
- Wolfgang Friemel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrogen-phosphide releasing compositions and their use
- Patent number 4,503,032
- Issue date Mar 5, 1985
- Dr. Werner Freyberg Chemische Fabrik Delitia Nachf.
- Wolfgang Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Phosphine producing pesticide and method of manufacture therefor
- Patent number 4,421,742
- Issue date Dec 20, 1983
- Dr. Werner Freyberg Chemische Fabrik Delitia Nachf.
- Wolfgang F. R. Friemel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Apparatus and method for fumigating stored agricultural commodities
- Patent number 4,215,508
- Issue date Aug 5, 1980
- Research Products Company
- James R. Allen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Wolfgang F. R. Friemel

Person

Patents Grantslast 30 patents

Delayed hydrolysis of metal phosphides

Fumigant applicator

Delayed hydrolysis of metal phosphides

Method of fumigating agricultural products using hydrogen phosphide

Process and apparatus for treating bulk commodities

Phosphine producing pesticide and method of manufacture therefor

Hydrogen-phosphide releasing compositions and processes for their p...

Process and apparatus for treating bulk commodities

Phosphine producing hydrolyzable metal phosphide and use thereof

Sachet for use in pest control

Hydrogen-phosphide releasing compositions and their use

Phosphine producing pesticide and method of manufacture therefor

Apparatus and method for fumigating stored agricultural commodities