Richard H. Hewett

Person

Essex, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Herbicidal compositions comprising picolinafen
- Patent number 6,660,692
- Issue date Dec 9, 2003
- Aventis Cropscience S.A.
- Richard Henry Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal compositions
- Patent number 6,046,133
- Issue date Apr 4, 2000
- Rhone-Poulenc Agriculture Ltd.
- Richard Henry Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal compositions
- Patent number 6,028,031
- Issue date Feb 22, 2000
- Rhone-Poulenc Agriculture, Ltd.
- Alan Gamblin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal compositions comprising a 4-benzoylisoxazole and a triaz...
- Patent number 5,962,370
- Issue date Oct 5, 1999
- Rhone-Poulenc Agriculture Ltd.
- Alan Gamblin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal compositions
- Patent number 5,795,846
- Issue date Aug 18, 1998
- Rhone-Poulenc Agriculture Limited
- Alan Gamblin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Synergistic herbicidal compositions comprising 4-benzoylisoxazole a...
- Patent number 5,552,367
- Issue date Sep 3, 1996
- Rhone-Poulenc Agriculture Ltd.
- Alan Gamblin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal combinations of bromoxynil with selected 2-benzoylcycloh...
- Patent number 5,416,061
- Issue date May 16, 1995
- Rhone-Poulenc Agriculture Ltd.
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal pyridopyridazinones and pyridopyridazinethiones
- Patent number 5,405,826
- Issue date Apr 11, 1995
- Rhone-Poulenc Agriculture Limited
- Richard H. Hewett
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal method comprising the use of diflufenican
- Patent number 5,264,411
- Issue date Nov 23, 1993
- May & Baker Limited
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal method using diflufenican
- Patent number 5,013,353
- Issue date May 7, 1991
- May and Baker Limited
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal method using diflufenican
- Patent number 4,990,177
- Issue date Feb 5, 1991
- May & Baker, Ltd.
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal method comprising the use of diflufenican
- Patent number 4,940,484
- Issue date Jul 10, 1990
- May and Baker Limited
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal method using diflufenican
- Patent number 4,929,271
- Issue date May 29, 1990
- May & Baker Limited
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal method using diflufenican
- Patent number 4,875,925
- Issue date Oct 24, 1989
- May & Baker Limited
- Richard H. Hewett
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Richard H. Hewett

Person

Patents Grantslast 30 patents

Herbicidal compositions comprising picolinafen

Herbicidal compositions

Herbicidal compositions

Herbicidal compositions comprising a 4-benzoylisoxazole and a triaz...

Herbicidal compositions

Synergistic herbicidal compositions comprising 4-benzoylisoxazole a...

Herbicidal combinations of bromoxynil with selected 2-benzoylcycloh...

Herbicidal pyridopyridazinones and pyridopyridazinethiones

Herbicidal method comprising the use of diflufenican

Herbicidal method using diflufenican

Herbicidal method using diflufenican

Herbicidal method comprising the use of diflufenican

Herbicidal method using diflufenican

Herbicidal method using diflufenican