Herman P. Ruyter

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Wood composite
- Patent number 5,633,299
- Issue date May 27, 1997
- Shell Oil Company
- Martinus L. Van Druten
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for upgrading low-quality wood
- Patent number 5,555,642
- Issue date Sep 17, 1996
- Shell Oil Company
- Peter C. Rem
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process for upgrading low-quality wood
- Patent number 5,451,361
- Issue date Sep 19, 1995
- Shell Oil Company
- Herman P. Ruyter
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Cellulosic fibrous aggregate and a process for its preparation
- Patent number 5,334,445
- Issue date Aug 2, 1994
- Shell Oil Company
- Herman P. Ruyter
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process for producing hydrocarbon-containing liquids from biomass
- Patent number 4,670,613
- Issue date Jun 2, 1987
- Shell Oil Company
- Herman P. Ruyter
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Dewatering and upgrading low rank coal by a two-step hydrothermal t...
- Patent number 4,285,140
- Issue date Aug 25, 1981
- Shell Oil Company
- Leopold van Raam
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE