Helmut WIEHN

Person

Heuchelheim-Klingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Fire retarding composition for use in wood composite panels
- Patent number 11,613,703
- Issue date Mar 28, 2023
- ECOCHEM INTERNATIONAL NV
- Helmut Wiehn
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fire-resistant “oriented strand board” material
- Patent number 8,642,184
- Issue date Feb 4, 2014
- Ecochem International, Naamloze Vennootschap
- Helmut Wiehn
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
USE OF NON-HALOGEN FIRE RETARDANT COMPOSITION FOR INDIRECT FIRE PRO...
- Publication number 20240102248
- Publication date Mar 28, 2024
- ECOCHEM INTERNATIONAL NV
- Helmut WIEHN
- B32 - LAYERED PRODUCTS
Information Patent Application
NON-HALOGEN FIRE-RETARDANT COMPOSITION AND USE OF SAID COMPOSITION...
- Publication number 20240034888
- Publication date Feb 1, 2024
- ECOCHEM INTERNATIONAL NV
- Helmut WIEHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FIRE RETARDING COMPOSITION FOR USE IN WOOD COMPOSITE PANELS
- Publication number 20230227726
- Publication date Jul 20, 2023
- ECOCHEM INTERNATIONAL NV
- Helmut WIEHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FIRE RETARDING COMPOSITION FOR USE IN WOOD COMPOSITE PANELS
- Publication number 20230227725
- Publication date Jul 20, 2023
- ECOCHEM INTERNATIONAL NV
- Helmut WIEHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FIRE RETARDING COMPOSITION FOR USE IN WOOD COMPOSITE PANELS
- Publication number 20190330531
- Publication date Oct 31, 2019
- ECOCHEM INTERNATIONAL NV
- Helmut WIEHN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIRE-RESISTANT "ORIENTED STRAND BOARD" MATERIAL
- Publication number 20120251817
- Publication date Oct 4, 2012
- Helmut WIEHN
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Helmut WIEHN

Person

Patents Grantslast 30 patents

Fire retarding composition for use in wood composite panels

Fire-resistant “oriented strand board” material

Patents Applicationslast 30 patents

USE OF NON-HALOGEN FIRE RETARDANT COMPOSITION FOR INDIRECT FIRE PRO...

NON-HALOGEN FIRE-RETARDANT COMPOSITION AND USE OF SAID COMPOSITION...

FIRE RETARDING COMPOSITION FOR USE IN WOOD COMPOSITE PANELS

FIRE RETARDING COMPOSITION FOR USE IN WOOD COMPOSITE PANELS

FIRE RETARDING COMPOSITION FOR USE IN WOOD COMPOSITE PANELS

FIRE-RESISTANT "ORIENTED STRAND BOARD" MATERIAL