Ian Harwigsson

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Malmo, SE

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Patents Grantslast 30 patents

Information Patent Grant
Use of alkoxylated alkanolamide together with alkoxylated alcohol a...
- Patent number 5,979,479
- Issue date Nov 9, 1999
- Akzo Nobel N.V.
- Martin Hellsten
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Alkoxylated alkanolamide together with an ionic surfactant as frict...
- Patent number 5,911,236
- Issue date Jun 15, 1999
- Akzo Nobel N.V.
- Martin Hellsten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of a betaine surfactant together with an anionic surfactant as...
- Patent number 5,902,784
- Issue date May 11, 1999
- Akzo Nobel N.V.
- Martin Hellsten
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Use of an amphoteric surfactant as a friction-reducing agent
- Patent number 5,700,766
- Issue date Dec 23, 1997
- Berol Nobel AB
- Martin Hellsten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of alkoxylated alkanolamide as friction-reducing agent
- Patent number 5,339,855
- Issue date Aug 23, 1994
- Berol Nobel AB
- Martin Hellsten
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...