Olof Sunden

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181 46 Lidingo, SE

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Patents Grantslast 30 patents

Information Patent Grant
Surface-modified pigment of natural kaolin material and a process o...
- Patent number 4,294,885
- Issue date Oct 13, 1981
- EKA AB
- Olof Sunden
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Silicic acid detergent product for microdeposition of silicic acid...
- Patent number 4,200,548
- Issue date Apr 29, 1980
- Elektrokemiska Aktiebolaget
- Olof Sunden
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Semisynthetic paper structure on a urea basis
- Patent number 4,183,783
- Issue date Jan 15, 1980
- Sunden; Olof
- Olof Sunden
- C05 - FERTILISERS MANUFACTURE THEREOF