Kjell Stendahl

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Helsingborg, SE

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Patents Grantslast 30 patents

Information Patent Grant
Treatment method for waste water sludge comprising phoshorous, heav...
- Patent number 5,720,882
- Issue date Feb 24, 1998
- Kemira Kemi AB
- Kjell Stendahl
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the preparation of a coagulating chemical comprising di...
- Patent number 5,662,826
- Issue date Sep 2, 1997
- Kemira Kemi Aktiebolag
- Rolf Olof Nilsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the preparation of polyaluminum compounds
- Patent number 5,182,094
- Issue date Jan 26, 1993
- Kemira Kemi Aktiebolag
- Magnus Kvant
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for distributing water purifying chemicals
- Patent number 4,663,055
- Issue date May 5, 1987
- Boliden Aktiebolag
- Tommy Ling
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method for treatment of sludge
- Publication number 20110089109
- Publication date Apr 21, 2011
- Hans David Ulmert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process and plant for the recovery of phosphorus and coagulants fro...
- Publication number 20040232088
- Publication date Nov 25, 2004
- Lars Stenmark
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL