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Patents Grants
last 30 patents
Information
Patent Grant
NPK-Si fertilizer, method for production and use thereof
Patent number
11,299,436
Issue date
Apr 12, 2022
Elkem ASA
Tor Soyland Hansen
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
NPK-Si-humate fertilizer, method for production and use thereof
Patent number
11,254,622
Issue date
Feb 22, 2022
Elkem ASA
Tor Soyland Hansen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Fertilizer comprising bioavailable Si and method for production the...
Patent number
11,021,412
Issue date
Jun 1, 2021
Elkem ASA
Vladimir Matychenkov
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process for the production of silicon dioxide particles
Patent number
10,011,496
Issue date
Jul 3, 2018
Elkem AS
Bjorn Myhre
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aluminium oxide particles
Patent number
9,738,540
Issue date
Aug 22, 2017
Elkem AS
Bjorn Myhre
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Silicon oxide slurry and method for producing such slurry
Patent number
7,393,407
Issue date
Jul 1, 2008
Elkem ASA
Eldar O Dingsoyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for production of white microsilica
Patent number
6,696,035
Issue date
Feb 24, 2004
Elkem ASA
Magne Dastol
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Concrete additive comprising a multicomponent admixture containing...
Patent number
5,472,501
Issue date
Dec 5, 1995
Elkem Materials Inc.
Magne Dastol
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Concrete additive comprising a multicomponent admixture containing...
Patent number
5,275,652
Issue date
Jan 4, 1994
Elkem Materials Inc.
Magne Dastol
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
NPK-SI FERTILIZER, METHOD FOR PRODUCTION AND USE THEREOF
Publication number
20210139386
Publication date
May 13, 2021
Tor Soyland HANSEN
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
NPK-SI-HUMATE FERTILIZER, METHOD FOR PRODUCTION AND USE THEREOF
Publication number
20200339485
Publication date
Oct 29, 2020
ELKEM ASA
Tor Soyland HANSEN
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
FERTILIZER COMPRISING BIOAVAILABLE SI AND METHOD FOR PRODUCTION THE...
Publication number
20200079702
Publication date
Mar 12, 2020
ELKEM ASA
Vladimir MATYCHENKOV
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
PROCESS FOR THE PRODUCTION OF ALUMINIUM OXIDE PARTICLES
Publication number
20160332888
Publication date
Nov 17, 2016
ELKEM AS
Bjorn MYHRE
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PRODUCTION OF SILICON DIOXIDE PARTICLES
Publication number
20160318769
Publication date
Nov 3, 2016
ELKEM AS
Bjorn MYHRE
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Silicon oxide slurry and method for producing such slurry
Publication number
20050172864
Publication date
Aug 11, 2005
Elkem ASA
Eldar O. Dingsoyr
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Method for production of white microsilica
Publication number
20020025287
Publication date
Feb 28, 2002
Magne Dastol
B82 - NANO-TECHNOLOGY