Torstein Obrestad

Person

Ulefoss, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Calcium nitrate and potassium nitrate fertiliser particles
- Patent number 12,103,896
- Issue date Oct 1, 2024
- Yara International ASA
- Amund Myrstad
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Calcium nitrate and potassium nitrate fertiliser particles
- Patent number 11,485,689
- Issue date Nov 1, 2022
- Yara International ASA
- Amund Myrstad
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Conditioning agent for a particulate fertilizer for reducing hygros...
- Patent number 10,294,170
- Issue date May 21, 2019
- Yara International ASA
- Torstein Obrestad
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Fertiliser coating containing micronutrients
- Patent number 10,118,867
- Issue date Nov 6, 2018
- Yara UK Limited
- Stuart Charles Ward
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Fertiliser coating containing micronutrients
- Patent number 9,994,492
- Issue date Jun 12, 2018
- Yara UK Limited
- Stuart Charles Ward
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Use of a calcium potassium nitrate salt for the manufacture of a he...
- Patent number 9,932,509
- Issue date Apr 3, 2018
- Yara International ASA
- Torstein Obrestad
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for producing anhydrous calcium nitrate powder
- Patent number 9,908,787
- Issue date Mar 6, 2018
- Yara International ASA
- Torstein Obrestad
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for production of nitrate-containing products from undercool...
- Patent number 7,500,995
- Issue date Mar 10, 2009
- Yara International ASA
- Jan Birger Isaksen
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for manufacturing a calcium nitrate melt and product thereof
- Patent number 6,610,267
- Issue date Aug 26, 2003
- Norsk Hydro ASA
- Torstein Obrestad
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for making nitrogen-potassium fertilizer containing calcium...
- Patent number 6,176,892
- Issue date Jan 23, 2001
- Norsk Hydro ASA
- Torstein Obrestad
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Calcium nitrate based fertilizer
- Patent number 6,171,358
- Issue date Jan 9, 2001
- Norsk Hydro ASA
- Torstein Obrestad
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Agricultural composition and conditioning agent for reducing hygros...
- Patent number 5,603,745
- Issue date Feb 18, 1997
- Norsk Hydro a.s
- Jarl M. Pettersen
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method of manufacturing free-flowing ammonium nitrate particles app...
- Patent number 5,472,530
- Issue date Dec 5, 1995
- Norsk Hydro a.s
- Torstein Obrestad
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
NPK complex fertilizer
- Patent number 4,713,108
- Issue date Dec 15, 1987
- Norsk Hydro, a.s.
- Olav Kjohl
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
CALCIUM NITRATE AND POTASSIUM NITRATE FERTILISER PARTICLES
- Publication number 20220324763
- Publication date Oct 13, 2022
- YARA INTERNATIONAL ASA
- Amund MYRSTAD
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
CALCIUM NITRATE AND POTASSIUM NITRATE FERTILISER PARTICLES
- Publication number 20190389783
- Publication date Dec 26, 2019
- YARA INTERNATIONAL ASA
- Amund MYRSTAD
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
FERTILISER COATING CONTAINING MICRONUTRIENTS
- Publication number 20180201548
- Publication date Jul 19, 2018
- YARA UK LIMITED
- Stuart Charles Ward
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
CONDITIONING AGENT FOR A PARTICULATE FERTILIZER FOR REDUCING HYGROS...
- Publication number 20170283339
- Publication date Oct 5, 2017
- YARA INTERNATIONAL ASA
- Torstein OBRESTAD
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING ANHYDROUS CALCIUM NITRATE POWDER
- Publication number 20170096347
- Publication date Apr 6, 2017
- YARA INTERNATIONAL ASA
- Torstein Obrestad
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FERTILISER COATING CONTAINING MICRONUTRIENTS
- Publication number 20150376076
- Publication date Dec 31, 2015
- YARA UK LIMITED
- Stuart Charles Ward
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
USE OF A CALCIUM POTASSIUM NITRATE SALT FOR THE MANUFACTURE OF A HE...
- Publication number 20150344762
- Publication date Dec 3, 2015
- YARA INTERNATIONAL ASA
- Torstein OBRESTAD
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for production of nitrate-containing products from undercool...
- Publication number 20060013755
- Publication date Jan 19, 2006
- Jan Birger Isaksen
- C05 - FERTILISERS MANUFACTURE THEREOF

Torstein Obrestad

Person

Patents Grantslast 30 patents

Calcium nitrate and potassium nitrate fertiliser particles

Calcium nitrate and potassium nitrate fertiliser particles

Conditioning agent for a particulate fertilizer for reducing hygros...

Fertiliser coating containing micronutrients

Fertiliser coating containing micronutrients

Use of a calcium potassium nitrate salt for the manufacture of a he...

Method for producing anhydrous calcium nitrate powder

Method for production of nitrate-containing products from undercool...

Method for manufacturing a calcium nitrate melt and product thereof

Method for making nitrogen-potassium fertilizer containing calcium...

Calcium nitrate based fertilizer

Agricultural composition and conditioning agent for reducing hygros...

Method of manufacturing free-flowing ammonium nitrate particles app...

NPK complex fertilizer

Patents Applicationslast 30 patents

CALCIUM NITRATE AND POTASSIUM NITRATE FERTILISER PARTICLES

CALCIUM NITRATE AND POTASSIUM NITRATE FERTILISER PARTICLES

FERTILISER COATING CONTAINING MICRONUTRIENTS

CONDITIONING AGENT FOR A PARTICULATE FERTILIZER FOR REDUCING HYGROS...

METHOD FOR PRODUCING ANHYDROUS CALCIUM NITRATE POWDER

FERTILISER COATING CONTAINING MICRONUTRIENTS

USE OF A CALCIUM POTASSIUM NITRATE SALT FOR THE MANUFACTURE OF A HE...

Method for production of nitrate-containing products from undercool...