Inventor
OBRESTAD TORSTEIN
NO14 patents
⚠️ This page may combine multiple inventors who share the name “OBRESTAD TORSTEIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORSK HYDRO AS
6 patentsUS5603745AFeb 18, 1997
Agricultural composition and conditioning agent for reducing hygroscopicity and dust formation of fertilizers
NORSK HYDRO AS24 citations85
US6610267B1Aug 26, 2003
Method for manufacturing a calcium nitrate melt and product thereof
NORSK HYDRO AS7 citations68
US6176892B1Jan 23, 2001
Method for making nitrogen-potassium fertilizer containing calcium nitrate and products thereof
NORSK HYDRO AS8 citations67
US5472530ADec 5, 1995
Method of manufacturing free-flowing ammonium nitrate particles applying an anticaking agent
NORSK HYDRO AS7 citations65
US4713108ADec 15, 1987
NPK complex fertilizer
NORSK HYDRO AS5 citations55
US6171358B1Jan 9, 2001
Calcium nitrate based fertilizer
NORSK HYDRO AS5 citations51
YARA INT ASA
6 patentsUS10294170B2May 21, 2019
Conditioning agent for a particulate fertilizer for reducing hygroscopicity and dust formation
YARA INT ASA1 citations58
US12103896B2Oct 1, 2024
Calcium nitrate and potassium nitrate fertiliser particles
YARA INT ASA0 citations56
US11485689B2Nov 1, 2022
Calcium nitrate and potassium nitrate fertiliser particles
YARA INT ASA0 citations56
US7500995B2Mar 10, 2009
Method for production of nitrate-containing products from undercooling melts
YARA INT ASA2 citations53
US9932509B2Apr 3, 2018
Use of a calcium potassium nitrate salt for the manufacture of a heat transfer fluid
YARA INT ASA1 citations44
US9908787B2Mar 6, 2018
Method for producing anhydrous calcium nitrate powder
YARA INT ASA0 citations40