Inventor
Maria Norell
Inventor
Sundsvall, SE
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements41%
D21HPulp compositions14%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials9%
D21FPaper-making machines9%
B01DSeparation5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C02FTreatment of water, waste water, sewage, or sludge5%
C07CAcyclic or carbocyclic compounds5%
C13BProduction of sucrose5%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals5%
PatentTitleYear
6,551,457'Process for the production of paper'20036,355,141'Process for the production of paper'20026,113,741'Process for the production of paper'20005,788,815'Process for the production of paper'19985,624,545'Production of polysulphide by electrolysis of white liquor containing sulphide'19975,523,072'Process of producing chlorine dioxide'19965,091,166'Process for the production of chlorine dioxide'19925,002,746'Process for production of chlorine dioxide'19914,978,517'Process for the production of chlorine dioxide'19904,961,918'Process for production of chlorine dioxide'19904,938,943'Process for production of chlorine dioxide'19904,770,868'Process for production of chlorine dioxide'19884,678,654'Process for production of chlorine dioxide'19874,678,653'Process for preparing chlorine dioxide'19874,115,217'Process for electrolytic preparation of chlorites'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1987Patents assigned to KEMA NORD AB (3)· patent assignee history
1987–1992Based in Sundsvall, SE· patent location history
1988–1992Patents assigned to EKA NOBEL AB (6)· patent assignee history
1990Based in Linjevagen, SE· patent location history
1996–1997Patents assigned to EKA NOBEL INC (2)· patent assignee history
1996–2003Based in Hovas, SE· patent location history
1997–2000Based in Hov.ang.s, SE· patent location history
1998–2000Patents assigned to EKA CHEMICALS AB (2)· patent assignee history
2002–2003Patents assigned to AKZO NOBEL NV (2)· patent assignee history
2002Based in Hovs, SE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EKA NOBEL AB | 6 | 1988–1992 |
| KEMA NORD AB | 3 | 1978–1987 |
| AKZO NOBEL NV | 2 | 2002–2003 |
| EKA CHEMICALS AB | 2 | 1998–2000 |
| EKA NOBEL INC | 2 | 1996–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sundsvall, SE | 6 | 1987–1992 |
| Hov.ang.s, SE | 3 | 1997–2000 |
| Hovas, SE | 2 | 1996–2003 |
| Linjevagen, SE | 2 | 1990 |
| Hovs, SE | 1 | 2002 |