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Inventor

Maj-Lis Dahlgren

Inventor
Nödinge, SE

Overview

6→
Patents
1998–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C01Bprimary
C01BNon-metallic elements42%
D21HPulp compositions33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C02FTreatment of water, waste water, sewage, or sludge8%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials8%
PatentTitleYear
8,835,515'Silica-based sols'20147,919,535'Silica-based sols'20117,670,460'Production of paper using slica-based-sols'20107,662,306'Polysilicate microgels'20107,169,261'Silica-based sols'20075,800,603'Zeolite dispersion'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to EKA CHEMICALS AB (1)· patent assignee history
1998Based in Nodinge, SE· patent location history
2007–2014Patents assigned to AKZO NOBEL NV (5)· patent assignee history
2007–2014Based in Nödinge, SE· patent location history
2014Patents assigned to DAHLGREN MAJ-LIS (1)· patent assignee history
2014Patents assigned to JOHANSSON-VESTIN HANS ERIK (1)· patent assignee history
2014Patents assigned to PERSSON MICHAEL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AKZO NOBEL NV52007–2014
DAHLGREN MAJ-LISself12014
EKA CHEMICALS AB11998
JOHANSSON-VESTIN HANS ERIK12014
PERSSON MICHAEL12014
Locations
LocationPatentsSpan
Nödinge, SE52007–2014
Nodinge, SE11998