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Inventor

Ulla-Kari Holmstrom

Inventor
Sundsvall, SE

Overview

3→
Patents
1987–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C01Bprimary
C01BNon-metallic elements50%
B01DSeparation17%
C13BProduction of sucrose17%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals17%
PatentTitleYear
5,356,610'Method for removing impurities from an alkali metal chlorate process'19945,350,495'Method for separating impurities from an aqueous alkali metal chlorate electrolyte'19944,678,654'Process for production of chlorine dioxide'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to KEMA NORD AB (1)· patent assignee history
1987–1994Based in Sundsvall, SE· patent location history
1994Patents assigned to EKA NOBEL AB (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EKA NOBEL AB21994
KEMA NORD AB11987
Locations
LocationPatentsSpan
Sundsvall, SE31987–1994