Inventor
Keijo A. Ukkonen
Inventor
Kuusankoski, FI
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Jprimary
C07JSteroids33%
C01BNon-metallic elements17%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium17%
C08LCompositions of macromolecular compounds17%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals17%
PatentTitleYear
7,371,876'Process for the purification of sterols from hydrocarbon extracts using evaporative fractionation'20085,651,875'Process for producing alkali metal hydroxide'19974,477,613'Stabilization of tackifying resin dispersions'19844,279,827'Process for the preparation of a .beta.-sitosterol concentrate containing less than 5% by weight of .alpha.-sitosterol'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to KAUKAS AB OY (1)· patent assignee history
1981Based in Lappeenranta, FI· patent location history
1984Patents assigned to SYLVACHEM CORP (1)· patent assignee history
1984Based in Lynn Haven, FL, US· patent location history
1997Patents assigned to EKA CHEMICALS OY (1)· patent assignee history
1997Based in Oulu, FI· patent location history
2008Patents assigned to STEROL TECHNOLOGIES LTD (1)· patent assignee history
2008Based in Kuusankoski, FI· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EKA CHEMICALS OY | 1 | 1997 |
| KAUKAS AB OY | 1 | 1981 |
| STEROL TECHNOLOGIES LTD | 1 | 2008 |
| SYLVACHEM CORP | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kuusankoski, FI | 1 | 2008 |
| Oulu, FI | 1 | 1997 |
| Lynn Haven, Florida, US | 1 | 1984 |
| Lappeenranta, FI | 1 | 1981 |