Inventor
Wolfgang Sirtl
Inventor
Bremen, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation29%
A23FCoffee14%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%
C07BGeneral methods of organic chemistry7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes7%
C12CBeer7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
6,180,755'Process for separating organic monomers or auxiliaries'20015,135,766'Process for the decaffeination of raw coffee'19924,490,398'Process for the preparation of spice extracts'19844,344,974'Process for decaffeinizing raw coffee'19824,280,961'Method of recovering and/or refining animal fats'19814,104,409'Production of hop extracts'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2001Based in Bremen, DE· patent location history
1981Patents assigned to HAUSSENER ERNST (1)· patent assignee history
1981–1984Based in Zurich, CH· patent location history
1982Patents assigned to KOFFEINFREI KAFFEE GMBH (1)· patent assignee history
1982Based in Bad Homburg, DE· patent location history
1984Patents assigned to HENKEL KGAA (1)· patent assignee history
1992Patents assigned to CR KAFFEEVEREDELUNG M HERMSEN (1)· patent assignee history
1992Based in Bremem, DE· patent location history
2001Patents assigned to JOACHIM BRIMMER INGENIEURBURO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CR KAFFEEVEREDELUNG M HERMSEN | 1 | 1992 |
| HAUSSENER ERNST | 1 | 1981 |
| HENKEL KGAA | 1 | 1984 |
| JOACHIM BRIMMER INGENIEURBURO | 1 | 2001 |
| KOFFEINFREI KAFFEE GMBH | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bremen, DE | 2 | 1978–2001 |
| Zurich, CH | 2 | 1981–1984 |
| Bremem, DE | 1 | 1992 |
| Bad Homburg, DE | 1 | 1982 |