Inventor
Gerd Emmrich
Inventor
Essen, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils32%
C07CAcyclic or carbocyclic compounds21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
B01DSeparation16%
C10LFuels not otherwise provided for5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
6,514,387'Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixtures'20036,124,514'Process for generating pure benzene from reformed gasoline'20005,401,365'High purity benzene production using extractive distillation'19955,080,761'Method of optimizing the operation of a distillation column provided with a side heating device'19925,031,754'Method of working up an overhead product of an extractive distillation of a hydrocarbon mixture and apparatus for same'19914,997,547'Method for the production of an aromate concentrate suitable for use as blending component for fuel'19914,925,535'Process for the production of an aromate concentrate suitable for use as blending component for gasification fuel'19904,776,927'Process for the separation of aromatic hydrocarbons from a hydrocarbon mixture'19884,586,986'Method of recovering pure aromatic substances'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1995Patents assigned to KRUPP KOPPERS GMBH (7)· patent assignee history
1986–2003Based in Essen, DE· patent location history
1995Patents assigned to CHEVRON CHEM CO (1)· patent assignee history
2000–2003Patents assigned to KRUPP UHDE GMBH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KRUPP KOPPERS GMBH | 7 | 1986–1995 |
| KRUPP UHDE GMBH | 2 | 2000–2003 |
| CHEVRON CHEM CO | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Essen, DE | 9 | 1986–2003 |