Inventor
Volker Diehl
Inventor
Ellerstadt, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds29%
B01DSeparation14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
B08BCleaning in general10%
C07BGeneral methods of organic chemistry10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors5%
C07DHeterocyclic compounds5%
F04DNon-positive-displacement pumps5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
PatentTitleYear
7,597,529'Method for filling a vertical tube with catalyst particles'20097,537,201'Thermal separating process'20097,331,354'Cleaning of tray columns which have been used for rectificatively treating liquids comprising (meth)acrylic acid and/or esters thereof'20087,287,534'Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated'20077,284,951'Method for conveying a liquid F containing at least one (meth)acrylic monomer'20077,150,809'Thermal separating process'20067,115,775'Method and device for the two-step production of acrylic acid'20067,109,374'Method for the continuous extraction of (meth)acrylic acid'20065,780,679'Separation of (meth)acrylic acid from the reaction gas mixture formed in the catalytic gas phase oxidation of C.sub.3 /C.sub.4 compounds'1998D0321342'Housing for magnetic strip reader or similar article'1991D0315156'Telephone with display and card reader for personal computer'19914,681,946'Preparation of nicotinamide'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2009Patents assigned to BASF AG (10)· patent assignee history
1987–2009Based in Ellerstadt, DE· patent location history
1991Patents assigned to IBM (2)· patent assignee history
1991Based in Neuweiler, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 10 | 1987–2009 |
| IBM | 2 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ellerstadt, DE | 10 | 1987–2009 |
| Neuweiler, DE | 2 | 1991 |