Inventor
Werner Verhoeven
Inventor
Kalmthout, BE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge18%
C07CAcyclic or carbocyclic compounds18%
Y02PClimate change mitigation technologies in the production or processing of goods12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C01CAmmonia6%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C22BProduction and refining of metals6%
PatentTitleYear
6,858,758'Method for producing bisphenols'20056,761,828'Process for the reduction of concentration of nitrates and/or nitrogen-containing compounds by means of SO2 '20046,675,844'Method of loading moist, sticky bulk material into a fluid pervious container'20046,288,284'Method for producing bis(4-hydroxyaryl)alkanes'20016,045,696'Process for the purification of waste waters containing organic and inorganic sulphur compounds'20005,856,012'Process for the production of multilayer plastic sheets'19995,785,823'Process for the purification of bisphenol'19984,986,742'Process for the production of high-grade titanium dioxide by sulfate method'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2005Patents assigned to BAYER AG (8)· patent assignee history
1991–2005Based in Kalmthout, BE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 8 | 1991–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kalmthout, BE | 8 | 1991–2005 |