Inventor
Carl D. Frohning
Inventor
Wesel, DE
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds43%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry28%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
F25BRefrigeration machines, plants or systems3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
C02FTreatment of water, waste water, sewage, or sludge2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C10MLubricating compositions2%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions2%
C12CBeer2%
PatentTitleYear
7,259,279'Process for preparing aldehydes'20077,102,034'Process for preparing sulfonated arylphosphines'20066,864,387'Process for preparing sulfonated arylphosphines'20056,700,021'Preparation of aldehydes'20046,610,881'Method for producing sulfonated aryl phosphines'20036,358,419'Process for the purification of wastewater from the aldolization reaction'20026,274,774'Process for preparing aldehydes in the presence of an aqueous phase containing rhodium and sulphonated triarylphosphines as catalyst'20016,211,414'Process for preparing aldehydes by hydroformylation'20016,191,063'Catalyst and process for the production of aldehydes by hydroformylation of olefinically unsaturated compounds'20016,160,180'Tertiary phosphanes containing alkylene glycol groups'20006,096,931'Process for preparing alcohols'20005,684,215'One stage process for the preparation of alcohols'19975,663,445'Process for the preparation of alcohols or amines'19975,600,030'Hydrogenation catalyst, a process for its preparation and use thereof'19975,550,297'Process for the preparation of alcohols or amines'19965,498,587'Hydrogenation catalyst, a process for its preparation, and use thereof'19965,475,161'Process for the preparation of alcohols in two stages'19955,410,072'Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants'19955,302,569'Copper/zinc oxide/aluminum oxide-containing catalysts'19945,155,084'Supported catalysts and a process for their preparation'19924,956,328'Process for the preparation of catalyst compositions containing nickel, alumina, and zirconium dioxide and catalysts made therefrom'19904,564,642'Process for the manufacture of unsaturated hydrocarbons'19864,472,526'Process for producing ethanol and n-propanol from methanol and synthesis gas'19844,455,395'Process for the production of unsaturated hydro-carbons'19844,424,383'Process for producing ethanol and n-propanol from methanol'19844,423,156'Process for preparing unsaturated hydrocarbons'19834,355,192'Process for the production of ethanol and n-propanol from methanol'19824,337,363'Process for the preparation of 3-(4-methyl-3-cyclohexen-1-yl) butyraldehyde'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Patents assigned to RUHRCHEMIE AG (7)· patent assignee history
1982–1986Based in Oberhausen, DE· patent location history
1990–2002Patents assigned to HOECHST AG (11)· patent assignee history
1990–2007Based in Wesel, DE· patent location history
2000–2006Patents assigned to CELANESE CHEM EUROPE GMBH (4)· patent assignee history
2000–2001Patents assigned to CELANESE GMBH (4)· patent assignee history
2003Patents assigned to CELANESE CHEMICALS EUROP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 11 | 1990–2002 |
| RUHRCHEMIE AG | 7 | 1982–1986 |
| CELANESE CHEM EUROPE GMBH | 4 | 2000–2006 |
| CELANESE GMBH | 4 | 2000–2001 |
| CELANESE CHEMICALS EUROP | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wesel, DE | 21 | 1990–2007 |
| Oberhausen, DE | 7 | 1982–1986 |