Inventor
Rudolf Stephan
Inventor
Ludwigshafen, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds41%
C07CAcyclic or carbocyclic compounds29%
C04BLime, magnesia6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis6%
F24FAir-conditioning6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
PatentTitleYear
6,367,275'Method of cooling air in the under-roof spaces of buildings'20024,788,253'Thermoplastic molding material'19884,634,734'Thermoplastic molding material'19874,468,353'Method of preparing alkoxymethylene compounds'19844,442,263'Thermoplastic molding materials'19844,433,102'Thermoplastic molding materials'19844,393,164'Transparent impact-resistant molding material'19834,277,418'Method of preparing alkoxymethylene compounds'19814,200,702'Self-extinguishing thermoplastic molding compositions'19804,104,328'Impact resistant thermoplastic molding compositions'19784,080,393'Method of rectifying solvents of the chlorinated hydrocarbon series'19784,069,265'Stabilization of 1,1,1-trichloroethane with a four component system'19783,959,397'Stabilization of 1,1,1-trichloroethane with a three component system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1984Patents assigned to DYNAMIT NOBEL AG (5)· patent assignee history
1976–1978Based in Troisdorf-Sieglar, DE· patent location history
1978–1988Patents assigned to BASF AG (7)· patent assignee history
1978–1988Based in Ludwigshafen, DE· patent location history
1981–1984Based in Troisdorf, DE· patent location history
2002Patents assigned to LUIGI RIVA (1)· patent assignee history
2002Based in Wolfsburg-Ehmen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 7 | 1978–1988 |
| DYNAMIT NOBEL AG | 5 | 1976–1984 |
| LUIGI RIVA | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ludwigshafen, DE | 7 | 1978–1988 |
| Troisdorf-Sieglar, DE | 3 | 1976–1978 |
| Troisdorf, DE | 2 | 1981–1984 |
| Wolfsburg-Ehmen, DE | 1 | 2002 |