Inventor
Ralf Lange
Inventor
Krefeld, DE
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds14%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
A61KPreparations for medical, dental or toiletry purposes11%
C11DDetergent compositions11%
B01DSeparation8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,370,316Narrow range alcohol alkoxylates and derivatives thereof201910,099,983Narrow range alcohol alkoxylates and derivatives thereof201810,099,984Narrow range alcohol alkoxylates and derivatives thereof20189,828,321Narrow range alcohol alkoxylates and derivatives thereof20177,169,359'Bioequivalence test for iron-containing formulations'20076,960,571'Methods and compositions for administration of iron for the treatment of restless leg syndrome'20056,911,342'Bioequivalence test for iron-containing formulations'20056,737,462'Thermally stable, weather-resistant polyamide moulding compositions'20046,293,950'Resorbable pin systems'20015,624,668'Iron dextran formulations'19975,605,945'Polyamide compounds containing diepoxide and having high viscosity'19975,306,803'Process for cleaning thermoplasts by friction compacting'19944,735,721'Polyether-copolycarbonates for dialysis membranes'19884,607,070'Polyether-copolycarbonates for dialysis membranes'19864,563,516'Polyether-polycarbonates for dialysis membranes'19864,098,754'Process for the preparation of high molecular thermoplastic polycarbonates of low flammability'19783,979,454'Process for the production of alkyl sulphonic acid hydroxy alkyl amides'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2004Patents assigned to BAYER AG (8)· patent assignee history
1976–2004Based in Krefeld, DE· patent location history
1997–2007Patents assigned to LUITPOLD PHARM INC (5)· patent assignee history
1997–2007Based in Amagansett, NY, US· patent location history
2017–2019Patents assigned to PROCTER & GAMBLE (4)· patent assignee history
2017–2019Based in Singapore, SG· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 8 | 1976–2004 |
| LUITPOLD PHARM INC | 5 | 1997–2007 |
| PROCTER & GAMBLE | 4 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Krefeld, DE | 8 | 1976–2004 |
| Amagansett, New York, US | 5 | 1997–2007 |
| Singapore, SG | 4 | 2017–2019 |