Inventor
Klaus Schmiedel
Inventor
Konigstein, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds25%
B24DTools for grinding, buffing or sharpening13%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium13%
C02FTreatment of water, waste water, sewage, or sludge13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
H04BTransmission13%
H04LTransmission of digital information, e.g. telegraphic communication13%
PatentTitleYear
5,028,736'Process for the separation and recovery of naphthalene-sulfonic acids from aqueous solutions'19914,756,025'Method and device for data transmission over several parallel lines, in particular optical fibers'19884,350,800'Process for the preparation of synthetic resins based on resorcinol compounds'19824,145,283'Process for the purification of waste water'19794,056,455'Process for the continuous preparation of mono- or di-(trichloromethyl)-benzenes'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1991Patents assigned to HOECHST AG (4)· patent assignee history
1977–1979Based in Konigstein/Taunus, DE· patent location history
1982–1991Based in Konigstein, DE· patent location history
1988Patents assigned to SIEMENS AG (1)· patent assignee history
1988Based in Erlangen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 4 | 1977–1991 |
| SIEMENS AG | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Konigstein, DE | 2 | 1982–1991 |
| Konigstein/Taunus, DE | 2 | 1977–1979 |
| Erlangen, DE | 1 | 1988 |