Inventor
Rudolf Burkhardt
Inventor
Troisdorf, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
C04BLime, magnesia13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C07CAcyclic or carbocyclic compounds7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
E02DFoundations7%
PatentTitleYear
4,822,420'Sealing composition for soil barriers'19894,759,665'Consolidating and/or sealing soils and composition therefor'19884,645,382'Method for the isolation of pollutants in soil strata'19874,609,487'Gel-forming mixture based on an alkali silicate and a trialkoxysilane'19864,565,577'Pollutant-resistant sealing composition'19864,289,895'Method for the preparation of oligomeric alkylene terephthalates'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1988Patents assigned to DYNAMIT NOBEL AG (5)· patent assignee history
1981–1988Based in Troisdorf, DE· patent location history
1989Patents assigned to HUELS TROISDORF (1)· patent assignee history
1989Based in Vettelschoss, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DYNAMIT NOBEL AG | 5 | 1981–1988 |
| HUELS TROISDORF | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Troisdorf, DE | 5 | 1981–1988 |
| Vettelschoss, DE | 1 | 1989 |