Inventor
Hansjurgen Hass
Inventor
Troisdorf, DE
Overview
Patents· 10 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 elsewhere19%
C04BLime, magnesia15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds7%
C03CChemical composition of glasses, glazes or vitreous enamels7%
C08JWorking-up7%
C23CCoating metallic material7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties4%
PatentTitleYear
4,822,420'Sealing composition for soil barriers'19894,772,327'Easy-working spray concrete'19884,759,665'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'19864,504,315'Liquid accelerator for the setting of concrete mixtures'19854,247,436'Aqueous solution of mixtures of silicon-organic compounds'19814,195,141'Aqueous solution of mixtures of silicon-organic compounds'19804,137,091'Impregnating agent for camouflage'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1988Patents assigned to DYNAMIT NOBEL AG (9)· patent assignee history
1979–1988Based in Troisdorf-Spich, DE· patent location history
1980–1989Based in Troisdorf, DE· patent location history
1989Patents assigned to HUELS TROISDORF (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DYNAMIT NOBEL AG | 9 | 1979–1988 |
| HUELS TROISDORF | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Troisdorf, DE | 6 | 1980–1989 |
| Troisdorf-Spich, DE | 4 | 1979–1988 |