US3012485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bituminous compositions
Assignee: Shell USA Inc
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Filing: 1959-03-30
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Granted: 1961-12-12
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Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
C; C08; C08L; C08L95/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR PREPARING A IMPROVED SURFACE FOR TRAFFIC AREAS WHICH COMPRISES MIXING A LIQUID POLYEPOXIDE HAVING MORE THAN ONE VIC-EPOXY GROUP WITH ASPHALT, A PARTIAL ESTER OF A POLYHYDROXY-CONTAINING COMPOUND OF THE GROUP CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC POLYHYDRIC ALCOHOLS AND AN ADDUCT OF AN ETHYLENICALLY UNSATURATED COMPOUND OF THE GROUP CONSISTING OF ETHYLENICALLY UNSATURATED ALIPHATIC HYDROCARBONS, ETHYLENICALLY UNSATURATED FATTY ACIDS AND THEIR ALKYL ESTERS, EACH MEMBER OF SAID GROUP CONTAINING AT LEAST 10 CARBON ATOMS, AND MALEIC ANHYDRIDE, AND HEATED AGGREGATE, MIXING THE COMPONENTS, SPREADING THE MIXTURE TO THE DESIRED THICKNESS, COMPACTING AND ALLOWING TO SET.
Claim 2
Dependent Claim
98 words
A PROCESS FOR PREPARING A IMPROVED SURFACE FOR TRAFFIC AREAS WHICH COMPRISES MIXING A LIQUID POLYEPOXIDE HAVING MORE THAN ONE VIC-EPOXY GROUP WITH ASPHALT, A PARTIAL ESTER OF A POLYHYDROXY-CONTAINING COMPOUND OF THE GROUP CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC POLYHYDRIC ALCOHOLS AND AN ADDUCT OF AN ETHYLENICALLY UNSATURATED COMPOUND OF THE GROUP CONSISTING OF ETHYLENICALLY UNSATURATED ALIPHATIC HYDROCARBONS, ETHYLENICALLY UNSATURATED FATTY ACIDS AND THEIR ALKYL ESTERS, EACH MEMBER OF SAID GROUP CONTAINING AT LEAST 10 CARBON ATOMS, AND MALEIC ANHYDRIDE, AND HEATED AGGREGATE, MIXING THE COMPONENTS, SPREADING THE MIXTURE TO THE DESIRED THICKNESS, COMPACTING AND ALLOWING TO SET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |