US3015635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing epoxy esters and bituminous materials
Assignee: Shell USA Inc
•
Filing: 1957-05-21
•
Granted: 1962-01-02
•
Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Bradley
- 👤 Harry J Sommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:47
CPC Classifications
C; C08; C08L; C08L63/00; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/16; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08L63/10; C08L95/00; C09; C09D; C09D163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A COMPOSITION CONSISTING ESSENTIALLY OF A BITUMINOUS MATERIAL AND FROM 1% TO 85% BY WEIGHT OF THE COMBINED MIXTURE OF AN EPOXY ORGANIC ESTER POSSESSING MORE THAN ONE VIC-EPOXY GROUP AND AT LEAST 8 CARBON ATOMS IN THE ACID PORTION OF THE ESTER MOLECULE.
Claim 2
Dependent Claim
44 words
A COMPOSITION CONSISTING ESSENTIALLY OF A BITUMINOUS MATERIAL AND FROM 1% TO 85% BY WEIGHT OF THE COMBINED MIXTURE OF AN EPOXY ORGANIC ESTER POSSESSING MORE THAN ONE VIC-EPOXY GROUP AND AT LEAST 8 CARBON ATOMS IN THE ACID PORTION OF THE ESTER MOLECULE.
References Cited (Backward Citations)
US2783250A
Cited
US2761870A
Cited
US2765288A
Cited
US2764497A
Cited
US2940986A
Cited
US2956034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |