Patent US2716616A successfully refreshed from Google Patents.
US2716616A
Expired / Lapsed
US
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Treated bituminous and aggregate compositions
Assignee: 3M Co
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Filing: 1949-05-23
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Granted: 1955-08-30
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Expires: 1969-05-23
Abstract
No abstract record available.
Inventors
- 👤 John L Rendall
- 👤 Donald R Husted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION COMPRISING A BITUMINOUS MATERIAL AS THE DOMINANT INGREDIENT AND HAVING BLENDED THEREWITH FROM 0.05 TO 2% OF THE CONDENSATION PRODUCT OF (1) A CHLORINATED LIQUID PETROLEUM HYDROCARBON, COMPOSED PREDOMINANTLY OF C9 TO C30 HYDROCARBON, AND CONTAINING 5-30% OF COMBINED CHLORINE, AND (2) A LIQUID ALKYLENEPOLYAMINE; SAID CONDENSATION PRODUCT BEING SUBSTANTIALLY FREE OF CHLORINE AND BEING COMPOSED MAINLY OF MONOSUBSTITUTED HYDROCARBON ALKYLENEPOLYAMINES CONTAINING A TERMINAL PRIMARY AMINO (-NH2) RADICAL, SAID ALKYLENEPOLYAMINE GROUPS BEING LARGELY JOINED TO NON-TERMINAL CARBON ATOMS OF THE HYDROCARBON MOLECULES.
Claim 2
Dependent Claim
84 words
A COMPOSITION COMPRISING A BITUMINOUS MATERIAL AS THE DOMINANT INGREDIENT AND HAVING BLENDED THEREWITH FROM 0.05 TO 2% OF THE CONDENSATION PRODUCT OF (1) A CHLORINATED LIQUID PETROLEUM HYDROCARBON, COMPOSED PREDOMINANTLY OF C9 TO C30 HYDROCARBON, AND CONTAINING 5-30% OF COMBINED CHLORINE, AND (2) A LIQUID ALKYLENEPOLYAMINE; SAID CONDENSATION PRODUCT BEING SUBSTANTIALLY FREE OF CHLORINE AND BEING COMPOSED MAINLY OF MONOSUBSTITUTED HYDROCARBON ALKYLENEPOLYAMINES CONTAINING A TERMINAL PRIMARY AMINO (-NH2) RADICAL, SAID ALKYLENEPOLYAMINE GROUPS BEING LARGELY JOINED TO NON-TERMINAL CARBON ATOMS OF THE HYDROCARBON MOLECULES.
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) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |