Aggregate binder and paving composition
Abstract
Abstract A BINDER FOR USE WITH AN AGGREGATE FOR FORMING A PAVING COMPOSITION IN WHICH SAID BINDER COMPRISES A MIXTURE INCLUDING FROM ABOUT 5% TO ABOUT 30% OF A LOW MOLECULAR WEIGHT SUB-MIXTURE CONSITING ESSENTIALLY OF FATTY AND ROSIN ACIDS AND SAPONIFIABLE ESTERS AND HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM ABOUT 80 TO ABOUT 720, FROM ABOUT 5% TO ABOUT 40% OF A SUB-MIXTURE OF UNSAPONIFIABLE MATERIAL, AND FROM ABOUT 30% TO ABOUT 90% OF A HIGHER MOLECULAR WEIGHT SUB-MIXTURE CONSISTING ESSENTIALLY OF FATTY AND ROSIN ACIDS, DECARBOXYLATED ROSINS, AND POLYMERIZED UNSAPONIFIABLE MATTER AND HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM ABOUT 460 TO ABOUT 1200. SAID MIXTURE IS REACTED WITH A REACTING AND DISPERSING AGENT AND IS THEN MIXED WITH AN AGGREGATE, OR WITH AN AGGREGATE AND ANOTHER BINDER SUCH AS AN ASPHALTIC MATERIAL OF PORTLAND CEMENT TO FORM A PAVING COMPOSITION WITH HIGH COMPRESSIVE STRENGTH.
Inventors
- 👤 Kenneth E Mcconnaughay
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |