Mixture of fatty oil and polybutadiene treated by any two of the following: boiling,bodying,reaction with acids or acid anhydrides
Abstract
Abstract A MIXTURE OF NATURAL DRYING OR SEMI-DRYING OIL AND POLYBUTADIENE WHICH HAS A NUMBER AVERAGE MOLECULAR WEIGHT OF 200 TO 10,000 AND MORE THAN 50 PERCENT OF 1,2CONFIGURATION OF THE BUTADIENE UNIT IN ITS POLYMERIC CLAIM GIVES A COATING MATERIAL HAVING EXCELLENT PROPERTIES WHEN TREATED BY A BOILING TREATMENT, A BODYING TREATMENT AND AN ADDITION TREATMENT. AT LEAST TWO OF THESE THREE TREATMENTS MUST BE USED. THE BOILING OPERATION IS PERFORMED BY CONTACTING THE OIL COMPONENT WITH AIR OXYGEN AT A TEMPERATURE BETWEEN 60*C. AND 150*C., THE BODYING OPERATION IS PERFORMED BY A THERMAL TREATMENT AT A TEMPERATURE BETWEEN 100*C. AND 300*C. IN AN INERT ATMOSPHERE AND THE ADDITION OR ESTERIFICATION OPERATION IS PERFORMED BY REACTING WITH ORGANIC COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF MONO OR POLY CARBOXYLIC COMPOUNDS, ANHYDRIDE THEREOF AND CYCLOALIPHATIC DIENES IN AN INERT ATMOSPHERE.
Inventors
- 👤 Masanori Nagahisa
- 👤 Yoshimi Kusaka
- 👤 Koji Iino
- 👤 Zemichiro Yamamoto
Bibliographic Details
Claims Analysis
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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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |