US3660335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum wax blends
Assignee: Honeywell International Inc
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Filing: 1966-06-21
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Granted: 1972-05-02
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Expires: 1986-06-21
Abstract
Abstract BLENDS OF PETROLEUM WAX WITH (1) FROM 1 TO 20 WT. PERCENT OF POLYBUTENE-1 HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 50,000 TO 1,000,000 AND AN ISOTACTIC CONTENT OF ABOUT 50 TO 98 WT. PERCENT, AND (2) FROM 1 TO 20 WT. PERCENT OF AN ETHYLENE/VINYL ACETATE COPOLYMER CONTAINING FROM ABOUT 10 TO 40 WT. PERCENT VINYL ACETATE HAVE IMPROVED TENSILE STRENGTH, HARDNESS, SOFTENING POINTS AND GLOSS, WITHOUT MARKEDLY INCREASED VISCOSITY OR SHRINKAGE, AND HAVE CLOUD POINTS NOT APPRECIABLY HIGHER THAN THAT OF THE PETROLEIUM WAX CONSTITUENT. THESE BLENDS ARE PARTICULARLY USEFUL AS OCATINGS FOR PAPER, PAPERBOARD AND THE LIKE.
Inventors
- 👤 Charles D Mason
- 👤 Julius P Rakus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:08
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; C; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |