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US3372019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slow-release coating composition consiting of wax and ethylene vinylacetate
Assignee: Chevron USA Inc
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Filing: 1964-09-28
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Granted: 1968-03-05
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Richard C Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:57
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AS A SLOW-RELEASE AMTERIAL, A WATER-SOLUBLE PARTICULATE BODY HAVING A UNIFORMLY DISTRIBUTED COATING ON SAID BODY COMPRISING A MIXTURE OF FROM 25 TO 95% BY WEIGHT OF A WAX AND FROM 5 TO 75% BY WEIGHT OF A COPOLYMER OF EHTYLENE AND VINYL ACETATE, AND WHEREIN SAID COATING COMPRISES FROM 2 TO 25% BY WEIGHT OF SAID MATERIAL.
Claim 2
Dependent Claim
58 words
AS A SLOW-RELEASE AMTERIAL, A WATER-SOLUBLE PARTICULATE BODY HAVING A UNIFORMLY DISTRIBUTED COATING ON SAID BODY COMPRISING A MIXTURE OF FROM 25 TO 95% BY WEIGHT OF A WAX AND FROM 5 TO 75% BY WEIGHT OF A COPOLYMER OF EHTYLENE AND VINYL ACETATE, AND WHEREIN SAID COATING COMPRISES FROM 2 TO 25% BY WEIGHT OF SAID MATERIAL.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |