Patent US2618384A successfully refreshed from Google Patents.
US2618384A
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Packaging of oil-soluble dyes in oil-soluble capsules
Assignee: Pure Oil Co
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Filing: 1950-01-28
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Granted: 1952-11-18
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Expires: 1970-01-28
Abstract
No abstract record available.
Inventors
- 👤 Jesse M Hatfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/46; B65D81/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
AN ARTICLE OF MANUFACTURE FOR DYEING PETROLEUM PRODUCTS COMPRISING, A PETROLEUM HYDROCARBON OIL SOLUBLE DYE BLENDED WITH A PARAFFIN WAX TO FORM A PASTE CONTAINING AT LEAST 2 PARTS DYE TO 1 PART WAX, THE DYE PASTE BEING ENCLOSED IN A THIN WALLED, HARD WAX CONTAINER, SAID CONTAINER BEING FABRICATED FROM A MICROCYSTALLINE WAX HAVING A MELTING POINT ABOVE ABOUT 130* F.
Claim 2
Dependent Claim
62 words
AN ARTICLE OF MANUFACTURE FOR DYEING PETROLEUM PRODUCTS COMPRISING, A PETROLEUM HYDROCARBON OIL SOLUBLE DYE BLENDED WITH A PARAFFIN WAX TO FORM A PASTE CONTAINING AT LEAST 2 PARTS DYE TO 1 PART WAX, THE DYE PASTE BEING ENCLOSED IN A THIN WALLED, HARD WAX CONTAINER, SAID CONTAINER BEING FABRICATED FROM A MICROCYSTALLINE WAX HAVING A MELTING POINT ABOVE ABOUT 130* F.
References Cited (Backward Citations)
GB191020726A
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US2018570A
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US2031233A
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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) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |