US2775561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscous composition and method of making the same
Assignee: Research Products Corp
•
Filing: 1952-07-02
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Granted: 1956-12-25
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Expires: 1972-07-02
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Frohmader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:08
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/92; A61K47/00; A61K47/44; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q19/00; A61Q19/10; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF PREPARING A THIXOTROPIC COMPOSITION HAVING THE CONSISTENCY OF A PLASTIC CREAM AND INCLUDING MINERAL OIL, WHICH COMPRISES DISSOLVING MICROCRYSTALLINE WAX IN SAID MINERAL OILS THE AMOUNT OF MICROCRYSTALLINE WAX BEING APPROXIMATELY 5% TO 25% OF THE COMBINED WEIGHT OF THE MINERAL OIL AND MICROCRYSTALLINE WAX, AND CHILLING SAID COMPOSITION UNIFORMLY AT A RATE OF AT LEAST 65 DEGREES C. PER MINUTE FROM A TEMPERATURE AT WHICH SAID MICROCRYSTALLINE WAX IS SOLUBLE IN SAID MINERAL OIL TO A TEMPERATURE AT WHICH SAID MICROCRYSTALLINE WAX IS INSOLUBLE IN SAID MINERAL OIL.
Claim 2
Independent Claim
92 words
THE METHOD OF PREPARING A THIXOTROPIC COMPOSITION HAVING THE CONSISTENCY OF A PLASTIC CREAM AND INCLUDING MINERAL OIL, WHICH COMPRISES DISSOLVING MICROCRYSTALLINE WAX IN SAID MINERAL OILS THE AMOUNT OF MICROCRYSTALLINE WAX BEING APPROXIMATELY 5% TO 25% OF THE COMBINED WEIGHT OF THE MINERAL OIL AND MICROCRYSTALLINE WAX, AND CHILLING SAID COMPOSITION UNIFORMLY AT A RATE OF AT LEAST 65 DEGREES C. PER MINUTE FROM A TEMPERATURE AT WHICH SAID MICROCRYSTALLINE WAX IS SOLUBLE IN SAID MINERAL OIL TO A TEMPERATURE AT WHICH SAID MICROCRYSTALLINE WAX IS INSOLUBLE IN SAID MINERAL OIL.
References Cited (Backward Citations)
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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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |