Patent US2775561A successfully refreshed from Google Patents.
US2775561A
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Viscous composition and method of making the same
Assignee: Research Products Corp
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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
2026-11-03 12:13
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)
US314488A
Cited
US316058A
Cited
US2098007A
Cited
US2384848A
Cited
US2535604A
Cited
US2627938A
Cited
US2595158A
Cited
US2617754A
Cited
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 |