Patent US2861966A successfully refreshed from Google Patents.
US2861966A
Expired / Lapsed
US
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Core molding composition
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-10-05
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Granted: 1958-11-25
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Expires: 1976-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph L Betts
- 👤 John P Thorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:37
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/24; B22C1/22; B22C1/2206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A CORE OIL COMPOSITION COMPOSED OF ABOUT 30 TO 70 WT. PERCENT OF NON-VOLATILE MATTER WHICH COMPRISES ABOUT 20 TO 80 WT. PERCENT OF A HYDROCARBON POLYMER OIL BOILING BETWEEN ABOUT 400 AND 1000*F., HAVING AN IODINE NUMBER BETWEEN ABOUT 240 AND 320 AND A STAUDINGER MOLECULAR WEIGHT BETWEEN ABOUT 200 AND 1000, ABOUT 20 TO 80 WT. PERCENT OF A PETROLEUM RESIN HAVING A SOFTENING POINT BETWEEN ABOUT 158 AND 230*F., AN IODINE NUMBER BETWEEN ABOUT 92 AND 119 AND AN INTRINSIC VISCOSITY BETWEEN 0.037 AND 0.120 AND 20 TO 80 WT. PERCENT OF VEGETABLE OIL, AND ABOUT 70 TO 30 WT. PERCENT OF VOLATILE MATTER COMPRISING A HYDROCARBON SOLVENT BOILING BETWEEN ABOUT 130 AND 500%F. AND HAVING A KAURI-BUTANOL VALUE BETWEEN ABOUT 35 AND 130.
Claim 2
Dependent Claim
127 words
A CORE OIL COMPOSITION COMPOSED OF ABOUT 30 TO 70 WT. PERCENT OF NON-VOLATILE MATTER WHICH COMPRISES ABOUT 20 TO 80 WT. PERCENT OF A HYDROCARBON POLYMER OIL BOILING BETWEEN ABOUT 400 AND 1000*F., HAVING AN IODINE NUMBER BETWEEN ABOUT 240 AND 320 AND A STAUDINGER MOLECULAR WEIGHT BETWEEN ABOUT 200 AND 1000, ABOUT 20 TO 80 WT. PERCENT OF A PETROLEUM RESIN HAVING A SOFTENING POINT BETWEEN ABOUT 158 AND 230*F., AN IODINE NUMBER BETWEEN ABOUT 92 AND 119 AND AN INTRINSIC VISCOSITY BETWEEN 0.037 AND 0.120 AND 20 TO 80 WT. PERCENT OF VEGETABLE OIL, AND ABOUT 70 TO 30 WT. PERCENT OF VOLATILE MATTER COMPRISING A HYDROCARBON SOLVENT BOILING BETWEEN ABOUT 130 AND 500%F. AND HAVING A KAURI-BUTANOL VALUE BETWEEN ABOUT 35 AND 130.
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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |