US3351572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent-rubber systems of low viscosity
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-06-30
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Granted: 1967-11-07
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Alexander K Jameson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:05
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/16; C09J121/00; C09J123/18; C09J123/20; C09J123/22; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A SOLVENT-RUBBER SYSTEM COMPRISING IN COMBINATION AN ISOPARAFFINIC SOLVENT AND AT LEAST TWO CO-MILLED RUBBERS WHEREIN AT LEAST ONE RUBBER IS A SOLUBLE RUBBER SELECTGED FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTYL RUBBER, POLYISOBUTYLENE, ETHYLENE-PROPPYLENE RUBBER, POLYISOPRENE, AND COMBINATIONS THEREOF AND WHEREIN A SECOND RUBBER IS AN INSOLUBLE RUBBER SELECTED FROM THE GROUP CONSISTING OF STYRENE-BUTADIENE RUBBER, NEOPRENE, POLYBUTADIENE, NITRILE RUBBER, AND COMBINATIONS THEREOF; THE TOTAL RUBBER CONCENTRATION BEING IN THE RANGE BETWEEN ABOUT 0.5 AND 3.0 POUNDS OF RUBBER JPER GALLON OF SAID SOLVENT AND THE AMOUNT OF INSOLUBLE RUBBER ACCOUNTING FOR 10 TO 75 WT. PERCENT OF THE TOTAL RUBBER CONCENTRATION WHEREIN THE ISOPARAFFINIC SILVENT CONTAINS AT LEAST 95 VOLUME PERCENT ISOPARAFFINS AND HAS AN ASTM DISTILLATION RANGE OF ABOUT 200 TO ABOUT 220*F.
Claim 2
Dependent Claim
127 words
A SOLVENT-RUBBER SYSTEM COMPRISING IN COMBINATION AN ISOPARAFFINIC SOLVENT AND AT LEAST TWO CO-MILLED RUBBERS WHEREIN AT LEAST ONE RUBBER IS A SOLUBLE RUBBER SELECTGED FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTYL RUBBER, POLYISOBUTYLENE, ETHYLENE-PROPPYLENE RUBBER, POLYISOPRENE, AND COMBINATIONS THEREOF AND WHEREIN A SECOND RUBBER IS AN INSOLUBLE RUBBER SELECTED FROM THE GROUP CONSISTING OF STYRENE-BUTADIENE RUBBER, NEOPRENE, POLYBUTADIENE, NITRILE RUBBER, AND COMBINATIONS THEREOF; THE TOTAL RUBBER CONCENTRATION BEING IN THE RANGE BETWEEN ABOUT 0.5 AND 3.0 POUNDS OF RUBBER JPER GALLON OF SAID SOLVENT AND THE AMOUNT OF INSOLUBLE RUBBER ACCOUNTING FOR 10 TO 75 WT. PERCENT OF THE TOTAL RUBBER CONCENTRATION WHEREIN THE ISOPARAFFINIC SILVENT CONTAINS AT LEAST 95 VOLUME PERCENT ISOPARAFFINS AND HAS AN ASTM DISTILLATION RANGE OF ABOUT 200 TO ABOUT 220*F.
References Cited (Backward Citations)
US2300352A
Cited
US2567671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |