US2701895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanization of butyl rubber with para substituted phenol dialcohols, and curing bag produced thereby
Assignee: Uniroyal Inc
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Filing: 1952-01-12
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Granted: 1955-02-15
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Expires: 1972-01-12
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
- 👤 Julian R Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:28
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0654; C; C08; C08L; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22; B29D2030/0655
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
A CURING BAG COMPRISING AN ANNULAR RESILIENT FORM ADAPTED TO CONFORM TO THE INTERIOR CONTOUR OF A PNEUMATIC TIRE CASING AND DEFINING AN INTERIOR CAVITY INFLATABLE WITH A FLUID MEDIUM TO CAUSE A TIRE CASING TO CONFORM TO A MOLD, SAID BAG BEING COMPRISED OF A RUBBERY COPOLYMER OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS AND FROM 0.5% TO 10% OF A CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS, VULCANIZED WITH FROM 3 TO 20 PARTS OF A CONDENSATION POLYMER OF A 2,6-DI METHYLOL-4-HYDROCARBON SUBSTITUTED PHENOL, PER 100 PARTS OF THE SAID RUBBERY COPOLYMER THE SAID HYDROCARBON SUBSTITUENT BEING SELECTED FROM THE GROUP COMSISTING OF ALKYL, CYCLOALKYL, ARYL AND ARALKYL RADICALS.
Claim 2
Dependent Claim
116 words
A CURING BAG COMPRISING AN ANNULAR RESILIENT FORM ADAPTED TO CONFORM TO THE INTERIOR CONTOUR OF A PNEUMATIC TIRE CASING AND DEFINING AN INTERIOR CAVITY INFLATABLE WITH A FLUID MEDIUM TO CAUSE A TIRE CASING TO CONFORM TO A MOLD, SAID BAG BEING COMPRISED OF A RUBBERY COPOLYMER OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS AND FROM 0.5% TO 10% OF A CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS, VULCANIZED WITH FROM 3 TO 20 PARTS OF A CONDENSATION POLYMER OF A 2,6-DI METHYLOL-4-HYDROCARBON SUBSTITUTED PHENOL, PER 100 PARTS OF THE SAID RUBBERY COPOLYMER THE SAID HYDROCARBON SUBSTITUENT BEING SELECTED FROM THE GROUP COMSISTING OF ALKYL, CYCLOALKYL, ARYL AND ARALKYL RADICALS.
Claim 3
Dependent Claim
73 words
AN ELASTIC CULCANIZATE COMPRISING CARBON BLACK AND A RUBBERY COPOLYMER OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS WITH FROM 0.5 TO 10% OF A CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS, VULCANIZED WITH FROM 3 TO 20 PARTS OF A 2,6-DIMETHYLOL-4-HYDROCARBON SUBSTITUTED PHENOL, PER 100 PARTS OF THE SAID RUBBERY COPOLYMER, THE SAID HYDROCARBON SUBSTITUENT BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL AND ARALKYL RADICALS.
Claim 4
Dependent Claim
73 words
AN ELASTIC CULCANIZATE COMPRISING CARBON BLACK AND A RUBBERY COPOLYMER OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS WITH FROM 0.5 TO 10% OF A CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS, VULCANIZED WITH FROM 3 TO 20 PARTS OF A 2,6-DIMETHYLOL-4-HYDROCARBON SUBSTITUTED PHENOL, PER 100 PARTS OF THE SAID RUBBERY COPOLYMER, THE SAID HYDROCARBON SUBSTITUENT BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL AND ARALKYL RADICALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |