Patent US2833749A successfully refreshed from Google Patents.
US2833749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon containing addition products of partially hydrogenated rubbery polymers
Assignee: Phillips Petroleum Co
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Filing: 1953-04-23
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Granted: 1958-05-06
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Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Rufus V Jones
- 👤 Peter J Canterino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:26
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/25
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
56 words
AS NEW COMPOSITIONS OF MATTER, THE ADDITION PRODUCT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALOSILANES AND SILICON TETRAHALIDES, AND PARTIALLY HYDROGENATED COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF CONJUGATED DIENES AND COPOLYMERS OF CONJUGATED DIENES AND MONOMERS COPOLYMERIZABLE THEREWITH, THE RESIDUAL UNSATURATION OF SAID POLYMER BEING NOT GREATER THAN 50 PERCENT.
Claim 2
Dependent Claim
56 words
AS NEW COMPOSITIONS OF MATTER, THE ADDITION PRODUCT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALOSILANES AND SILICON TETRAHALIDES, AND PARTIALLY HYDROGENATED COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF CONJUGATED DIENES AND COPOLYMERS OF CONJUGATED DIENES AND MONOMERS COPOLYMERIZABLE THEREWITH, THE RESIDUAL UNSATURATION OF SAID POLYMER BEING NOT GREATER THAN 50 PERCENT.
Claim 3
Dependent Claim
68 words
THE PRODUCT PRODUCED BY REACTING BROMOSILANE WITH A PARTIALLY HYDROGENATED RUBBERY SYNTHETIC RUBBER SELECTED FROM POLYMERS OF CONJUGATED DIENES AND COPOLYMERS OF CONJUGATED DIENES AND MONOMERS COPOLYMERIZABLE THEREWITH, THE RESIDUAL UNSATURATION OF SAID POLYMER BEING NOT GREATER THAN 50 PERCENT, AND TREATING THE REACTION PRODUCT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER, ALIPHATIC ALCOHOLS CONTAINING NOT OVER 4 CARBON ATOMS PER MOLECULE, AND ALKOXY SILANES.
Claim 4
Dependent Claim
68 words
THE PRODUCT PRODUCED BY REACTING BROMOSILANE WITH A PARTIALLY HYDROGENATED RUBBERY SYNTHETIC RUBBER SELECTED FROM POLYMERS OF CONJUGATED DIENES AND COPOLYMERS OF CONJUGATED DIENES AND MONOMERS COPOLYMERIZABLE THEREWITH, THE RESIDUAL UNSATURATION OF SAID POLYMER BEING NOT GREATER THAN 50 PERCENT, AND TREATING THE REACTION PRODUCT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER, ALIPHATIC ALCOHOLS CONTAINING NOT OVER 4 CARBON ATOMS PER MOLECULE, AND ALKOXY SILANES.
References Cited (Backward Citations)
US2475122A
Cited
US2561177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |