US3244664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon-containing polymers
Assignee: Phillips Petroleum Co
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Filing: 1960-10-24
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Granted: 1966-04-05
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Robert P Zelinski
- 👤 Carl A Uraneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G77/442; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44; C08F; C08F36/00; C08F36/02; C08F36/04; C08F8/00; C08F8/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PROCESS FOR MAKING A POLYMERIC PRODUCT WHICH COMPRISES REACTING A POLYMER WHIHC IS A POLYMERIZATE OF A VINYLIDENE-CONTAINING MONOMER AND CONTAINS AT LEAST ONE TERMINAL ALKALI METAL ATOM PERMOLECULE WITH A SILICIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING 1 SILICON ATOM PER MOLECULE, OPEN CHAIN SILOXANES HAVING 2 TO 12 SILICON ATOMS PER MOLECULE, AND CYCLIC SILOXANES HAVING 3 TO 6 SILICON ATOMS PER MOLECULE, SAID SILICI COMPOUND CONTAINING AT LEAST TWO SUBSTITUTENTS PER MOLECULE SELECTED FROM THE GROUP CONSISTING OF HALOGEN, OR,NR2, AND SR ATTACHED TO SAID SILICON ATOMS WITH THE REMAINING VALENCES OF SAID SILICON ATOMS ATTACHED TO AN R RADICAL WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, CYCLOALKYL, ARYL, ARALKYL, AND ALKARYL RADICALS CONTAINING UP TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
131 words
A PROCESS FOR MAKING A POLYMERIC PRODUCT WHICH COMPRISES REACTING A POLYMER WHIHC IS A POLYMERIZATE OF A VINYLIDENE-CONTAINING MONOMER AND CONTAINS AT LEAST ONE TERMINAL ALKALI METAL ATOM PERMOLECULE WITH A SILICIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING 1 SILICON ATOM PER MOLECULE, OPEN CHAIN SILOXANES HAVING 2 TO 12 SILICON ATOMS PER MOLECULE, AND CYCLIC SILOXANES HAVING 3 TO 6 SILICON ATOMS PER MOLECULE, SAID SILICI COMPOUND CONTAINING AT LEAST TWO SUBSTITUTENTS PER MOLECULE SELECTED FROM THE GROUP CONSISTING OF HALOGEN, OR,NR2, AND SR ATTACHED TO SAID SILICON ATOMS WITH THE REMAINING VALENCES OF SAID SILICON ATOMS ATTACHED TO AN R RADICAL WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, CYCLOALKYL, ARYL, ARALKYL, AND ALKARYL RADICALS CONTAINING UP TO 20 CARBON ATOMS.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |