Patent US2956044A successfully refreshed from Google Patents.
US2956044A
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Acryloxymethylsilicon polymers
Assignee: Dow Silicones Corp
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Filing: 1956-08-06
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Granted: 1960-10-11
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert L Merker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:06
CPC Classifications
C; C08; C08F; C08F230/00; C08F230/04; C08F230/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A MODIFIED ACRYLIC RESIN CONSISTING ESSENTIALLY OF AN ADDITION COPOLYMER OF (A) FROM 1 TO 99 MOLAR PERCENT OF AN ORGANOSILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) SILOXANES CONSISTING OF POLYMERIC UNITS OF THE FORMULA
Claim 2
Dependent Claim
89 words
A MODIFIED ACRYLIC ARSI CONSISTING ESSENTIALLY OF AN ADDITION COPOLYMER OF (A) FROM 1 TO 99 MOLAR PERCENT OF AN ORGANOSILICON COMPOUND OF THE FORMULA CH2=CRCOOCH2SIR''3 WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND THE METHYL RADICAL AND R1 IS A MONOVALENT HYDROCARBON RADICAL, AND (B) FROM 99 TO 1 MOLAR PERCENT OF A POLYMERIZABLE VINYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) COMPOUNDS OF THE FORMULA CH2=CHX WHERE X IS SELECTED FROM THE GROUP CONSISTING OF C1 ATOMS AND -C6H5, -C6H4CH=CH2, -C6H3C12, -CN, -OOCCH3
References Cited (Backward Citations)
US2692887A
Cited
US2793223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |