US3194778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylidene chloride polymer-diolefin, low alkyl alkacrylate copolymer blend having improved low temperature properties
Assignee: Dow Chemical Co
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Filing: 1962-06-13
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Granted: 1965-07-13
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 George J Butzler
- 👤 George B Sterling
- 👤 Robert E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:46
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/08; C08L9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A POLYMERIC COMPOSITION COMPRISING A BLEND OF (I) FROM 70 TO 95% BY WEIGHT OF THE COMPOSITION OF A NORMALLY CRYSTALLINE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYLIDENE CHLORIDE AND INTERPOLYMERS OF AT LEAST ABOUT 70% BY WEIGHT OF VINYLIDENE CHLORIDE WITH UP TO ABOUT 30% BY WEIGHT OF AT LEAST ONE OTHER MONOETHYLENICALLY UNSATURATED COMONOMER AND (II) COMPLEMENTARILY FROM 5 TO 30% BY WEIGHT OF THE COMPOSITION OF A RUBBER-LIKE COPOLYMER CONSISTING OF (1) FROM 70 TO 95% BY WEIGHT OF OPEN CHAIN ALIPHATIC CONJUGATED DIOLEFIN HAVING FROM 4 TO ABOUT 9 CARBON ATOMS AND (2) 5 TO 30% BY WEIGHT OF A LOWER ALKYL ALKACRYLATE HAVING FROM 1 TO ABOUT 4 CARBON ATOMS IN THE ALKYL ESTER GROUP AND 1 TO 2 CARBON ATOMS IN THE ALPHA ALKYL GROUP.
Claim 2
Dependent Claim
132 words
A POLYMERIC COMPOSITION COMPRISING A BLEND OF (I) FROM 70 TO 95% BY WEIGHT OF THE COMPOSITION OF A NORMALLY CRYSTALLINE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYLIDENE CHLORIDE AND INTERPOLYMERS OF AT LEAST ABOUT 70% BY WEIGHT OF VINYLIDENE CHLORIDE WITH UP TO ABOUT 30% BY WEIGHT OF AT LEAST ONE OTHER MONOETHYLENICALLY UNSATURATED COMONOMER AND (II) COMPLEMENTARILY FROM 5 TO 30% BY WEIGHT OF THE COMPOSITION OF A RUBBER-LIKE COPOLYMER CONSISTING OF (1) FROM 70 TO 95% BY WEIGHT OF OPEN CHAIN ALIPHATIC CONJUGATED DIOLEFIN HAVING FROM 4 TO ABOUT 9 CARBON ATOMS AND (2) 5 TO 30% BY WEIGHT OF A LOWER ALKYL ALKACRYLATE HAVING FROM 1 TO ABOUT 4 CARBON ATOMS IN THE ALKYL ESTER GROUP AND 1 TO 2 CARBON ATOMS IN THE ALPHA ALKYL GROUP.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |