Patent US3206427A successfully refreshed from Google Patents.
US3206427A
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US
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Vinylidene chloride polymer compositions having improved low temperature properties
Assignee: Dow Chemical Co
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Filing: 1963-04-18
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Granted: 1965-09-14
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Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 George J Butzler
- 👤 William D Shelburg
- 👤 George B Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:24
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/08; C08L33/00; C08L33/04; C08L33/06; C08L33/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A POLYMERIC COMPOSITION COMPRISING A BLEND OF (I) FROM ABOUT 70 TO 95 PERCENT BY WEIGHT OF THE COMPOSITION OF A NORMALLY CRYSTALLINE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINLIDNEE CHLORIDE AND INTERPOLYMERS OF AT LEAST ABOUT 70 PERCENT BY WEIGHT OF VINYLIDENE CHLORIDE WITH UP TO ABOUT 30 PERCENT BY WEIGHT OF AT LEAST ONE OTHER MONOETHYLENICALLY UNSATURATED COMONOMER AND (II) COMPLEMENTARILY FROM ABOUT 5 TO 30 PERCENT BY WEIGHT OF THE COMPOSITION OF A RUBBERY INTERPOLYMER CONSISTING OF (1) FROM ABOUT 70 TO 95 PERCENT BY WEIGHT OF AT LEAST ONE ALKYL ESTER OF ACRYLIC ACID CONTAINING FROM 4 TO 8 CARBON ATOMS IN THE ALKYL CONSTITUENT AND (2) FROM ABOUT 5 TO 30 PERCENT BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF A LOWER ALKYLLOWER ALKENYL KETONE AND A LOWER ALKYL ALKACRYLATE.
Claim 2
Dependent Claim
141 words
A POLYMERIC COMPOSITION COMPRISING A BLEND OF (I) FROM ABOUT 70 TO 95 PERCENT BY WEIGHT OF THE COMPOSITION OF A NORMALLY CRYSTALLINE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINLIDNEE CHLORIDE AND INTERPOLYMERS OF AT LEAST ABOUT 70 PERCENT BY WEIGHT OF VINYLIDENE CHLORIDE WITH UP TO ABOUT 30 PERCENT BY WEIGHT OF AT LEAST ONE OTHER MONOETHYLENICALLY UNSATURATED COMONOMER AND (II) COMPLEMENTARILY FROM ABOUT 5 TO 30 PERCENT BY WEIGHT OF THE COMPOSITION OF A RUBBERY INTERPOLYMER CONSISTING OF (1) FROM ABOUT 70 TO 95 PERCENT BY WEIGHT OF AT LEAST ONE ALKYL ESTER OF ACRYLIC ACID CONTAINING FROM 4 TO 8 CARBON ATOMS IN THE ALKYL CONSTITUENT AND (2) FROM ABOUT 5 TO 30 PERCENT BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF A LOWER ALKYLLOWER ALKENYL KETONE AND A LOWER ALKYL ALKACRYLATE.
References Cited (Backward Citations)
US2646417A
Cited
US3084065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |