US3075946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saran compositions and dimensionally stable products therefrom
Assignee: Dow Chemical Co
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Filing: 1959-09-21
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Granted: 1963-01-29
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Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Carl P Zupic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:23
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/08; C08L23/00; C08L23/02; C08L23/04; C08L23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A COMPOSITION ADAPTED TO BE FABRICATED INTO ORIENTED ARTICLES HAVING IMPROVED DIMENSIONAL STABILITY UPON XPOSURE TO HEAT AT ELEVATED TEMPERATURES, WHICH COMPOSITION COMPRISES (A) BETWEEN ABOUT 75 AND ABOUT 99.5 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF A NORMALLY CRYSTALLINE VINYLIDENE CHLORIDE POLYMER RESIN AND (B) BETWEEN ABOUT 0.5 AND ABOUT 25 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF A NORMALLY SOLID, ESSENTIALLY LINEAR, MACROMOLECULAR POLYETHYLENE HAVING A DENSITY IN THE RANGE OF ABOUT 0.94 TO 0.96 GRAM PER CUBIC CENTIMETER AND A MELTING POINT BETWEEN ABOUT 125* AND ABOUT 135*C.
Claim 2
Dependent Claim
91 words
A COMPOSITION ADAPTED TO BE FABRICATED INTO ORIENTED ARTICLES HAVING IMPROVED DIMENSIONAL STABILITY UPON XPOSURE TO HEAT AT ELEVATED TEMPERATURES, WHICH COMPOSITION COMPRISES (A) BETWEEN ABOUT 75 AND ABOUT 99.5 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF A NORMALLY CRYSTALLINE VINYLIDENE CHLORIDE POLYMER RESIN AND (B) BETWEEN ABOUT 0.5 AND ABOUT 25 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF A NORMALLY SOLID, ESSENTIALLY LINEAR, MACROMOLECULAR POLYETHYLENE HAVING A DENSITY IN THE RANGE OF ABOUT 0.94 TO 0.96 GRAM PER CUBIC CENTIMETER AND A MELTING POINT BETWEEN ABOUT 125* AND ABOUT 135*C.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |