US2948696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing heat sealable films, compositions useful therein and the articles produced thereby
Assignee: Dow Chemical Co
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Filing: 1958-08-01
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Granted: 1960-08-09
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Expires: 1978-08-01
Abstract
No abstract record available.
Inventors
- 👤 William R R Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:42
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/10; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/3192
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A COATING COMPOSITION USEFUL FOR COATING THE POLYMERIZATES OF MONOLKENYL MONOMERS, SAID COMPOSITION CONSISTING ESSENTIALLY OF (1) ABOUT 25 PARTS OF AN AQUEOUS LATEX COMPOSED OF 60 PERCENT STYRENE AND 40 PERCENT BUTADIENE, (2) FROM 15 TO 40 PARTS OF AN AQUEOUS LATEX OF A POLYMER COMPOSED OF ABOUT 80 PERCENT STYRENE AND 20 PERCENT BUTADIENE, (3) FROM 30 TO 60 PARTS OF AN AQUEOUS LATEX OF A TERPOLYMER COMPOSED OF AT LEAST 70 PERCENT VINYLIDENE CHLORIDE, NOT MORE THAN 10 PERCENT OF AN ALKYL ACRYLATE WITH THE REMAINDER BEING VINYL CHLORIDE, (4) FROM 2 TO 10 PARTS OF A WAX HAVING A MELTING POINT OF FROM ABOUT 60* TO 100* C., AND (5) FROM 0.3 TO 3 PARTS OF A SOLID LUBRICANT FOR SAID POLYMERIZATE.
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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |