US3745136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersion of multi-layered vinylidene chloride copolymers
Assignee: Dow Produktions und Vertriebs GmbH and Co OHG
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Filing: 1971-07-09
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Granted: 1973-07-10
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Expires: 1991-07-09
Abstract
Abstract A COATING COMPOSITION IN THE FORM OF AN AQUEOUS DISPERSION FOR FINISHING CELLULOSE-REGENERATES OR PLASTICS IN SHEET FORM WHEREIN SAID COATING MATERIAL IS IN THE FORM OF SPHERICAL MULTI-LAYERED SOLID PARTICLES EACH OF WHICH HAS AN AMORPHOUS SOLID CENTRE (A), A CORE (B) AND A SHELL (C), WHICH COATING MATERIAL IS RESISTANT TO BLOCKING AND CAPABLE OF BEING HEAT-SEALED ON FLAT SURFACES.
Inventors
- 👤 H Huhn
- 👤 H Kuhn
- 👤 H Meyer
- 👤 U Tewes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:10
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08F; C08F259/00; C08F259/02; C08F259/06; C08J3/126; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C08J2327/00; C08J2327/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |