US3309330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated particles of vinylidene chloride copolymers
Assignee: EIDP Inc
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Filing: 1964-12-28
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Granted: 1967-03-14
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Paul H Settlage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
C; C08; C08F; C08F259/00; C08F259/02; C08F259/06; C09; C09D; C09D151/00; C09D151/003; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
COMPOSOTION COMPRISING AN AQUEOUS DISPERSION OF POLYMERIC PARTICLES, EACH PARTICLE HAVING A CORE PORTION AND A COATING PORTION ON THE CORE PORTION, THE CORE PORTION CONSTITUTING FROM 60 TO 90% BY WEIGHT OF THE TWO PORTIONS AND COMPRISING ESSENTIALLY A COPOLYMER OF THE FOLLOWING MONOMERS, WHERE THE PERCENTAGES ARE BY WEIGHT BASED ON THE TOTAL WEIGHT OF THESE THREE MONOMERS:
Claim 2
Dependent Claim
60 words
COMPOSOTION COMPRISING AN AQUEOUS DISPERSION OF POLYMERIC PARTICLES, EACH PARTICLE HAVING A CORE PORTION AND A COATING PORTION ON THE CORE PORTION, THE CORE PORTION CONSTITUTING FROM 60 TO 90% BY WEIGHT OF THE TWO PORTIONS AND COMPRISING ESSENTIALLY A COPOLYMER OF THE FOLLOWING MONOMERS, WHERE THE PERCENTAGES ARE BY WEIGHT BASED ON THE TOTAL WEIGHT OF THESE THREE MONOMERS:
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |