US3256364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable polypropylene compositions containing ethylene-n-vinyl heterocyclic compoundcopolymers
Assignee: Union Carbide Corp
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Filing: 1962-04-23
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Granted: 1966-06-14
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 George M Bryant
- 👤 Nathan L Zutty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:20
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L33/00; C08L33/24; C08L33/26; C08L39/00; C08L39/04; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOSITION COMPRISING A BLEND OF (A) FROM ABOUT 20 TO 99 PERCENT BY WEIGHT OF A SOLID POLYPROPYLENE AND (B) FROM ABOUT 1 TO 80 PERCENT BY WEIGHT OF A COPOLYMER OF ETHYLENE AND AN N-VINYL HETEROCYCLIC COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
42 words
A COMPOSITION COMPRISING A BLEND OF (A) FROM ABOUT 20 TO 99 PERCENT BY WEIGHT OF A SOLID POLYPROPYLENE AND (B) FROM ABOUT 1 TO 80 PERCENT BY WEIGHT OF A COPOLYMER OF ETHYLENE AND AN N-VINYL HETEROCYCLIC COMPOUND OF THE FORMULA
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |