US3415904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin composition comprising an amine treated ethylene/acrylic ester copolymer and a poly-alpha-olefin
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1965-08-02
•
Granted: 1968-12-10
•
Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Taniguchi Isoji
- 👤 Maemoto Ken-Ichi
- 👤 Simamura Takeshi
- 👤 Kobayashi Yoshio
- 👤 Yasumura Tomohide
- 👤 Yamadera Reizo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:02
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08F; C08F8/00; C08F8/30; C08K; C08K5/00; C08K5/16; C08K5/17; C08L23/04; C08L23/08; C08L23/0846; C08L23/0869; C08L23/10; C08F2800/00; C08F2800/10; C08L2203/00; C08L2203/12; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |