US4714741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degradable polymer composition
Assignee: Graham Packaging Plastic Products Inc
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Filing: 1986-10-17
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Granted: 1987-12-22
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Expires: 2006-10-17
Abstract
Abstract A degradable polymer composition having (a) an ethylene-carbon monoxide copolymer only in an amount sufficient to provide a total of substantially about 0.005 to 0.05 percent by weight of CO in the composition; and (b) a low density polyethylene.
Inventors
- 👤 Dennis C. Balduff
- 👤 Saleh A. Jabarin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:58
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0033; B; B65; B65D; B65D65/00; B65D65/38; B65D65/46; B65D65/466; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L73/00; C08L2207/00; C08L2207/06; C08L2207/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A degradable polymer composition comprising: (a) an ethylene-carbon monoxide copolymer only in an amount sufficient to provide a total of substantially about 0.005 to 0.05 percent by weight of CO in the composition; and (b) a low density polyethylene constituting substantially the balance of the composition.
Claim 2
Dependent Claim
46 words
A degradable polymer composition comprising: (a) an ethylene-carbon monoxide copolymer only in an amount sufficient to provide a total of substantially about 0.005 to 0.05 percent by weight of CO in the composition; and (b) a low density polyethylene constituting substantially the balance of the composition.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-21 | 1991-06-22 | 1991-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-21 | 1995-06-22 | 1995-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-21 | 1999-06-22 | 1999-12-22 | $7700.00 | Window Closed / Lapsed |