US3830764A
Expired / Lapsed
US
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Degradable hydrocarbon polymers
Assignee: Princeton Polymer Laboratories Inc
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Filing: 1972-07-06
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Granted: 1974-08-20
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Expires: 1992-07-06
Abstract
Abstract A DEGRADABLE COMPOSITION IS MADE FROM A POLYMER OF A MONO OLEFIN HAVING 2-3 CARBON ATOMS OR STYRENE AND AN ADDITIVE COMPRISING (1) A DERIVATIVE OF AN ORGANIC COMPOUND OF A METAL WHICH HAS AT LEAST TWO VALENCE STATES AND (2) A BENZOYL DERIVATIVES OF AN ORGANIC COMPOUND OR A TRIAZOLE.
Inventors
- 👤 D Hudgin
- 👤 T Zawadzki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0033; Y; Y10; Y10S; Y10S220/00; Y10S220/30; Y10S260/00; Y10S260/43
Claims Analysis
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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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |