US3282903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and products of modified copolymers of ethylene and propadiene
Assignee: EIDP Inc
•
Filing: 1965-05-24
•
Granted: 1966-11-01
•
Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
C; C08; C08F; C08F36/00; C08F8/00; C08F8/34; D; D01; D01F; D01F6/00; D01F6/28; D01F6/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A MODIFIED COPOLYMER OF 65-99 MOLE PERCENT OF ETHYLENE AND 1-35 MOLE PERCENT OF PROPADIENE, SAID MODIFICATION BEING BY REACTION WITH A THIOL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE, ETHANETHIOL, 1-PROPANETHIOL, 2-PROPANETHIOL, 1-HEXANETHIOL, 1-DECANETHIOL, BENZENETHIOL, THIOSALICYLIC ACID AND MERCAPTOBENZOTHIAZOLE, TO PROVIDE 1-35 MOLE PERCENT OF A RANDOM SELECTION OF RECURRING UNITS SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
60 words
A MODIFIED COPOLYMER OF 65-99 MOLE PERCENT OF ETHYLENE AND 1-35 MOLE PERCENT OF PROPADIENE, SAID MODIFICATION BEING BY REACTION WITH A THIOL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE, ETHANETHIOL, 1-PROPANETHIOL, 2-PROPANETHIOL, 1-HEXANETHIOL, 1-DECANETHIOL, BENZENETHIOL, THIOSALICYLIC ACID AND MERCAPTOBENZOTHIAZOLE, TO PROVIDE 1-35 MOLE PERCENT OF A RANDOM SELECTION OF RECURRING UNITS SELECTED FROM THE GROUP CONSISTING OF
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |