Patent US4948131A successfully refreshed from Google Patents.
Patent US5059694A successfully refreshed from Google Patents.
US5059694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-substituted polypyrrole
Assignee: Eneos Corp
•
Filing: 1990-04-17
•
Granted: 1991-10-22
•
Expires: 2010-04-17
Abstract
Abstract There is provided a 3-substituted polypyrrole represented by the general formula (I) ##STR1## wherein R is an alkyl group having 1 to 5 carbon atoms, m is an integer of from 1 to 20, and n is an integer of 2 or more.
Inventors
- 👤 Didier Delabouglise
- 👤 Marc Lemaire
- 👤 Jean Roncali
- 👤 Francis Garnier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:07
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/12; C08G61/122; C08G61/123; C08G61/124
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
40 words
A 3-substituted polypyrrole represented by the following formula (I) ##STR6## wherein R is an alkyl group having 1 to 5 carbon atoms, m is an integer of from 1 to 20, and n is an integer of 2 or more.
Claim 2
Dependent Claim
40 words
A 3-substituted polypyrrole represented by the following formula (I) ##STR6## wherein R is an alkyl group having 1 to 5 carbon atoms, m is an integer of from 1 to 20, and n is an integer of 2 or more.
Claim 3
Dependent Claim
22 words
A 3-substituted polypyrrole according to claim 1 represented by the following formula ##STR7## wherein n is an integer of 2 or more.
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) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |