Patent US4062867A successfully refreshed from Google Patents.
US4062867A
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Metal 1,2 dithiolene thiophene derivatives
Assignee: Polaroid Corp
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Filing: 1974-12-26
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Granted: 1977-12-13
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Expires: 1994-12-26
Abstract
Abstract Novel compounds of the formula: ##STR1## where: Me is nickel, platinum or palladium and each R is the same radical selected from the group consisting of ##STR2##
Inventors
- 👤 Stanley M. Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:50
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22; C07D333/14; C07D333/18; G; G02; G02C; G02C7/00; G02C7/10; G02C7/108; G02C2202/00; G02C2202/16
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
35 words
A compound of the formula ##STR12## where Me is a metal selected from the group consisting of nickel, platinum or palladium and each R is the same radical selected from the group consisting of ##STR13##
Claim 2
Dependent Claim
35 words
A compound of the formula ##STR12## where Me is a metal selected from the group consisting of nickel, platinum or palladium and each R is the same radical selected from the group consisting of ##STR13##
Claim 3
Dependent Claim
7 words
A compound of the following formula: ##STR14##
Claim 4
Dependent Claim
7 words
A compound of the following formula: ##STR14##
Claim 5
Dependent Claim
7 words
A compound of the following formula: ##STR15##
Claim 6
Dependent Claim
7 words
A compound of the following formula: ##STR15##
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) | 1980-12-12 | 1981-06-13 | 1981-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-12 | 1985-06-13 | 1985-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-12 | 1989-06-13 | 1989-12-13 | $7700.00 | Window Closed / Lapsed |