US3096338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New diazapolymethine dyes containing three heterocyclic rings
Assignee: BASF SE
•
Filing: 1961-04-04
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Granted: 1963-07-02
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Dehnert Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:42
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/16; C09B23/162; C09B23/166; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C09B26/00; C09B26/02; C09B26/04; C09B27/00; C09B29/00; C09B29/32; C09B29/325; C09B44/00; C09B44/10; C09B44/102; C09B44/107; C09B44/12; C09B44/126; C09B44/16; C09B44/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A DYE OF THE FORMULA
Claim 2
Dependent Claim
5 words
A DYE OF THE FORMULA
Claim 3
Dependent Claim
5 words
A DYE OF THE FORMULA:
Claim 4
Dependent Claim
5 words
A DYE OF THE FORMULA:
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |