US3717630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mono-and diphthalimidyl derivatives
Assignee: Procter and Gamble Co
•
Filing: 1968-09-11
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Granted: 1973-02-20
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Expires: 1988-09-11
Abstract
Abstract THE PROVISION OF MONO- AND DIPHTHALIMIDYL DERIVATIVES OF FLUORESCENT, AROMATIC AMINES AND THEIR USE IN (1) LAUNDRY DETERGENT COMPOSITIONS WHICH CONTAIN AN ORGANIC DETERGENT AND AN ALKALINE BUILDER SALT AND (2) IN AQUEOUS AND GRANULAR HYPOCHLORITE BLEACH COMPOSITIONS.
Inventors
- 👤 G Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:20
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/46; C11; C11D; C11D3/00; C11D3/395; C11D3/3955; C11D3/40; C11D3/42
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |