US3213129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition consisting of a mercapto compound and an organic phosphorus acid derivative as a color stabilizer
Assignee: Therachemie Chemische Therapeutische GmbH
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Filing: 1961-12-13
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Granted: 1965-10-19
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Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Berth Peter
- 👤 Blaser Bruno
- 👤 Germscheid Hans-Gunther
- 👤 Worms Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:42
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/55; A61Q5/004; A61Q5/06; A61Q5/065; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/252; D06M13/282; D06M13/288; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/30
Claims Analysis
Total Claims: 0
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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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |