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US3088790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeings and prints possessing fastness to wet processing and their manufacture on cellulose material
Assignee: Hoechst AG
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Filing: 1960-04-19
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Granted: 1963-05-07
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Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Schultheis Werner
- 👤 Schimmelschmidt Kurt
- 👤 Hofmann Hermann
- 👤 Baicr Edwin
- 👤 Bode Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:48
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/30; D06P1/305; C; C09; C09B; C09B62/00; C09B62/44; C09B62/523
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR DYEING SHAPED ARTICLES OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL AND REGENERATED CELLULOSE WHICH COMPRISES APPLYING TO SAID SHAPED ARTICLES A WATER-SOLUBLE ORGANIC DYESTUFF SELECTED FROM THE GROUP CONSISTING OF MONOAZO, DISAZO, ANTHRAQUINONE, VAT, DIOXAZINE AND METAL-PHTHALOCYANINE DYESTUFFS CONTAINING AT LEAST ONE THIOSULFURIC ACID GROUP LINKED TO A CARBON ATOM OF AN AROMATIC NUCLEUS OF SAID DYESTUFF THROUGH A MEMBER OF THR GROUP CONSISTING OF -CH2-
Claim 2
Dependent Claim
72 words
A PROCESS FOR DYEING SHAPED ARTICLES OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL AND REGENERATED CELLULOSE WHICH COMPRISES APPLYING TO SAID SHAPED ARTICLES A WATER-SOLUBLE ORGANIC DYESTUFF SELECTED FROM THE GROUP CONSISTING OF MONOAZO, DISAZO, ANTHRAQUINONE, VAT, DIOXAZINE AND METAL-PHTHALOCYANINE DYESTUFFS CONTAINING AT LEAST ONE THIOSULFURIC ACID GROUP LINKED TO A CARBON ATOM OF AN AROMATIC NUCLEUS OF SAID DYESTUFF THROUGH A MEMBER OF THR GROUP CONSISTING OF -CH2-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |