US2683643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dyeing and printing and composition therefor
Assignee: Bayer AG
•
Filing: 1950-08-21
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Granted: 1954-07-13
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Expires: 1970-08-21
Abstract
No abstract record available.
Inventors
- 👤 Baumann Fritz
- 👤 Bienert Berthold
- 👤 Rosch George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:18
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/14; D06P1/145; C; C09; C09B; C09B47/00; C09B47/04; C09B47/06; C09B47/073; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COMPOSITION OF MATTER COMPRISING A 3IMINO-ISOINDOLENINE CARRING IN 1-POSITION A SUBSTITUENT, SELECTED FROM THE GROUP CONSISTING OF AMINO, PHENYLAMINO, ALKYLAMINO AND DIALKYLAMINO, WHOSE ALKYL GROUPS CONTAIN AT MOST 8 CARBON ATOMS, AND CYCLOALKYLENE IMINO, CYCLOALKYL AMINO AND ALKOXY, WHICH CONTAIN AT MOST 6 CARBON ATOMS, A WATER-MISCIBLE ORGANIC SOLVENT FOR SAID 3-IMINO-ISOINDOLENINE, WATER, A HEAVY METAL COMPOUND BEING CAPABLE OF FORMING METAL PHTHALOCYANINES AND A NORMALLY LIQUID TO SOLID REDUCING AGENT.
Claim 2
Dependent Claim
72 words
A COMPOSITION OF MATTER COMPRISING A 3IMINO-ISOINDOLENINE CARRING IN 1-POSITION A SUBSTITUENT, SELECTED FROM THE GROUP CONSISTING OF AMINO, PHENYLAMINO, ALKYLAMINO AND DIALKYLAMINO, WHOSE ALKYL GROUPS CONTAIN AT MOST 8 CARBON ATOMS, AND CYCLOALKYLENE IMINO, CYCLOALKYL AMINO AND ALKOXY, WHICH CONTAIN AT MOST 6 CARBON ATOMS, A WATER-MISCIBLE ORGANIC SOLVENT FOR SAID 3-IMINO-ISOINDOLENINE, WATER, A HEAVY METAL COMPOUND BEING CAPABLE OF FORMING METAL PHTHALOCYANINES AND A NORMALLY LIQUID TO SOLID REDUCING AGENT.
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) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |