US3066005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the treatment of hydroxyl group-containing textile materials
Assignee: Bayer AG
•
Filing: 1959-01-21
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Granted: 1962-11-27
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Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Wedemeyer Karlfried
- 👤 Kleb Karl Gustav
- 👤 Dortmann Heinz Adolf
- 👤 Delfs Detlef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:19
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06L; D06L4/00; D06L4/60; D06L4/671; D06M13/10; D06M13/165; D06M13/175; D06M13/244; D06M13/248; D06M13/256; D06M13/345; D06M13/348; D06M13/385; D06P; D06P3/00; D06P3/58; D06P3/60; D06P3/605; D06P3/6066; D06P3/6075; D06P3/66; D06P3/666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
PROCESS FOR THE TREATMENT OF CELLULOSE-CONTAINING TEXTILE MATERIALS WHICH COMPRISES APPLYING TO THESE MATERIALS IN AN AQUEOUS MEDIUM (A) AT LEAST ONE WATERSOLUBLE AMINO-GROUP-CONTAINING DYESTUFF WITH AT LEAST ONE REPLACEABLE HYDROGEN ATOM AT THE AMINO GROUP AND (B) AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF WATER-SOLUBLE COLORED COMPOUND AND A WATERSOLUBLE COLORLESS COMPOUND,SAID COMPOUND CONTAINING AT LEAST TWO SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF HYDROXY ALKYL SULFOAMIDE SULFURIC ACID SEMIESTER, HYDROXYL ALKYL SULFONE SULFURIC ACID SEMIESTER AND HYDROXYL ALKYLAMINO SULFURIC ACID SEMIESTER, THE ALKYL GROUP HAVING 2 TO 3 CARBON ATOMS, AND (A) AND (B) BEING OF DIFFERENT STRUCTURE; SUBJECTING THE MATERIAL THUS TREATED TO THE ACTION OF A TEMPERATURE OF FROM 40*C. TO 160*C. IN THE PRESENCE OF AN ACID BINDING AGENT AND THUS CAUSING CHEMICALLY LINKAGE TO COMPONENT (A) VIA COMPONENT (B) TO CELLULOSE.
Claim 2
Dependent Claim
140 words
PROCESS FOR THE TREATMENT OF CELLULOSE-CONTAINING TEXTILE MATERIALS WHICH COMPRISES APPLYING TO THESE MATERIALS IN AN AQUEOUS MEDIUM (A) AT LEAST ONE WATERSOLUBLE AMINO-GROUP-CONTAINING DYESTUFF WITH AT LEAST ONE REPLACEABLE HYDROGEN ATOM AT THE AMINO GROUP AND (B) AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF WATER-SOLUBLE COLORED COMPOUND AND A WATERSOLUBLE COLORLESS COMPOUND,SAID COMPOUND CONTAINING AT LEAST TWO SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF HYDROXY ALKYL SULFOAMIDE SULFURIC ACID SEMIESTER, HYDROXYL ALKYL SULFONE SULFURIC ACID SEMIESTER AND HYDROXYL ALKYLAMINO SULFURIC ACID SEMIESTER, THE ALKYL GROUP HAVING 2 TO 3 CARBON ATOMS, AND (A) AND (B) BEING OF DIFFERENT STRUCTURE; SUBJECTING THE MATERIAL THUS TREATED TO THE ACTION OF A TEMPERATURE OF FROM 40*C. TO 160*C. IN THE PRESENCE OF AN ACID BINDING AGENT AND THUS CAUSING CHEMICALLY LINKAGE TO COMPONENT (A) VIA COMPONENT (B) TO CELLULOSE.
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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |