US3619124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing or printing of fibrous materials
Assignee: Hoechst AG
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Filing: 1969-10-30
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Granted: 1971-11-09
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Expires: 1989-10-30
Abstract
Abstract The dyeing or printing of fibrous materials is improved by using a compound of the formula R1-CHX-(CH2-CH2-O)n-R2 in which R1 is alkyl of four to 20 carbon atoms, X is chlorine or bromine, n is a number of three to about 200 and R2 is an aliphatic hydrocarbon radical of up to 20 carbon atoms, alkylphenyl with up to 12 carbon atoms in the alkyl moiety, phenyl, naphthyl, benzyl, the acyl residue of a fatty acid of up to 18 carbon atoms, benzoyl or the group of the formula R1-CHXCH2-CH2, as dispersing, levelling or after treating agent. The improvement consists in the combination of dispersing and levelling properties.
Inventors
- 👤 Gerhard Weckler
- 👤 Helmut Diery
- 👤 Lorenz Heib
- 👤 Franz Schon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:07
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/82; D06P3/8204; D06P3/8214; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0084; C09B67/0085; D06P1/00; D06P1/44; D06P1/60; D06P1/613; Y; Y10; Y10S; Y10S8/00; Y10S8/907
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
The process as claimed in claim 1, wherein n is a number of three to about 100.
Claim 2
Dependent Claim
16 words
The process as claimed in claim 1, wherein n is a number of seven to 70.
Claim 3
Dependent Claim
17 words
The process as claimed in claim 1, wherein R1 is alkyl of ten to 18 carbon atoms.
Claim 4
Dependent Claim
12 words
The process as claimed in claim 1, wherein R2 is lower alkyl.
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |