US3433574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye leveller containing an anionic or non-ionic detergent with a foam depressant mixture of an alkyl ester of an alkanoic acid,an alkyl phosphate,and a fatty acid or soap
Assignee: Hoechst AG
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Filing: 1965-10-21
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Granted: 1969-03-18
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Walter Dursch
- 👤 Franz Landauer
- 👤 Martin Reuter
- 👤 Gerhard Weckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:40
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/667; C; C11; C11D; C11D1/00; C11D1/66; C11D1/78; C11D3/00; C11D3/0005; C11D3/0026; C11D3/16; C11D3/20; C11D3/2093; C11D3/36; C11D3/362; D06M; D06M13/00; D06M13/10; D06M13/224; D06P1/60; D06P1/613; D06P1/6131; D06P1/62; D06P1/621; D06P1/622; D06P1/628; D06P1/64; D06P1/651; D06P1/65106; D06P1/65125; D06P1/653; D06P1/6533; Y; Y10; Y10S; Y10S8/00; Y10S8/904; Y10S8/907; Y10S8/908; Y10S8/913; Y10S8/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
8% SODIUM SALT OF HEXA-DECYLSULFONIC ACID, 1.7% STEARIC ACID, .8% NAOH (33% STRENGTH), 1% TRI-ISOBUTYL PHOSPHATE, .5% SODIUM HEXAMETAPHOSPHATE, 6.7 2-ETHYLCAPROIC-2 ETHYL BUTYL ESTER AND 64% H2O 20 PARTS PER LITER OR A VAT DYE. C.I. NO. 71,000, WERE MIXED WITH 10 PARTS PER LITER OF THE ABOVE DETERGENT MIXTURE, PADDED ON TENT CLOTH, DRIED AND VATTED.
Claim 2
Dependent Claim
57 words
8% SODIUM SALT OF HEXA-DECYLSULFONIC ACID, 1.7% STEARIC ACID, .8% NAOH (33% STRENGTH), 1% TRI-ISOBUTYL PHOSPHATE, .5% SODIUM HEXAMETAPHOSPHATE, 6.7 2-ETHYLCAPROIC-2 ETHYL BUTYL ESTER AND 64% H2O 20 PARTS PER LITER OR A VAT DYE. C.I. NO. 71,000, WERE MIXED WITH 10 PARTS PER LITER OF THE ABOVE DETERGENT MIXTURE, PADDED ON TENT CLOTH, DRIED AND VATTED.
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |