US4265776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent and cleaning compositions
Assignee: Hoechst AG
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Filing: 1980-03-13
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Granted: 1981-05-05
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Expires: 2000-03-13
Abstract
Abstract The invention provides cleaning and detergent compositions which contain about 0.2 to 5 weight % of at least one compound of the general formula (I) ##STR1## in which R stands for a hydrogen atom or a methyl group and R 1 stands for a hydrogen atom or an alkali metal or NH 4 -ion.
Inventors
- 👤 Werner Gohla
- 👤 Klaus Hestermann
- 👤 Joachim Kandler
- 👤 Horst-Dieter Wasel-Nielen
- 👤 Klaus Sommer
- 👤 Hans-Adolf Rohlfs
- 👤 Karl Merkenich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:31
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
Cleaning and detergent composition containing from 0.2-5 weight % of at least one compound of the formula ##STR3## wherein R is hydrogen or methyl and R 1 is hydrogen or an alkali metal or NH 4 ion, 1- 30weight % of an alkali metal triphosphate, 6-25 weight % of at least one surfactant selected from the group consisting of dodecylbenzenesulfonate, tallow fatty alcohol ethoxylated with 11 mols of ethylene oxide and hardened tallow soap, and 30-78.8 weight % of sodium perborate tetrahydrate alone or together with at least one substance selected from the group consisting of magnesium silicate, sodium silicate, sodium sulfate and carboxymethylcellulose.
Claim 2
Dependent Claim
104 words
Cleaning and detergent composition containing from 0.2-5 weight % of at least one compound of the formula ##STR3## wherein R is hydrogen or methyl and R 1 is hydrogen or an alkali metal or NH 4 ion, 1- 30weight % of an alkali metal triphosphate, 6-25 weight % of at least one surfactant selected from the group consisting of dodecylbenzenesulfonate, tallow fatty alcohol ethoxylated with 11 mols of ethylene oxide and hardened tallow soap, and 30-78.8 weight % of sodium perborate tetrahydrate alone or together with at least one substance selected from the group consisting of magnesium silicate, sodium silicate, sodium sulfate and carboxymethylcellulose.
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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) | 1984-05-04 | 1984-11-03 | 1985-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-04 | 1988-11-03 | 1989-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-04 | 1992-11-03 | 1993-05-05 | $7700.00 | Window Closed / Lapsed |