Patent US4265776A successfully refreshed from Google Patents.
US4265776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent and cleaning compositions
Assignee: Hoechst AG
•
Filing: 1980-03-13
•
Granted: 1981-05-05
•
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 09:14
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.
References Cited (Backward Citations)
US3383323A
Cited
US3297578A
Cited
US3368978A
Cited
US3586633A
Cited
US3526592A
Cited
US3451939A
Cited
US3925228A
Cited
DE2318416C3
Cited
USB373051I5
Cited
US4029696A
Cited
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 |