Patent US2976248A successfully refreshed from Google Patents.
US2976248A
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Bottle washing composition and method
Assignee: Wyandotte Chemicals Corp
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Filing: 1957-08-01
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Granted: 1961-03-21
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Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Otrhalek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/02; C11D7/04; C11D7/06; C11D1/00; C11D1/02; C11D1/12; C11D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A COMPOSITION FOR WASHING GLASSWARE CONSISTING ESSENTIALLY OF A MIXTURE OF ABOUT 70 TO 99 WEIGHT PERCENT OF AN ALKALINE DETERGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND MIXTURES THEREOF, ABOUT 0.5 TO 29 WEIGHT PERCENT OF A HYDROXY CARBOXYLIC ACID SEQUESTRANT AND ABOUT 0.5 TO 20 WEIGHT PERCENT OF A CORROSION-INHIBITING AGENT, SAID CORROSIONINHIBITING AGENT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF SODIUM LIGNOSULFONATE, POTASSIUM LIGNOSULFONATE AND MIXTURES THEREOF.
Claim 2
Dependent Claim
76 words
A COMPOSITION FOR WASHING GLASSWARE CONSISTING ESSENTIALLY OF A MIXTURE OF ABOUT 70 TO 99 WEIGHT PERCENT OF AN ALKALINE DETERGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND MIXTURES THEREOF, ABOUT 0.5 TO 29 WEIGHT PERCENT OF A HYDROXY CARBOXYLIC ACID SEQUESTRANT AND ABOUT 0.5 TO 20 WEIGHT PERCENT OF A CORROSION-INHIBITING AGENT, SAID CORROSIONINHIBITING AGENT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF SODIUM LIGNOSULFONATE, POTASSIUM LIGNOSULFONATE AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2584017A
Cited
US2615846A
Cited
US1796839A
Cited
US2314285A
Cited
US2318663A
Cited
CH230917A
Cited
US2349785A
Cited
US2428187A
Cited
US2650875A
Cited
US2637703A
Cited
US2653860A
Cited
US2653861A
Cited
US2741051A
Cited
US2829114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |