Patent US3055837A successfully refreshed from Google Patents.
US3055837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic detergent cake and process for making the same
Assignee: Individual
•
Filing: 1958-10-08
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Granted: 1962-09-25
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 George G Wittwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:48
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0047; C11D17/006; C11D1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A SOLID DETERGENT BAR CONSISTING ESSENTIALLY OF A HOMOGENOUS MIXTURE OF A COMPOUND TAKEN FROM THE CLASS CONSISTING OF SODIUM LAURYLISETHIONATE AND MIXTURE OF SODIUM LAURYL ISETHIONATE WITH SODIUM STEARYL ISETHIONATE, WITH AN ALKYL ARYL SULFONATE HAVING DETERGENT PROPERTIES, THE ALKYL RADICAL OF SAID SULFONATE AVERAGING AT LEAST 10 CARBON ATOMS, SAID SULFONATE COMOPRISING 10% TO 90% OF SAID BAR ON A DRY WEIGHT BASIS AND SAID COMPOUND COMPRISES 90% TO 10% OF SAID BAR ON A DRY WEIGHT BASIS.
Claim 2
Dependent Claim
80 words
A SOLID DETERGENT BAR CONSISTING ESSENTIALLY OF A HOMOGENOUS MIXTURE OF A COMPOUND TAKEN FROM THE CLASS CONSISTING OF SODIUM LAURYLISETHIONATE AND MIXTURE OF SODIUM LAURYL ISETHIONATE WITH SODIUM STEARYL ISETHIONATE, WITH AN ALKYL ARYL SULFONATE HAVING DETERGENT PROPERTIES, THE ALKYL RADICAL OF SAID SULFONATE AVERAGING AT LEAST 10 CARBON ATOMS, SAID SULFONATE COMOPRISING 10% TO 90% OF SAID BAR ON A DRY WEIGHT BASIS AND SAID COMPOUND COMPRISES 90% TO 10% OF SAID BAR ON A DRY WEIGHT BASIS.
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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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |