US3437598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caustic soda concentrate
Assignee: Honeywell International Inc
•
Filing: 1966-06-09
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Granted: 1969-04-08
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Expires: 1986-06-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph J De Voldre
- 👤 Francis R Baran
- 👤 Tayseer G Bahouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:56
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/32; C23F1/36; C11; C11D; C11D1/00; C11D1/66; C11D1/72; C11D7/00; C11D7/02; C11D7/04; C11D7/06; C23G; C23G1/00; C23G1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A STABLE AQUEOUS CAUSTIC CONCENTRATE CONSISTING ESSENTIALLY OF A HOMOGENOUS AQUEOUS SOLUTION OF 40% TO 70% BY WEIGHT SODIUM HYDROXIDE AND 0.005% TO 1.0% BY WEIGHT OF A WATER-SOLUBLE GLYCIDOL-ALKYLPHENOL ADDUCT HAVING THE FORMULA:
Claim 2
Dependent Claim
34 words
A STABLE AQUEOUS CAUSTIC CONCENTRATE CONSISTING ESSENTIALLY OF A HOMOGENOUS AQUEOUS SOLUTION OF 40% TO 70% BY WEIGHT SODIUM HYDROXIDE AND 0.005% TO 1.0% BY WEIGHT OF A WATER-SOLUBLE GLYCIDOL-ALKYLPHENOL ADDUCT HAVING THE FORMULA:
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |