Patent US3553143A successfully refreshed from Google Patents.
US3553143A
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US
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Ammonium hydroxide containing wax stripper
Assignee: TURCO PUREX INDUSTRIAL CORP A CORP OF DE
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Filing: 1967-01-18
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Granted: 1971-01-05
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Expires: 1987-01-18
Abstract
Abstract A NOVEL WAX STRIPPING COMPOSITION IS PROVIDED CONSISTING ESSENTIALLY OF A QUATERNARY AMMONIUM HYDROXIDE IN AN AQUEOUS ALKALINE SOLUTION, HAVING A PH OF AT LEAST 12, IN EFFECTIVE PROPORTIONS GENERALLY COMPRISING AT LEAST 0.01% BY WEIGHT OF QUATERNARY AMMONIUM HYDOXIDE. THE QUATERNARY AMMONIUM HYDROXIDE MAY BE GENERATED IN SITU IN THE SOLUTION BY ADDITION OF AN HYDROXYL ION DONOR COMPOUND SUCH AS AN ALKALI METAL HYDROXIDE OR TERTIARY AMMONIUM HYDROXIDE AND A WATER SOLUBLE, CATIONIC, ALKYL SUBSTITUTED QUATERNARY AMMONIUM SALT.
Inventors
- 👤 Henry Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:51
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |