US3090757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifreeze composition
Assignee: Cities Service Research and Development Co
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Filing: 1960-08-23
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Granted: 1963-05-21
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Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:01
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ANTIFREEZE COMPOSITION, WHICH CONSISTS ESSENTIALLY OF WATER SOLUBLE ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDROXY ALIPHATIC ALCOHOLS HAVING FROM 1 TO 6 CARBON ATOMS AND DIHYDROXY ALIPHATIC ALCOHOLS HAVING BETWEEN 2 AND 6 CARBON ATOMS AND WHICH CONTAINS BETWEEN ABOUT 0.1 AND ABOUT 0.6 WEIGHT PERCENT ALKALI METAL MERCAPTOBENZOTHIAZOLE, BETWEEN ABOUT 0.2 AND ABOUT 1.0 WEIGHT PERCENT ALKALI METAAL ARSENITE, BETWEEN ABOUT 0.2 AND ABOUT 2.0 WEIGHT PERCENT ALKALI METAL METABORATE, AND BETWEEN ABOUT 0.2 AND ABOUT 2.0 WEIGHT PERCENT OF AN ALKYL AMMONIUM PHOSPHATE HAVING THE FORMULA
Claim 2
Dependent Claim
90 words
AN ANTIFREEZE COMPOSITION, WHICH CONSISTS ESSENTIALLY OF WATER SOLUBLE ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDROXY ALIPHATIC ALCOHOLS HAVING FROM 1 TO 6 CARBON ATOMS AND DIHYDROXY ALIPHATIC ALCOHOLS HAVING BETWEEN 2 AND 6 CARBON ATOMS AND WHICH CONTAINS BETWEEN ABOUT 0.1 AND ABOUT 0.6 WEIGHT PERCENT ALKALI METAL MERCAPTOBENZOTHIAZOLE, BETWEEN ABOUT 0.2 AND ABOUT 1.0 WEIGHT PERCENT ALKALI METAAL ARSENITE, BETWEEN ABOUT 0.2 AND ABOUT 2.0 WEIGHT PERCENT ALKALI METAL METABORATE, AND BETWEEN ABOUT 0.2 AND ABOUT 2.0 WEIGHT PERCENT OF AN ALKYL AMMONIUM PHOSPHATE 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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |