Patent US3220955A successfully refreshed from Google Patents.
US3220955A
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Composition, non-corrosive to metal surfaces
Assignee: Union Oil Company of California
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Filing: 1961-11-09
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Granted: 1965-11-30
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Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 Walter E Kramer
- 👤 Rai Charanjit
- 👤 Robert C Kimble
- 👤 John B Braunwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:45
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/64; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2443; C10L1/2456; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/165; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/04; C10M2207/046; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/10; C10M2215/24; C10M2215/26; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOSITION, NON-CORROSIVE TO METAL SURFACES IN CONTACT THEREWITH IN THE PRESENCE OF AIR CONSISTING OF WATER AND ABOUT 0.01 TO 0.2 GM. OF 1,2-BIS(2-BENZOTHIAZOLYL ETHANEDIOL PER 100 ML. OF WATER AS THE SOLE CORROSION-INHIBITING COMPONENT.
Claim 2
Dependent Claim
36 words
A COMPOSITION, NON-CORROSIVE TO METAL SURFACES IN CONTACT THEREWITH IN THE PRESENCE OF AIR CONSISTING OF WATER AND ABOUT 0.01 TO 0.2 GM. OF 1,2-BIS(2-BENZOTHIAZOLYL ETHANEDIOL PER 100 ML. OF WATER AS THE SOLE CORROSION-INHIBITING COMPONENT.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |