US3294694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventive composition
Assignee: GAF Chemicals Corp
•
Filing: 1965-03-10
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Granted: 1966-12-27
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Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Andrew S Wood
- 👤 David E Gensheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:56
CPC Classifications
F; F28; F28G; F28G9/00; C; C09; C09K; C09K8/00; C09K8/54; C23; C23G; C23G1/00; C23G1/02; C23G1/08; C23G1/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A NON-OXIDIZING ACID, HAVING AN ACID CONCENTRATION OF FROM 1 TO 15% BY WEIGHT AND FROM 0.001 TO 1.0% BY VOLUME BASED ON THE VOLUME OF SAID AQUEOUS ACID OF A CORROSION INHIBITING MIXTURE CONSISTING OF 95% BY VOLUME OF PROPRGYL ALCOHOL AND 5% BY VOLUME OF DIPROPARGYL FORMAL.
Claim 2
Dependent Claim
59 words
AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A NON-OXIDIZING ACID, HAVING AN ACID CONCENTRATION OF FROM 1 TO 15% BY WEIGHT AND FROM 0.001 TO 1.0% BY VOLUME BASED ON THE VOLUME OF SAID AQUEOUS ACID OF A CORROSION INHIBITING MIXTURE CONSISTING OF 95% BY VOLUME OF PROPRGYL ALCOHOL AND 5% BY VOLUME OF DIPROPARGYL FORMAL.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |