Patent US2930708A successfully refreshed from Google Patents.
US2930708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting corrosion in metals
Assignee: A Boake Robert & Co Ltd
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Filing: 1957-03-11
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Granted: 1960-03-29
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Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Chatfield Herbert Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:32
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A FILM-FORMING CORROSION-INHIBITING OLEORESINOUS VARNISH COMPOSITION COMPRISING AN OLEORESINOUS MATERIAL PREPARED FROM A FATTY OIL MATERIAL SELECTED FROM THE GROUP CONSISTING OF DRYING AND SEMI-DRYING OILS CONTAINING LONG CHAIN FATTY ACID REDICALS AND A RESINOUS MATERIAL AND A CORROSION-INHIBITING EPOXIDIZED OIL MATERIAL DERIVED FROM AN UNSATURATED OIL SELECTED FROM THE GROUP CONSISTING OF DRYING AND SEMI-DRYING OILS AND FATTY ACIDS DERIVED FROM SUCH OILS HAVING AN IODINE VALUE OF NOT LESS THAN ABOUT 80 BEFORE EPOXIDATION AND IN WHICH THE UNSATURATION HAS BEEN AT LEAST PARTIALLY REMOVED BY THE FORMATION OF EPOXY GROUPS ACROSS DOUBLE BONDS IN A FATTY RADICAL PORTION OF SAID OIL-DERIVED MATERIAL.
Claim 2
Dependent Claim
105 words
A FILM-FORMING CORROSION-INHIBITING OLEORESINOUS VARNISH COMPOSITION COMPRISING AN OLEORESINOUS MATERIAL PREPARED FROM A FATTY OIL MATERIAL SELECTED FROM THE GROUP CONSISTING OF DRYING AND SEMI-DRYING OILS CONTAINING LONG CHAIN FATTY ACID REDICALS AND A RESINOUS MATERIAL AND A CORROSION-INHIBITING EPOXIDIZED OIL MATERIAL DERIVED FROM AN UNSATURATED OIL SELECTED FROM THE GROUP CONSISTING OF DRYING AND SEMI-DRYING OILS AND FATTY ACIDS DERIVED FROM SUCH OILS HAVING AN IODINE VALUE OF NOT LESS THAN ABOUT 80 BEFORE EPOXIDATION AND IN WHICH THE UNSATURATION HAS BEEN AT LEAST PARTIALLY REMOVED BY THE FORMATION OF EPOXY GROUPS ACROSS DOUBLE BONDS IN A FATTY RADICAL PORTION OF SAID OIL-DERIVED MATERIAL.
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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |