US3425975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-drying film-forming compositions
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-09-23
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Granted: 1969-02-04
•
Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Keith Edwin James Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:52
CPC Classifications
C; C09; C09D; C09D4/00; C09D4/06; C08; C08F; C08F242/00; C08G; C08G63/00; C08G63/91; C08G63/914; C08L; C08L67/00; C08L67/08; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN IMPROVED FILM-FORMING COMPOSITION FOR AIR-DRYING APPLICATIONS AT ABOUT AMBIENT TEMPERATURES WHICH COMPRISES A NATURAL OR SYNTHETIC DRYING OIL OR OTHER COMPONENT CONTAINING AN UNSATURATED AIR-DRYING RADICAL HAVING TWO OR MORE ETHYLENICALLY UNSATURATED GROUPS, A METAL DRIER SALT AND AN ETHYLENICALLY UNSATURATED COMPOUND WHICH IS SUBSTANTIALLY INVOLATILE AT ROOM TEMPERATURE AND WHICH IS CAPABLE OF POLYMERIZATION OR COPOLYMERIZATION THROUGH THE ETHYLENICALLY UNSATURATED GROUP, THE MONOMER BEING AN ESTER OF ACRYLIC OR METHACRYLIC ACID WITH A HIGHER ALKANOL OR AN ALKENE DIOL, AN AMIDE OF ACRYLIC OR METHACRYLIC ACID, OR A DIALYL ESTER OF FUMARIC OR ITACONIC ACID.
Claim 2
Dependent Claim
97 words
AN IMPROVED FILM-FORMING COMPOSITION FOR AIR-DRYING APPLICATIONS AT ABOUT AMBIENT TEMPERATURES WHICH COMPRISES A NATURAL OR SYNTHETIC DRYING OIL OR OTHER COMPONENT CONTAINING AN UNSATURATED AIR-DRYING RADICAL HAVING TWO OR MORE ETHYLENICALLY UNSATURATED GROUPS, A METAL DRIER SALT AND AN ETHYLENICALLY UNSATURATED COMPOUND WHICH IS SUBSTANTIALLY INVOLATILE AT ROOM TEMPERATURE AND WHICH IS CAPABLE OF POLYMERIZATION OR COPOLYMERIZATION THROUGH THE ETHYLENICALLY UNSATURATED GROUP, THE MONOMER BEING AN ESTER OF ACRYLIC OR METHACRYLIC ACID WITH A HIGHER ALKANOL OR AN ALKENE DIOL, AN AMIDE OF ACRYLIC OR METHACRYLIC ACID, OR A DIALYL ESTER OF FUMARIC OR ITACONIC ACID.
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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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |