Patent US3240619A successfully refreshed from Google Patents.
US3240619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating with polyester resins
Assignee: Interchemical Corp
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Filing: 1960-06-21
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Granted: 1966-03-15
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Expires: 1980-06-21
Abstract
No abstract record available.
Inventors
- 👤 Charles M Winchester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:41
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; C; C08; C08F; C08F283/00; C08F283/01; C08L; C08L51/00; C08L51/08; C08L67/00; C08L67/06; C09; C09D; C09D151/00; C09D151/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
153 words
A METHOD OF APPLYING A PROTECTIVE AND DECORATIVE COATING TO A SURFACE COMPRISING (1) APPLYING A LOWER LAYER OF A COATING COMPOSITION OF AN UNSATURATED POLYESTER RESIN AND VINYL MONOMER DISSOLVED IN A VOLATILE SOLVENT TO SAID SURFACE AND DRYING SAID LOWER LAYER TO A FIRM AND TACK-FREE STATE, (2) APPLYING AN UPPER LAYER OF AN UNSATURATED POLYESTER RESIN AND VINYL MONOMER COATING COMPOSITION UPON SAID LOWER LAYER, ONE OF SAID LAYERS CONTAINING AN ACTIVATOR AND THE OTHER CONTAINING A PEROXIDE CATALYST AND SAID LOWER AND UPPER LAYERS REMAINING SEPARATE AND DISCRETE FROM EACH OTHER, SAID CATALYST BEING INITIALLY ABSENT FROM THE LAYER CONTAINING ACTIVATOR AND SAID ACTIVATOR BEING INITIALLY ABSENT FROM THE LAYER CONTAINING CATALYST, AND (3) CURING THE COMPOSITE OF SAID SEPARATE LAYERS THROUGH THE MIGRATION OF PART OF THE ACTIVATOR INTO THE LAYER CONTAINING THE CATALYST AND THE MIGRATION OF PART OF THE CATALYST INTO THE LAYER CONTAINING THE ACTIVATOR.
Claim 2
Independent Claim
153 words
A METHOD OF APPLYING A PROTECTIVE AND DECORATIVE COATING TO A SURFACE COMPRISING (1) APPLYING A LOWER LAYER OF A COATING COMPOSITION OF AN UNSATURATED POLYESTER RESIN AND VINYL MONOMER DISSOLVED IN A VOLATILE SOLVENT TO SAID SURFACE AND DRYING SAID LOWER LAYER TO A FIRM AND TACK-FREE STATE, (2) APPLYING AN UPPER LAYER OF AN UNSATURATED POLYESTER RESIN AND VINYL MONOMER COATING COMPOSITION UPON SAID LOWER LAYER, ONE OF SAID LAYERS CONTAINING AN ACTIVATOR AND THE OTHER CONTAINING A PEROXIDE CATALYST AND SAID LOWER AND UPPER LAYERS REMAINING SEPARATE AND DISCRETE FROM EACH OTHER, SAID CATALYST BEING INITIALLY ABSENT FROM THE LAYER CONTAINING ACTIVATOR AND SAID ACTIVATOR BEING INITIALLY ABSENT FROM THE LAYER CONTAINING CATALYST, AND (3) CURING THE COMPOSITE OF SAID SEPARATE LAYERS THROUGH THE MIGRATION OF PART OF THE ACTIVATOR INTO THE LAYER CONTAINING THE CATALYST AND THE MIGRATION OF PART OF THE CATALYST INTO THE LAYER CONTAINING THE ACTIVATOR.
Claim 3
Dependent Claim
30 words
THE METHOD CLAIMED IN CLAIM 1 WHEREIN A COLORED DESIGN IS PRINTED ON THE LOWER LAYER AFTER THE LOWER LAYER HAS BEEN DRIED AND BEFORE THE UPPER LAYER IS APPLIED.
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |