US3428479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring composition for film and film anchored therewith
Assignee: Wyeth Holdings LLC
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Filing: 1966-02-25
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Granted: 1969-02-18
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Robert Alan Dobransky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:21
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/048; C08J7/052; C09D167/00; C08J2321/00; C08J2321/02; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; C08L; C08L67/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31728; Y10T428/31732; Y10T428/31739; Y10T428/31743; Y10T428/31746; Y10T428/31786
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
98 words
A FLUID AQUEOUS TOPCOAT ANCHORING LATEX COMPRISING A WATER-INSOLUBLE VINYL POLYMER COMPOSED TO THE EXTENT OF 5 TO 25 MOL PERCENT OF (C2-C6 HYDROXYALKYL) ACRYLATE LINKAGES, A WATER-DISPERSIBLE ALKYD RESIN HAVING A MOLECULAR WEIGHT IN EXCESS OF ABOUT 1,500 AND CONTAINING AT LEAST ABOUT 2 ETHERIFIABLE HYDROXYL SUBSTITUENTS PER MACROMOLECULE, AND SUFFICIENT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF OLY(METHYLOL)AMIDOGENS AND LOWER ALKYL ETHERS THEREOF TO FORMA UNITARY RESIN BY REACTION WITH SAID VINYL POLYMER AND SIAD ALKYD RESIN, THE WEIGHT RATIO OF SAID VINYL POLYMER TO SAID ALKYD RESIN BEING BETWEEN ABOUT 3:M AND 9:1.
Claim 2
Dependent Claim
98 words
A FLUID AQUEOUS TOPCOAT ANCHORING LATEX COMPRISING A WATER-INSOLUBLE VINYL POLYMER COMPOSED TO THE EXTENT OF 5 TO 25 MOL PERCENT OF (C2-C6 HYDROXYALKYL) ACRYLATE LINKAGES, A WATER-DISPERSIBLE ALKYD RESIN HAVING A MOLECULAR WEIGHT IN EXCESS OF ABOUT 1,500 AND CONTAINING AT LEAST ABOUT 2 ETHERIFIABLE HYDROXYL SUBSTITUENTS PER MACROMOLECULE, AND SUFFICIENT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF OLY(METHYLOL)AMIDOGENS AND LOWER ALKYL ETHERS THEREOF TO FORMA UNITARY RESIN BY REACTION WITH SAID VINYL POLYMER AND SIAD ALKYD RESIN, THE WEIGHT RATIO OF SAID VINYL POLYMER TO SAID ALKYD RESIN BEING BETWEEN ABOUT 3:M AND 9:1.
Claim 3
Dependent Claim
22 words
POLYSTYRENE FILM CARRYING AN ANCHOR COATING OF THE DRIED RESIDUE OF THE INTEREACTED VINYL POLYMER, ALKYD RESIN AND AMIDOGEN OF CLAIM 1.
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |