Patent US3128200A successfully refreshed from Google Patents.
US3128200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated alkenyl aromatic article and method of coating
Assignee: Dow Chemical Co
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Filing: 1961-11-24
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Granted: 1964-04-07
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 William R R Park
- 👤 Jerome H Stickelmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:14
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; B05D7/50; B05D7/52; B05D7/54; B05D7/544; C08J2325/00; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A METHOD OF PROVIDING AN ALKENYL AROMATIC RESINOUS SHAPED ARTICLE WITH AN ADHERABLE COATING OF A VINYLIDENE CHLORIDE COPOLYMER, SAID METHOD COMPRISING (1) APPLYING TO A HYDROPHILIC SURFACE OF AN ALKENYL AROMATIC RESINOUS ARTICLE A CONTINUOUS COATING COMPRISED OF AN AQUEOUS DISPERSION OF A COPOLYMER CONSISTING ESSENTIALLY OF (A) FROM 40 TO 60 PERCENT BY WEIGHT OF A MONOVINYL AROMATIC COMPOUND OF 8 TO 10 CARBON ATOMS WHEREIN THE VINYL GROUP IS ATTACHED DIRECTLY TO THE BENZENE RING; (B) FROM 35 TO 50 PERCENT BY WEIGHT OF AN ALKYL ACRYLATE, (C) FROM ABOUT 0.25 TO ABOUT 10 PERCENT BY WEIGHT OF A COPOLYMERIZABLE UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, AND ITACONIC ACID, AND DRYING SAID AQUEOUS DISPERSION TO DEPOSIT A CONTINUOUS ADHERENT COATING ON SAID SHAPED ARTICLE, (2) APPLYING OVER THE DRIED COATING A SECOND COATING OF AN AQUEOUS DISPERSION OF A COPOLYMER COMPRISING AT LEAST 70 PERCENT BY WEIGHT OF VINYLIDENE CHLORIDE AND AT LEAST ONE OTHER MONOMER COPOLYMERIZABLE THEREWITH, AND DRYING SAID SECOND COATING.
Claim 2
Independent Claim
172 words
A METHOD OF PROVIDING AN ALKENYL AROMATIC RESINOUS SHAPED ARTICLE WITH AN ADHERABLE COATING OF A VINYLIDENE CHLORIDE COPOLYMER, SAID METHOD COMPRISING (1) APPLYING TO A HYDROPHILIC SURFACE OF AN ALKENYL AROMATIC RESINOUS ARTICLE A CONTINUOUS COATING COMPRISED OF AN AQUEOUS DISPERSION OF A COPOLYMER CONSISTING ESSENTIALLY OF (A) FROM 40 TO 60 PERCENT BY WEIGHT OF A MONOVINYL AROMATIC COMPOUND OF 8 TO 10 CARBON ATOMS WHEREIN THE VINYL GROUP IS ATTACHED DIRECTLY TO THE BENZENE RING; (B) FROM 35 TO 50 PERCENT BY WEIGHT OF AN ALKYL ACRYLATE, (C) FROM ABOUT 0.25 TO ABOUT 10 PERCENT BY WEIGHT OF A COPOLYMERIZABLE UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, AND ITACONIC ACID, AND DRYING SAID AQUEOUS DISPERSION TO DEPOSIT A CONTINUOUS ADHERENT COATING ON SAID SHAPED ARTICLE, (2) APPLYING OVER THE DRIED COATING A SECOND COATING OF AN AQUEOUS DISPERSION OF A COPOLYMER COMPRISING AT LEAST 70 PERCENT BY WEIGHT OF VINYLIDENE CHLORIDE AND AT LEAST ONE OTHER MONOMER COPOLYMERIZABLE THEREWITH, AND DRYING SAID SECOND COATING.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |