US3328196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating polystyrene articles with vinylidene chloride copolymers and the resultant article
Assignee: Monsanto Co
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Filing: 1963-11-05
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Granted: 1967-06-27
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Sincock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:55
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/043; C08J7/048; C08J7/052; C08J2325/00; C08J2325/02; C08J2325/04; C08J2325/06; C08J2421/00; C08J2421/02; C08J2433/00; C08J2433/04; C08J2433/06; C08J2433/10; C08J2433/12; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1379; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS FOR MAKING AN IMPROVED BIAXIALLY ORIENTED POLYSTYRENE ARTICLE WHICH COMPRISES COATING A BIAXIALLY ORIENTED POLYSTYRENE FILM WITH AN ALIPHATIC SOLVENT SOLUTION OF A NORMALLY SOLID NON-TACKY RESIN SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF AN ALKYL METHACRYLATE HAVING 1 TO 4 CARBON ATOMS PER ALKYL GROUP AND COPOLYMERS OF MIXTURES THEREOF, EVAPORATING SOLVENT FROM THE RESULTING ANCHORING COATING, AND APPLYING TO SAID ANCHORING COATING A SOLID RESINOUS COPOLYMER OF ABOUT 80 TO 97% OF VINYLIDENE CHLORIDE AND ABOUT 3 TO 20% OF AT LEAST ONE MONO-OLEFINIC MONOMER COPOLYMERIZABLE THEREWITH.
Claim 2
Dependent Claim
92 words
A PROCESS FOR MAKING AN IMPROVED BIAXIALLY ORIENTED POLYSTYRENE ARTICLE WHICH COMPRISES COATING A BIAXIALLY ORIENTED POLYSTYRENE FILM WITH AN ALIPHATIC SOLVENT SOLUTION OF A NORMALLY SOLID NON-TACKY RESIN SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF AN ALKYL METHACRYLATE HAVING 1 TO 4 CARBON ATOMS PER ALKYL GROUP AND COPOLYMERS OF MIXTURES THEREOF, EVAPORATING SOLVENT FROM THE RESULTING ANCHORING COATING, AND APPLYING TO SAID ANCHORING COATING A SOLID RESINOUS COPOLYMER OF ABOUT 80 TO 97% OF VINYLIDENE CHLORIDE AND ABOUT 3 TO 20% OF AT LEAST ONE MONO-OLEFINIC MONOMER COPOLYMERIZABLE THEREWITH.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |