US3676391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions for polyolefin substrates
Assignee: Dexter Corp
•
Filing: 1970-04-03
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Granted: 1972-07-11
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Expires: 1990-04-03
Abstract
Abstract Coating composition for priming untreated polyolefin substrates is provided comprising a resin of chlorinated polyolefin and ethylene/vinyl acetate copolymer in a stable solvent system. Also composition for protective and decorative coatings for direct application to untreated polyolefin substrate, comprising a resin of chlorinated polyolefin and acrylic copolymers.
Inventors
- 👤 Frank De Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:25
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J2323/00; C08J2323/02; C08J2433/00; C08L; C08L23/00; C08L23/26; C08L23/28; C08L23/286; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
21 words
A coating composition as set forth in claim 1, wherein said copolymer is a copolymer of methyl methacrylate and n-butyl methacrylate.
Claim 2
Dependent Claim
17 words
A coating composition as set forth in claim 2, wherein said copolymer is a 40/60 methyl/n-butyl copolymer.
Claim 3
Dependent Claim
39 words
A coating composition as set forth in claim 1 wherein up to about two-thirds of said copolymer is replaced by a modifying resin selected from the group consisting of chlorinated diphenyl, acrylated alkyds, natural resins and petroleum based resins.
Claim 4
Dependent Claim
22 words
A coating composition as set forth in claim 1 wherein up to about two-thirds of said copolymer is replaced with chlorinated diphenyl.
Claim 5
Dependent Claim
39 words
A coating composition as set forth in claim 1 wherein said solvent for said resin solution comprises one or more aliphatic and aromatic hydrocarbons selected from the group consisting of hexane, heptane, trichloroethylene benzene, toluene, xylene, xylol and naphtha.
Claim 6
Dependent Claim
12 words
A coating composition as set forth in claim 1 which comprises pigments.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |