US4095031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfumed copolymers of ethylene and polar monomer
Assignee: POLAK'S FRUTAL WORKS Inc
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Filing: 1977-02-08
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Granted: 1978-06-13
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Expires: 1997-02-08
Abstract
Abstract Perfumed composites of ethylene and polar monomer copolymers, such as vinyl acetate and ethyl acrylate, are disclosed. Shaped bodies prepared from such composites faithfully retain the fragrance of the perfume oil for periods up to a year and more.
Inventors
- 👤 Edward Jacob Engle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:40
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/042; Y; Y10; Y10S; Y10S428/00; Y10S428/905
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
56 words
A thermoplastic resin body consisting essentially of a thermoplastic copolymer of ethylene and about 6 to 60% by weight of a polar vinyl monomer selected from the class consisting of (a) vinyl acetate; (b) ethyl acrylate; (c) methyl acrylate; (d) butyl acrylate; and (e) acrylic acid and about 1 to 30% by weight of perfume oil.
Claim 2
Dependent Claim
56 words
A thermoplastic resin body consisting essentially of a thermoplastic copolymer of ethylene and about 6 to 60% by weight of a polar vinyl monomer selected from the class consisting of (a) vinyl acetate; (b) ethyl acrylate; (c) methyl acrylate; (d) butyl acrylate; and (e) acrylic acid and about 1 to 30% by weight of perfume oil.
Claim 3
Dependent Claim
24 words
The thermoplastic resin body of claim 1 wherein the thermoplastic copolymer is comprised of ethylene and about 6 to 18% by weight ethyl acrylate.
Claim 4
Dependent Claim
25 words
The thermoplastic resin body of claim 1 wherein the thermoplastic copolymer is comprised of ethylene and about 9 to 60% by weight of vinyl acetate.
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) | 1981-06-12 | 1981-12-12 | 1982-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-12 | 1985-12-12 | 1986-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-12 | 1989-12-12 | 1990-06-13 | $7700.00 | Window Closed / Lapsed |