US3725311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature extrudable odor-neutralizing composition
Assignee: THURON IND INC US
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Filing: 1972-05-15
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Granted: 1973-04-03
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Expires: 1992-05-15
Abstract
Abstract An extrudable composition and the process of producing it comprising a polymer of 80 to 98 percent PVC, 2 to 20 percent PVAc, and 0 to 20 percent PVA, a plasticizer, a filler to maintain a dry mixture and a volatile odor-neutralizing or modifying agent, the composition being extrudable at a temperature of below 250* F in order to avoid loss of the volatile odor-neutralizing agent through degradation or evaporation.
Inventors
- 👤 L Grubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:46
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K3/00; C08K3/34; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08K5/12; C08L91/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
31 words
A composition according to claim 1 wherein the polymer is a terpolymer of vinyl acetate, vinyl chloride and vinyl alcohol, the plasticizer is dialkyl phthalate and the filler is diatomaceous earth.
Claim 2
Dependent Claim
37 words
A composition according to claim 2 wherein 51 polymer is present in the amount of about 51 percent, said plasticizer in the amount of about 8 percent, and said filler in the amount of about 19 percent.
Claim 3
Dependent Claim
15 words
A composition according to claim 3 which contains from about 0.1% to 0.3% mineral oil.
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |