US5017377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled release insect pest repellent
Assignee: Takiron Co Ltd
•
Filing: 1989-10-31
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Granted: 1991-05-21
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Expires: 2009-10-31
Abstract
Abstract A controlled release insect pest repellent comprising p-menthane-3,8-diol blended with an ethylene/vinyl acetate copolymer is disclosed. This controlled release insect pest repellent can show continuous controlled release of the repellent component, i.e., p-menthane-3,8-diol, for a prolonged period of time so as to effectively exterminate insect pests.
Inventors
- 👤 Yasuo Sikinami
- 👤 Kunihiro Hata
- 👤 Masaki Yasuhara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:42
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/18; A01N31/00; A01N31/06
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
35 words
A controlled release insect pest repellent comprising p-menthane-3,8-diol with an ethylene/vinyl acetate copolymer, wherein said ethylene vinyl acetate copolymer contains a vinyl acetate unit at a content of approximately from 15 to 40% by weight.
Claim 2
Dependent Claim
35 words
A controlled release insect pest repellent comprising p-menthane-3,8-diol with an ethylene/vinyl acetate copolymer, wherein said ethylene vinyl acetate copolymer contains a vinyl acetate unit at a content of approximately from 15 to 40% by weight.
Claim 3
Dependent Claim
27 words
A controlled release insect pest repellent as claimed in claim 1, wherein said p-menthane-3,8-diol is contained in an amount of approximately from 5 to 30% by weight.
Claim 4
Dependent Claim
35 words
A controlled release insect pest repellent as claimed in claim 1, wherein said p-menthane-3,8-diol is a mixture of cis- and trans-isomers thereof at such a ratio as to make said mixture liquid at room temperature.
Claim 5
Dependent Claim
22 words
A controlled release insect pest repellent as claimed in claim 3, wherein the content of p-menthane-3,8-diol is 10 to 20% by weight.
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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) | 1994-05-20 | 1994-11-19 | 1995-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-20 | 1998-11-19 | 1999-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-20 | 2002-11-19 | 2003-05-21 | $7700.00 | Window Closed / Lapsed |