US4631231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrethroid-containing molded articles for combating ectoparasites
Assignee: Bayer AG
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Filing: 1984-08-31
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Granted: 1986-12-23
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Expires: 2004-08-31
Abstract
Abstract An article molded of at least one polymer selected from the group consisting of a polyvinyl resin, polyacrylate, epoxy resin, cellulose, cellulose derivative, polyamide and polyester and containing at least one pyrethroid selected from the group consisting of 3'-phenoxy-4'-fluoro-α-cyano-benzyl 2,2-dimethyl-3-(2"-p-chlorophenyl-2"-chlorovinyl)-cyclopropanecarboxylate,3'-phenoxy-4'-fluoro-α-cyano-benzyl 2,2-dimethyl-3-(2",2"-dichlorovinyl)cyclopropane-carboxylate, pentafluorobenzyl permethrate, and isomers thereof. Such articles are especially useful in combating ectoparasites in livestock management, being used in the form of an ear-tag, neck strap, neck strap tag, tail strap, limb strap or halter.
Inventors
- 👤 Wilhelm Stendel
- 👤 Herbert Voege
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/34; A01N53/00; Y; Y10; Y10S; Y10S428/00; Y10S428/905; Y10S428/907; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31725; Y10T428/31786; Y10T428/31855; Y10T428/31935; Y10T428/31938; Y10T428/31971
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
46 words
An article molded of at least one polymer selected from the group consisting of a polyvinyl resin, polyacrylate, epoxy resin, cellulose, cellulose derivative, polyamide and polyester and containing at least one pyrethroid selected from the group consisting of 3'-phenoxy-4'-fluoro-α-cyano-benzyl 2,2-dimethyl-3-(2"-p-chlorophenyl-2"-chlorovinyl)-cyclopropanecarboxylate,3'-phenoxy-4'-fluoro-α-cyano-benzyl 2,2-dimethyl-3-(2",2"-dichlorovinyl)cyclopropane-carboxylate, pentafluorobenzyl permethrate, and isomers thereof.
Claim 2
Dependent Claim
46 words
An article molded of at least one polymer selected from the group consisting of a polyvinyl resin, polyacrylate, epoxy resin, cellulose, cellulose derivative, polyamide and polyester and containing at least one pyrethroid selected from the group consisting of 3'-phenoxy-4'-fluoro-α-cyano-benzyl 2,2-dimethyl-3-(2"-p-chlorophenyl-2"-chlorovinyl)-cyclopropanecarboxylate,3'-phenoxy-4'-fluoro-α-cyano-benzyl 2,2-dimethyl-3-(2",2"-dichlorovinyl)cyclopropane-carboxylate, pentafluorobenzyl permethrate, and isomers thereof.
Claim 3
Dependent Claim
17 words
A molded article according to claim 1, containing the pyrethroid in about 0.5 to 20% by weight.
Claim 4
Dependent Claim
17 words
A molded article according to claim 1, containing the pyrethroid in about 1 to 10% by weight.
Claim 5
Dependent Claim
31 words
A molded article according to claim 1 in the form of an ear-tag, neck strap, neck strap tag, tail strap, limb strap or halter used in livestock management to combat ectoparasites.
Claim 6
Dependent Claim
12 words
An ear-tag according to claim 4, containing pentafluorobenzyl permethrate as the pyrethroid.
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) | 1989-12-22 | 1990-06-23 | 1990-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-22 | 1994-06-23 | 1994-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-22 | 1998-06-23 | 1998-12-23 | $7700.00 | Window Closed / Lapsed |