1. A packaging article, comprising a package structure, component or material of construction, containing an insect-combating amount of 2-undecanone or 2-tridecanone.
2. The packaging article of claim 1, wherein the package structure, component or material of construction comprises a container structure formed of a sheet or web material having 2-undecanone or 2-tridecanone as an ingredient thereof.
3. The packaging article of claim 1, wherein the package structure, component or material of construction, containing an insect-combating amount of 2-undecanone.
4. The packaging article of claim 1, wherein the package structure, component or material of construction, containing an insect-combating amount of 2-tridecanone.
5. The packaging article of claim 1, wherein the insect-combating ingredient is combatingly effective against insect larvae.
6. The packaging article of claim 1, wherein the insect-combating ingredient is combatingly effective against insect adult species.
7. The packaging article of claim 2, wherein said sheet or web material comprises a cellulosic material.
8. The packaging article of claim 1, wherein the package structure, component or material of construction comprises a polymeric film having 2-undecanone or 2-tridecanone as an ingredient thereof.
9. The packaging article of claim 8, wherein said polymeric film is formed by a method selected from the group consisting of extrusion, blow molding, rotomolding, injection molding, and solvent casting.
10. The packaging article of claim 8, wherein said polymeric film comprises a material selected from the group consisting of polyethylene, polypropylene, polyvinylidene chloride, polyvinylchloride, polysulfone, silicone, and polyacetals.
11. A packaged product comprising a package including a package structure, component or material of construction, containing an insect-combating amount of 2-undecanone or 2-tridecanone, and a contained product in said package.
12. The packaged product of claim 11, wherein the package is susceptible to insect attack.
13. The packaged product of claim 11, wherein the contained product is susceptible to insect attack.
14. The packaged product of claim 11, wherein the package and the contained product are susceptible to insect attack.
15. The packaged product of claim 11, wherein the contained product includes a human food.
16. The packaged product of claim 11, wherein the contained product includes an animal food.
17. The packaged product of claim 16, wherein the animal food comprises a food for an animal selected from the group consisting of dogs, cattle, rabbits, sheep, pigs, horses, and birds.
18. The packaged product of claim 16, wherein the animal food comprises pet food.
19. The packaged product of claim 16, wherein the animal food comprises livestock feed.
20. The packaged product of claim 11, wherein the contained product includes a cosmetic.
21. The packaged product of claim 11, wherein the contained product includes a pharmaceutical.
22. The packaged product of claim 11, wherein the contained product includes a material selected from the group consisting of organic and inorganic materials.
23. A method of combating insects to which a packaging is susceptible, comprising fabricating said packaging with an incorporated insect-combating amount of 2-undecanone or 2-tridecanone.
24. The method of claim 23, wherein said packaging comprises a cellulosic or fabric material in which the 2-undecanone or 2-tridecanone is impregnated.
25. The method of claim 23, wherein said packaging comprises a polymeric film having the 2-undecanone or 2-tridecanone as an additive therein.
26. The method of claim 25, wherein said polymeric film comprises a material selected from the group consisting of polyethylene, polypropylene, polyvinylidene chloride, polyvinylchloride, polysulfone, silicone, and polyacetals.
27. A method of combating insects to which a packaging andor its contents is susceptible, comprising fabricating said packaging with an incorporated insect-combating amount of 2-undecanone or 2-tridecanone.
28. The method of claim 27, wherein said insects comprise insect larvae.
29. The method of claim 27, wherein said insects comprise adult insects.
30. The method of claim 27, wherein said insects comprise an insect species selected from the group consisting of ticks, fleas, aphids, cockroaches, flies, gnats, no-see ums, chiggers, thrips, mosquitoes, and beetles.
31. The method of claim 27, comprising fabricating said packaging with an incorporated insect-combating amount of 2-undecanone.
32. The method of claim 27, comprising fabricating said packaging with an incorporated insect-combating amount of 2-tridecanone.
33. The method of claim 27, wherein the insect-combating amount of 2-undecanone or 2-tridecanone is incorporated in the packaging as an ingredient of a wax, lacquer, ink or coating applied to or incorporated in the packaging.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An imaging lens, comprising:
a first lens having positive refractive power;
a second lens having negative refractive power; and
a third lens having positive refractive power arranged in the order from an object side to an image plane side,
wherein said first lens has a shape so that a curvature radius of a surface thereof on the object side and a curvature radius of a surface thereof on the image plane side are both positive,
said second lens has a shape so that a curvature radius of a surface thereof on the object side is negative and a curvature radius of a surface thereof on the image plane side is positive,
said third lens has a shape so that a curvature radius of a surface thereof on the object side and a curvature radius of a surface thereof on the image plane side are both positive,
said first lens has a focal length f1,
said second lens has a focal length f2,
said third lens has a focal length f3,
said first lens and said second lens have a composite focal length f12, and
said second lens and said third lens have a composite focal length f23 so that the following conditional expressions are satisfied:
f1<|f2|
f1<f3
\u22121.0<f12f23<\u22120.1.
2. The imaging lens according to claim 1, wherein said third lens has a thickness D3 on an optical axis, and said first lens has the surface on the object side being away from the surface of the third lens on the image plane side by a distance L13 on the optical axis so that the following conditional expression is satisfied:
0.25<D3L13<0.5.
3. The imaging lens according to claim 1, wherein said first lens has the focal length f1 and said second lens has the focal length f2 so that the following conditional expression is satisfied:
\u22121.0<f1f2<\u22120.5.
4. The imaging lens according to claim 1, wherein said second lens has the surface on the object side having a curvature radius Rf and the surface on the image plane side having a curvature radius Rr so that the following conditional expression is satisfied:
\u22120.30<RfRr<0.
5. The imaging lens according to claim 1, wherein said first lens is arranged to be away from the second lens by a distance dA on the optical axis, and said second lens is arranged to be away from the third lens by a distance dB on the optical axis so that the following conditional expression is satisfied:
1.0<dAdB<3.0.