US3620453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped article with insecticidal properties
Assignee: Individual
•
Filing: 1969-09-24
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Granted: 1971-11-16
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Expires: 1989-09-24
Abstract
Abstract A shaped article with insecticidal properties, which comprises a solid porous mineral support, agglomerated naturally or artificially, which is impregnated with at least one insecticidal substance, the mineral support being inert with regard to the insecticidal substance under the conditions under which the article is used for combatting insects.
Inventors
- 👤 Abraam Gancberg
- 👤 Raymond Carpentier
- 👤 Rene Paquet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:04
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/18
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
31 words
A shaped article according to claim 1, wherein the porous mineral support is selected from the group consisting of siliceous, aluminous, silico-aluminous silico-calco-aluminous, silico-calcareous, calcoaluminous and calcareous matter of mineral origin.
Claim 2
Dependent Claim
18 words
A shaped article according to claim 1, Wherein the porous mineral support is pumice stone cut into sheets.
Claim 3
Dependent Claim
32 words
A shaped article according to claim 1, wherein the porous mineral support is an artificial porous calcium silico-aluminate agglomerate made form lime and fly ash from thermal power stations and powdered aluminum.
Claim 4
Dependent Claim
20 words
A shaped article according to claim 1, wherein the mineral support is an autoclaved or naturally aged porous asbestos-cement agglomerate.
Claim 5
Dependent Claim
28 words
A shaped article according to claim 1, wherein the mineral support is a porous asbestos-silica agglomerate constituted by the amosite or chrysolite variety of asbestos and calcium silicate.
Claim 6
Dependent Claim
27 words
A shaped article according to claim 1, wherein there is additionally present a water-repellent substance which acts as a regulator of the vapor pressure of the insecticide
Claim 7
Dependent Claim
32 words
A shaped article according to claim 1, wherein there is present a water-repellent substance selected from the group consisting of mineral oil, a chlorinated diphenyl, a chlorinated polyphenyl or a silicone oil.
Claim 8
Dependent Claim
20 words
A shaped article according to claim 1 wherein the porous mineral support is covered with a water-repellent film of polyethylene.
Claim 9
Dependent Claim
22 words
A shaped article according to claim 1, wherein the porous mineral support has a pH of 5- 7 as measured in water.
Claim 10
Dependent Claim
21 words
A shaped article according to claim 1, wherein the porous mineral support has a pH of 5.5-6.5 as measured in water.
Claim 11
Dependent Claim
21 words
A shaped articles as in claim 1 wherein the porous support has been acidified with oxalic acid as the acidifying agent.
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |