US4576801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pesticidal sheets or containers
Assignee: Individual
•
Filing: 1983-12-20
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Granted: 1986-03-18
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Expires: 2003-12-20
Abstract
Abstract An item (including a sheet or lamina) is treated to proof the item, or a surface or area in which the item is placed, against crawling insects, by printing or spraying the item, or immersing the item in, a pesticide/liquid carrier solution and then drying the solution to remove the liquid carrier, to leave a residue pesticide in or on the material of the item to be contacted by the crawling insects. The pesticide/carrier solution may be applied to the item by mixing the pesticide in a suitable ink and printing the solution onto the item by flexopress, offset or letterpress printing methods or by silk-screening methods.
Inventors
- 👤 Lawrence J. Parry
- 👤 Bruce J. Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:56
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/36; A; A01; A01N; A01N25/00; A01N25/34; B; B41; B41M; B41M3/00; B41M3/006; Y; Y10; Y10S; Y10S428/00; Y10S428/907
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
110 words
A method of manufacturing an item applicable to a surface or area to proof the item, surface or area against crawling insects, the method including the steps of: (a) mixing a pesticide with a liquid carrier, said liquid carrier comprising a printer's ink or ink/solvent mixture and said pesticide comprising a wettable-powder or liquid pesticide soluble in a water-or alcohol-based printer's ink or the solvent; (b) applying the pesticide/carrier solution to the surface or surfaces of said item by printing or silk-screening methods; and (c) drying the solution to remove the liquid carrier and to leave the pesticide in or on the item to be contacted by the crawling insects.
Claim 2
Independent Claim
110 words
A method of manufacturing an item applicable to a surface or area to proof the item, surface or area against crawling insects, the method including the steps of: (a) mixing a pesticide with a liquid carrier, said liquid carrier comprising a printer's ink or ink/solvent mixture and said pesticide comprising a wettable-powder or liquid pesticide soluble in a water-or alcohol-based printer's ink or the solvent; (b) applying the pesticide/carrier solution to the surface or surfaces of said item by printing or silk-screening methods; and (c) drying the solution to remove the liquid carrier and to leave the pesticide in or on the item to be contacted by the crawling insects.
Claim 3
Dependent Claim
24 words
A method as claimed in claim 1 wherein: a flexopress, offset press or letterpress is used to apply the pesticide/carrier solution to the item.
Claim 4
Dependent Claim
34 words
A method as claimed in claim 1 wherein: the toxicity level of the pesticide is up to 60% lower than the contact pesticides applied by conventional methods and the pesticide is odourless and non-staining.
Claim 5
Dependent Claim
21 words
A method as claimed in claim 1 wherein: the item is a sheet or lamina of paper, newsprint or paper-like materials.
Claim 6
Dependent Claim
32 words
A method as claimed in claim 1 or 2 wherein: the pesticide is a residual contact pesticide retained in or on the material of the item as a residue of fine crystals.
Claim 7
Dependent Claim
44 words
A method as claimed in claim 5 wherein: the pesticide is a contact pesticide including one or more of the following: "WP80" by Bayer AG; carbamates including "Propoxur" and bendicarb; chlorinated hydrocarbons; organic phosphates including idophenphos, fenitrochion and Dursban; and pyrethroids including synthetic pyrethroids.
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) | 1989-03-17 | 1989-09-16 | 1990-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-17 | 1993-09-16 | 1994-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-17 | 1997-09-16 | 1998-03-18 | $7700.00 | Window Closed / Lapsed |