Patent US4204018A successfully refreshed from Google Patents.
US4204018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated polymer materials and process for making same
Assignee: Herculite Products Inc
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Filing: 1977-07-26
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Granted: 1980-05-20
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Expires: 1997-07-26
Abstract
Abstract This invention concerns non-porous, polymeric articles having active properties, and methods for producing such articles. Plastic, rubber, or other natural and synthetic polymeric articles are provided with active chemical and/or physical properties, such as, antibacterial, antifungal, pesticidal, insecticidal, animal repellent, odorous, antistatic, electrically conductive or other properties or combinations of properties, by applying to a surface of the article selected active agents which are capable of migrating or moving throughout the body of the article to impart an effective level of activity throughout the article and/or on a surface other than the one to which the activating agents have been applied.
Inventors
- 👤 Bruce S. Bernstein
- 👤 Ramesh C. Kapoor
- 👤 Seymour Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:02
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/043; A; A01; A01N; A01N25/00; A01N25/34; B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/12; B32B27/18; C08J7/0427; C08J7/044; C08K; C08K5/00; C08K5/0008; C08K5/0075; B32B2305/00; B32B2305/08; B32B2307/00; B32B2307/20; B32B2307/21; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10S428/92; Y10S428/921; Y10S428/922; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31725; Y10T428/31739; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31909; Y10T428/31924; Y10T428/31928; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/164
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
107 words
A polymeric article having antistatic properties comprising a solid, non-porous, polymeric substrate, and a solid, non-porous layer of a polymeric composition adherently applied to at least one surface of said substrate, said composition containing at least one antistatically active agent distributed within said polymeric composition, and capable of migrating from said layer into and throughout said substrate, said agent being present in said layer in sufficient amount so that upon migration from said layer into said substrate an effective level of antistatic activity is provided throughout said substrate and on at least one other surface of said substrate which is not in direct contact with said layer.
Claim 2
Dependent Claim
107 words
A polymeric article having antistatic properties comprising a solid, non-porous, polymeric substrate, and a solid, non-porous layer of a polymeric composition adherently applied to at least one surface of said substrate, said composition containing at least one antistatically active agent distributed within said polymeric composition, and capable of migrating from said layer into and throughout said substrate, said agent being present in said layer in sufficient amount so that upon migration from said layer into said substrate an effective level of antistatic activity is provided throughout said substrate and on at least one other surface of said substrate which is not in direct contact with said layer.
Claim 3
Dependent Claim
70 words
The article of claim 1 wherein the amount of antistatically active agent in said layer is in excess of the amount needed to provide an initial effective level of antistatic activity throughout said article, said excess amount of said agent providing a reservoir of said agent in said layer for the maintenance of an effective level of antistatic activity in said article by replenishment of said agent from said reservoir.
Claim 4
Dependent Claim
46 words
The article of claim 1 wherein said substrate is a material selected from the group consisting of a lower polyolefin, polyvinyl chloride, polyvinyl fluoride, polychlorotrifluoroethylene, polyester urethane, polycarbonate, polyethylene terephthalate, polyvinylidene chloride, polybenzimidazole, ethylene-acrylic acid copolymer ionomer, cellulose acetate, regenerated cellulose, polyamide and multilayer laminated materials.
Claim 5
Dependent Claim
61 words
The polymeric article of claim 1 wherein said solid, non-porous polymeric substrate is a film of polyvinyl chloride, and said solid, non-porous layer of a polymeric composition adherently applied to one surface of said substrate is a polyvinyl chloride plastisol containing said antistatically active agent, and said article further comprising a solid, non-porous film of polyvinyl chloride bonded to said layer.
Claim 6
Dependent Claim
22 words
The article of claim 1 further comprising a second material bonded to said layer on the surface not contacted by said substrate.
Claim 7
Dependent Claim
27 words
The article of claim 5 wherein said second material is selected from the group consisting of metal, wood, plastic, particle board, paper, textile, asbestos, multilayer laminated elements.
Claim 8
Dependent Claim
147 words
A polymeric article having active antistatic properties comprising a substrate comprising a plurality of fibers of solid, non-porous polymeric material, and a solid layer of a polymeric composition applied to at least one surface of said substrate in contact with at least a portion of said fibers, said composition containing at least one antistatically active agent distributed within said polymeric composition and capable of migrating from said layer into and throughout those fibers of said substrate which are in contact with said layer, said agent being present in said layer in sufficient amount so that upon migration from said layer into said fibers of said substrate an effective level of antistatic activity is provided throughout each of said fibers which is in contact with said layer, and on at least one other surface of each of said fibers which is not in direct contact with said layer.
Claim 9
Dependent Claim
147 words
A polymeric article having active antistatic properties comprising a substrate comprising a plurality of fibers of solid, non-porous polymeric material, and a solid layer of a polymeric composition applied to at least one surface of said substrate in contact with at least a portion of said fibers, said composition containing at least one antistatically active agent distributed within said polymeric composition and capable of migrating from said layer into and throughout those fibers of said substrate which are in contact with said layer, said agent being present in said layer in sufficient amount so that upon migration from said layer into said fibers of said substrate an effective level of antistatic activity is provided throughout each of said fibers which is in contact with said layer, and on at least one other surface of each of said fibers which is not in direct contact with said layer.
Claim 10
Dependent Claim
14 words
The article of claim 7 further comprising a second material bonded to said layer.
Claim 11
Dependent Claim
27 words
The article of claim 8 wherein said second material is selected from the group consisting of metal, wood, plastic, particle board, paper, textile, asbestos, multilayer laminated elements.
Claim 12
Dependent Claim
70 words
The article of claim 7 wherein the amount of antistatically active agent in said layer is in excess of the amount needed to provide an initial effective level of antistatic activity throughout said article, said excess amount of said agent providing a reservoir of said agent in said layer for the maintenance of an effective level of antistatic activity in said article by replenishment of said agent from said reservoir.
Claim 13
Dependent Claim
43 words
The article of claim 7 wherein said substrate is a material selected from the group consisting of a lower polyolefin, polyvinyl chloride, polyvinyl fluoride, polychlorotrifluoroethylene, polyester urethane, polycarbonate, polyethylene terephthalate, polyvinylidene chloride, polybenzimidazole, ethylene-acrylic acid copolymer ionomer, cellulose acetate, regenerated cellulose and polyamide.
Claim 14
Dependent Claim
123 words
A polymeric article having active antistatic properties comprising a solid, non-porous, polymeric substrate, a solid, non-porous layer of a polymeric composition adherently applied to at least one surface of said substrate, said composition containing at least one antistatically active agent distributed within said polymeric composition, and capable of migrating from said layer into and throughout said substrate, said agent being present in said layer in sufficient amount so that upon migration from said layer into said substrate an effective level of antistatic activity is provided throughout said substrate and on at least one other surface of said substrate which is not in direct contact with said layer, and a polymer film bonded to said layer on the surface not contacted by said substrate.
Claim 15
Dependent Claim
123 words
A polymeric article having active antistatic properties comprising a solid, non-porous, polymeric substrate, a solid, non-porous layer of a polymeric composition adherently applied to at least one surface of said substrate, said composition containing at least one antistatically active agent distributed within said polymeric composition, and capable of migrating from said layer into and throughout said substrate, said agent being present in said layer in sufficient amount so that upon migration from said layer into said substrate an effective level of antistatic activity is provided throughout said substrate and on at least one other surface of said substrate which is not in direct contact with said layer, and a polymer film bonded to said layer on the surface not contacted by said substrate.
Claim 16
Dependent Claim
70 words
The article of claim 12 wherein the amount of antistatically active agent in said layer is in excess of the amount needed to provide an initial effective level of antistatic activity throughout said article, said excess amount of said agent providing a reservoir of said agent in said layer for the maintenance of an effective level of antistatic activity in said article by replenishment of said agent from said reservoir.
Claim 17
Dependent Claim
46 words
The article of claim 12 wherein said substrate is a material selected from the group consisting of a lower polyolefin, polyvinyl chloride, polyvinyl fluoride, polychlorotrifluoroethylene, polyester urethane, polycarbonate, polyethylene terephthalate, polyvinylidene chloride, polybenzimidazole, ethylene-acrylic acid copolymer ionomer, cellulose acetate, regenerated cellulose, polyamide and multilayer laminated materials.
Claim 18
Dependent Claim
12 words
The article of claim 12 wherein said layer contains a reinforcing member.
Claim 19
Dependent Claim
13 words
The article of claim 15 wherein said reinforcing member is a nylon scrim.
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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) | 1983-05-20 | 1983-11-19 | 1984-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-20 | 1987-11-19 | 1988-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-20 | 1991-11-19 | 1992-05-20 | $7700.00 | Window Closed / Lapsed |