US5270108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building material with protection from insects, molds, and fungi
Assignee: AFM Corp A MINNESOTA CORPORATION
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Filing: 1989-12-28
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Granted: 1993-12-14
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Expires: 2009-12-28
Abstract
Abstract An insulated building panel for use in residential or commercial construction comprising a core of expanded polystyrene (EPS) bonded to at least two exterior skins of oriented strand board by a urethane laminating adhesive and treated with a sodium borate, such as disodium octaborate tetrahydrate, to preserve and protect the building panels from attack by many types of insects, molds, and fungi is disclosed. In an alternative embodiment, EPS for a variety of construction and insulating uses so protected are disclosed.
Inventors
- 👤 Thomas L. Savoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:44
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/296; A; A01; A01N; A01N59/00; A01N59/14; B; B32; B32B; B32B21/00; B32B21/04; B32B21/08; E04C2/10; E04C2/24; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249954; Y10T428/249986; Y10T428/249987
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
31 words
A building material comprising: (a) expanded polystyrene; and (b) a treatment chemical comprised of a borate having insecticidal and fungicidal properties mixed throughout a least a portion of said expanded polystyrene.
Claim 2
Dependent Claim
31 words
A building material comprising: (a) expanded polystyrene; and (b) a treatment chemical comprised of a borate having insecticidal and fungicidal properties mixed throughout a least a portion of said expanded polystyrene.
Claim 3
Dependent Claim
21 words
A building material as claimed in Claim 1 wherein said expanded polystyrene is in the form of a firm solid block.
Claim 4
Dependent Claim
20 words
A building material as claimed in Claim 1 wherein said expanded polystyrene is in the form of small individual pellets.
Claim 5
Dependent Claim
18 words
A building material as claimed in Claim 1 wherein said borate further consists essentially of a sodium borate.
Claim 6
Dependent Claim
18 words
A building material as claimed in Claim 4 wherein said sodium borate consists essentially of disodium octaborate tetrahydrate.
Claim 7
Dependent Claim
30 words
A process for making a building material comprising the steps of: (a) mixing a borate having insecticidal and fungicidal properties with beads of a polystyrene; and (b) expanding said mixture.
Claim 8
Dependent Claim
30 words
A process for making a building material comprising the steps of: (a) mixing a borate having insecticidal and fungicidal properties with beads of a polystyrene; and (b) expanding said mixture.
Claim 9
Dependent Claim
15 words
A process as claimed in Claim 6 further comprising expanding said polystyrene into a mold.
Claim 10
Dependent Claim
31 words
A process for making a building material comprising the steps of: (a) expanding a polystyrene into a mold; and (b) treating said polystyrene with a borate having insecticidal and fungicidal properties.
Claim 11
Dependent Claim
31 words
A process for making a building material comprising the steps of: (a) expanding a polystyrene into a mold; and (b) treating said polystyrene with a borate having insecticidal and fungicidal properties.
Claim 12
Dependent Claim
21 words
A process as claimed in Claim 8 wherein said treatment step further comprises dipping said expanded polystyrene into a treatment solution.
References Cited (Backward Citations)
US1620587A
Cited
US2186134A
Cited
US3473252A
Cited
US3619437A
Cited
US3816610A
Cited
US4461758A
Cited
US4438090A
Cited
US4576801A
Cited
US4564554A
Cited
US4587164A
Cited
US4807391A
Cited
US4648202A
Cited
US4688349A
Cited
US4826682A
Cited
US4942084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-12-13 | 1997-06-14 | 1997-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-13 | 2001-06-14 | 2001-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-13 | 2005-06-14 | 2005-12-14 | $7700.00 | Window Closed / Lapsed |