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US3864201A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoplastic resins loaded with filler bonded to cover layers

Assignee: Lion Fat and Oil Co Ltd
•
Filing: 1971-09-30
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Granted: 1975-02-04
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Expires: 1991-09-30
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Abstract

Abstract A flame retardant laminated material which gives out no poisonous gas even if it should burn, prepared by bonding a member consisting of any material other than a resin composition as defined below to at least one side of a molding of thermoplastic homopolymer resin, a copolymer of thermoplastic resins, or a mixture of thermoplastic resin and copolymer, incorporated with either or both of calcium sulfite and gypsum as a filler.

Inventors

  • 👤 Rinnosuke Susuki
  • 👤 Hiroshi Hoshi
  • 👤 Jiro Saito
  • 👤 Koichi Takano
  • 👤 Kiyoshi Yoshikawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 02:27
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B15/00; B32B15/04; B32B15/046; B32B15/08; B32B15/20; B32B21/00; B32B21/04; B32B21/047; B32B21/08; B32B27/18; B32B27/20; B32B5/00; B32B5/18; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2323/00; B32B2323/04; B32B2323/10; B32B2327/00; B32B2327/06; B32B2419/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24066; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249985; Y10T428/249986; Y10T428/249987; Y10T428/24999

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 71 words
A LAMINATED MATERIAL COMPRISING AT LEAST ONE LAYER OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WOODY MATERIAL AND METALLIC MATERIAL, AND BONDED THERETO IN LAMINATED RELATIONSHIP AT LEAST ONE LAYER OF A FILLED RESINOUS COMPOSITION OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF THERMOPLASTIC HOMOPOLYMER RESINS, COPOLYMERS THEREOF AND MIXTURES THEREOF, CONTAINING A FILLER SELECTED FROM THE GROUP CONSISTING OF CALCIUM SULFITE, GYPSUM, AND MIXTURES THEREOF.
Claim 2
Dependent Claim 71 words
A LAMINATED MATERIAL COMPRISING AT LEAST ONE LAYER OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WOODY MATERIAL AND METALLIC MATERIAL, AND BONDED THERETO IN LAMINATED RELATIONSHIP AT LEAST ONE LAYER OF A FILLED RESINOUS COMPOSITION OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF THERMOPLASTIC HOMOPOLYMER RESINS, COPOLYMERS THEREOF AND MIXTURES THEREOF, CONTAINING A FILLER SELECTED FROM THE GROUP CONSISTING OF CALCIUM SULFITE, GYPSUM, AND MIXTURES THEREOF.
Claim 3
Dependent Claim 30 words
The laminated material according to claim 1, wherein said filled resinous composition layer is a foamed surface layer, bonded on at least one side of a substrate of woody material.
Claim 4
Dependent Claim 27 words
The laminated material according to claim 1, wherein said filled resinous composition layer is a substrate on one or both sides of which is bonded metallic material.
Claim 5
Dependent Claim 39 words
The laminate material according to claim 1, wherein said member of woody materIal is any one selected from the group consisting of wood board, plywood board, flexible or rigid fiber board, particle board, woodfiber cement board, and woody chips.
Claim 6
Dependent Claim 27 words
The laminated material according to claim 1, wherein said member of metallic material is any one selected from the group consisting of iron, aluminum and copper plate.
Claim 7
Dependent Claim 31 words
The laminated material according to claim 3, wherein said filled resinous composition layer is a foamed, substrate on one or both sides of which is bonded said member of metallic material.
Claim 8
Dependent Claim 27 words
The laminated material according to claim 6, wherein said member of metallic material is any one selected from the group consisting of iron, aluminum and copper plate.
Claim 9
Dependent Claim 28 words
The laminated material according to claim 1, wherein said filled resinous composition layer is a foamed substrate on one or both sides of which is bonded woody material.
Claim 10
Dependent Claim 39 words
The laminated material according to claim 8, wherein said member of woody material is any one selected from the group consisting of wood board, plywood board, flexible or rigid fiber board, particle board, woodfiber cement board, and woody chips.
Claim 11
Dependent Claim 28 words
The laminated material according to claim 1, wherrein said filled resinous composition layers are surface ones bonded on at least one side to a substrate of metallic material.
Claim 12
Dependent Claim 27 words
The laminated material according to claim 10, wherein said member of metallic material is any one selected from the group consisting of iron, aluminum and copper plate.
Claim 13
Dependent Claim 13 words
The laminated material according to claim 1, wherein said copolymers consist of ethylene-vinylacetate.
Claim 14
Dependent Claim 40 words
The laminated material according to claim 1, wherein said filled resinous composition further contains a blowing agent selected from the group consisting of benzene sulfonyl hydrozide, toluene sulfonyl hydrazide and azodicarbonamide at a range of 0.1 - 5% by weight.

References Cited (Backward Citations)

US3104196A Cited
US3451842A Cited
US3411967A Cited
US3389196A Cited
US3630820A Cited
US3697366A Cited
US3691003A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-03 1978-08-05 1979-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-03 1982-08-05 1983-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-03 1986-08-05 1987-02-04 $7700.00 Window Closed / Lapsed

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