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US4288491A Expired / Lapsed US ⏱️ 0.0 years remaining

Laminated plastic material

Assignee: Individual
•
Filing: 1979-03-13
•
Granted: 1981-09-08
•
Expires: 1999-03-13
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Abstract

Abstract A laminated plastic material comprises surface layers of paper impregnated with amino formaldehyde resin and inner layers of paper containing a flame retardant material and impregnated with phenol formaldehyde resin. The flame retardant material is a product of interaction of an aluminum or copper compound with phosphoric acid and nitrogen bases and contains, in weight percent: ______________________________________ P 2 O 5 total 37 to 63 P 2 O 5 water-soluble 0 to 6 NH 3 3.5 to 11 MO 18 to 43 ______________________________________ where MO is at least one metallic oxide, the flame retardant material content ranging from 4 to 8 weight percent, with the following ratio of the laminated plastic components, in weight percent:______________________________________paper for surface layers 9 to 26paper for inner layers 26 to 49phenol-formaldehyde resin 16 to 30amino-formaldehyde resin 5 to 26______________________________________

Inventors

  • 👤 Evgeny M. Surzhenko
  • 👤 Bronislav F. Basilaev
  • 👤 Roman V. Molotkov
  • 👤 Alexandr S. Madorsky
  • 👤 Grigory B. Shalun
  • 👤 Valentina B. Golynkina
  • 👤 Margarita A. Ershova
  • 👤 Irina P. Eliseeva
  • 👤 Nina E. Trukhtenkova
  • 👤 Sergei M. Gurylev
  • 👤 Diana L. Kopetskaya
  • 👤 Evgeny Y. Pechko
  • 👤 Albert S. Khlamenko
  • 👤 Viktor V. Magnitsky

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:06
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/06; C; C09; C09K; C09K21/00; C09K21/02; C09K21/04; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H21/00; D21H21/14; D21H21/34; D21H27/00; D21H27/30; D21H5/00; D21H5/0002; B32B2264/00; B32B2264/10; B32B2264/105; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2317/00; B32B2317/12; B32B2317/125; D21H27/18; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31942; Y10T428/31946; Y10T428/31949; Y10T428/31964; Y10T428/31967; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 152 words
A laminated material comprising surface layers of paper impregnated with amino-formaldehyde resin and inner layers of paper containing a flame retardant material in an amount of 4 to 8 percent by weight of the total laminate and impregnated with phenol-formaldehyde resin, said flame retardant material being a product of interaction of an aluminum or copper compound with phosphoric acid and nitrogen bases, containing in weight percent: ______________________________________ P.sub.2 O.sub.5 total 37 to 63 P.sub.2 O.sub.5 water-soluble 0 to 6 NH.sub.3 3.5 to 11 MO 18 to 43 ______________________________________ wherein MO is at least one metallic oxide, said components of the laminated material being contained therein in the following ratio, in weight percent: ______________________________________ paper for surface layers 9 to 26 paper for inner layers 26 to 49 phenol-formaldehyde resin 16 to 30 amino-formaldehyde resin 5 to 26, ______________________________________ said laminated material having a combustibility index in the range of 0.1 to 0.5.
Claim 2
Dependent Claim 152 words
A laminated material comprising surface layers of paper impregnated with amino-formaldehyde resin and inner layers of paper containing a flame retardant material in an amount of 4 to 8 percent by weight of the total laminate and impregnated with phenol-formaldehyde resin, said flame retardant material being a product of interaction of an aluminum or copper compound with phosphoric acid and nitrogen bases, containing in weight percent: ______________________________________ P.sub.2 O.sub.5 total 37 to 63 P.sub.2 O.sub.5 water-soluble 0 to 6 NH.sub.3 3.5 to 11 MO 18 to 43 ______________________________________ wherein MO is at least one metallic oxide, said components of the laminated material being contained therein in the following ratio, in weight percent: ______________________________________ paper for surface layers 9 to 26 paper for inner layers 26 to 49 phenol-formaldehyde resin 16 to 30 amino-formaldehyde resin 5 to 26, ______________________________________ said laminated material having a combustibility index in the range of 0.1 to 0.5.
Claim 3
Dependent Claim 28 words
A laminated material as defined in claim 1, wherein the amino-formaldehyde resin content of the impregnated paper for the surface layers of said laminate is 50 weight percent.
Claim 4
Dependent Claim 28 words
A laminated material as defined in claim 1, wherein the phenol-formaldehyde resin content of the impregnated paper for the inner layers of said laminate is 35 weight percent.
Claim 5
Dependent Claim 25 words
A laminated material as defined in claim 1, wherein said flame retardant is a product of interaction of nepheline with phosphoric acid and nitrogen bases.
Claim 6
Dependent Claim 15 words
A laminated material as defined in claim 1, wherein said amino-formaldehyde resin is melamine-formaldehyde resin.
Claim 7
Dependent Claim 25 words
A laminated material as defined in claim 5, wherein said flame retardant is a product of interaction of nepheline with phosphoric acid and nitrogen bases.
Claim 8
Dependent Claim 162 words
A laminated material comprising surface layers of paper impregnated with amino-formaldehyde resin and inner layers of paper containing a flame retardant material in an amount of 4 to 8 percent by weight of the total laminate and impregnated with phenol-formaldehyde resin, said flame retardant material being a product of interaction of an aluminum or copper compound with phosphoric acid and nitrogen bases, containing, in weight percent: ______________________________________ P.sub.2 O.sub.5 total 37 to 63 P.sub.2 O.sub.5 water-soluble 0 to 6 NH.sub.3 3.5 to 11 MO 18 to 43 ______________________________________ where MO is at least one metallic oxide, said components of the laminated material being contained therein in the following ratio, in weight percent: ______________________________________ paper for surface layers 9 to 26 paper for inner layers 26 to 49 phenol-formaldehyde resin 16 to 30 amino-formaldehyde resin 5 to 26, ______________________________________ said laminated material having a combustibility index K in the range of 0.1 to 0.5, and a thickness of from 1 to 3 mm.
Claim 9
Dependent Claim 162 words
A laminated material comprising surface layers of paper impregnated with amino-formaldehyde resin and inner layers of paper containing a flame retardant material in an amount of 4 to 8 percent by weight of the total laminate and impregnated with phenol-formaldehyde resin, said flame retardant material being a product of interaction of an aluminum or copper compound with phosphoric acid and nitrogen bases, containing, in weight percent: ______________________________________ P.sub.2 O.sub.5 total 37 to 63 P.sub.2 O.sub.5 water-soluble 0 to 6 NH.sub.3 3.5 to 11 MO 18 to 43 ______________________________________ where MO is at least one metallic oxide, said components of the laminated material being contained therein in the following ratio, in weight percent: ______________________________________ paper for surface layers 9 to 26 paper for inner layers 26 to 49 phenol-formaldehyde resin 16 to 30 amino-formaldehyde resin 5 to 26, ______________________________________ said laminated material having a combustibility index K in the range of 0.1 to 0.5, and a thickness of from 1 to 3 mm.

References Cited (Backward Citations)

US3202567A Cited
US3410750A Cited
US4150188A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-09-07 1985-03-09 1985-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-09-07 1989-03-09 1989-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-09-07 1993-03-09 1993-09-08 $7700.00 Window Closed / Lapsed

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