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US3901991A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-combustible shaped articles and process for the preparation thereof

Assignee: Sekisui Chemical Co Ltd
•
Filing: 1971-12-28
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Granted: 1975-08-26
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Expires: 1991-12-28
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Abstract

Abstract A non-combustible shaped article which is composed of the base material shaped of a mixture comprising a hydraulic inorganic composition consisting of a water-insoluble inorganic substance composed predominantly of silica and another inorganic substance composed predominantly of calcium oxide, and mineral fibers, under addition of water, and a surface material integrally bound on at least one surface of said base material, which is applied to said surface as an aqueous dispersion of a hydraulic inorganic composition consisting of a water-insoluble inorganic substance composed predominantly of silica and another inorganic substance composed predominantly of calcium oxide, or of the mixture of said hydraulic inorganic composition with at least one member of the group consisting of water-soluble silicate compound, zirconium compound and alkali metal hydroxide, and then hardened under heating as an integral structure, and a process for the preparation thereof.

Inventors

  • 👤 Harutoshi Ueda
  • 👤 Naoyuki Suzuki
  • 👤 Masami Nagao
  • 👤 Satoshi Shiroza
  • 👤 Hiroshi Hayashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:26
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B28/00; C04B28/18; C04B41/45; C04B41/50; C04B41/5076; C04B41/5089; C04B41/60; C04B41/61; C04B41/65; C04B41/68; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31667; Y10T428/31855

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 6 words
A NON-COMBUSTIBLE SHAPED ARTICLE COMPOSED OF
Claim 2
Dependent Claim 6 words
A NON-COMBUSTIBLE SHAPED ARTICLE COMPOSED OF
Claim 3
Dependent Claim 125 words
A HYDRAULIC INORGANIC BASE MATERIAL SHAPED FROM AN INORGANIC COMPOSITION CONSISTING ESSENTIALLY OF (A) A WATERINSOLUBLE INORGANIC SUBSTANCE COMPOSED PREDOMINANTLY OF SILICA SELECTED FROM THE GROUP CONSISTING OF SILEX, SILICEOUS SAND, APLITE, POTTERY STONE, SILICATE TERRA ABLA, PAIGEITE, DIATOMACEOUS EARTH, PERLITE AND FLY ASH, AND (B) AN INORGANIC SUBSTANCE COMPOSED PREDOMINATLY OF CALCIUM OXIDE SELECTED FROM THE GROUP CONSISTING OF SLAKED LIME, QUICK LIME, CALCIUM CARBONATE AND GYPSUM, COMPONENTS (A) AND (B) BEING PRESENT IN SUCH AMOUNTS THAT THE MOL RATIO OF CALCIUM OXIDE TO SILICA IS IN THE RANGE OF 0.5 TO 2.0, AND (C) MINERAL FIBERS PRESENT IN AN AMOUNT OF 10-200 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE TOTAL AMOUNT OF COMPONENTS (A) AND (B), AND (D) WATER, AND
Claim 4
Dependent Claim 125 words
A HYDRAULIC INORGANIC BASE MATERIAL SHAPED FROM AN INORGANIC COMPOSITION CONSISTING ESSENTIALLY OF (A) A WATERINSOLUBLE INORGANIC SUBSTANCE COMPOSED PREDOMINANTLY OF SILICA SELECTED FROM THE GROUP CONSISTING OF SILEX, SILICEOUS SAND, APLITE, POTTERY STONE, SILICATE TERRA ABLA, PAIGEITE, DIATOMACEOUS EARTH, PERLITE AND FLY ASH, AND (B) AN INORGANIC SUBSTANCE COMPOSED PREDOMINATLY OF CALCIUM OXIDE SELECTED FROM THE GROUP CONSISTING OF SLAKED LIME, QUICK LIME, CALCIUM CARBONATE AND GYPSUM, COMPONENTS (A) AND (B) BEING PRESENT IN SUCH AMOUNTS THAT THE MOL RATIO OF CALCIUM OXIDE TO SILICA IS IN THE RANGE OF 0.5 TO 2.0, AND (C) MINERAL FIBERS PRESENT IN AN AMOUNT OF 10-200 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE TOTAL AMOUNT OF COMPONENTS (A) AND (B), AND (D) WATER, AND
Claim 5
Dependent Claim 176 words
A SURFACE MATERIAL INTEGRALLY BOUND TO AT LEAST ONE SURFACE OF SAID BASE MATERIAL, WHICH IS APPLIED TO SAID SURFACE AS AN AQUEOUS DISPERSION OF A HYDRAULIC INORGANIC COMPOSITION CONSISTING ESSENTIALLY OF A WAATER-INSOLUBLE INORGANIC MIXTURE COMPOSED OF(E) A WATER-INSOLUBLE INORGANIC SUBSTANCE COMPOSED PREDOMINANTLY OF SILICA SELECTED FROM THE GROUP CONSISTING OF SILEX, SILICEOUS SAND, A PLIE, POTTERY STONE, SILICATE TERRA ABLA, PAIGEITE, DIATOMACEOUS EARTH, PERLITE AND FLY ASH AND (F) AN INORGANIC SUBSTANCE COMPOSED PREDOMINANTLY OF CALCIUM OXIDE SELECTED FROM THE GROUP CONSISTING OF, SLAKED LIME, QUICK LIME, CALCIUM CARBONATE AND GYPSUM, COMPONENTS (E) AND (F) BEING PRESENT IN SUCH AMOUNTS THAT THE MOL RATIO OF CALCIUM OXIDE TO SILICA IS IN THE RANGE OF 0.8 TO 4.0 WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AWATERSOLUBLE SILICATE COMPOUND, A ZIRONIUM COMPOUND AND AN ALKALI METAL HYDROXIDE, SAID NON-COMBUSTIBLE SHAPED ARTICLE BEING HARDENED UNER HEATING AT A TEMPERATURE NOT LOWER THAN 50*C TO FORM AN INTEGRAL STRUCTURE, THE LATTER TEMPERATURE BEING THE LOWEST TEMPERATURE AT WHICH THE SHAPED ARTICLE CAN BE HARDENED.
Claim 6
Dependent Claim 176 words
A SURFACE MATERIAL INTEGRALLY BOUND TO AT LEAST ONE SURFACE OF SAID BASE MATERIAL, WHICH IS APPLIED TO SAID SURFACE AS AN AQUEOUS DISPERSION OF A HYDRAULIC INORGANIC COMPOSITION CONSISTING ESSENTIALLY OF A WAATER-INSOLUBLE INORGANIC MIXTURE COMPOSED OF(E) A WATER-INSOLUBLE INORGANIC SUBSTANCE COMPOSED PREDOMINANTLY OF SILICA SELECTED FROM THE GROUP CONSISTING OF SILEX, SILICEOUS SAND, A PLIE, POTTERY STONE, SILICATE TERRA ABLA, PAIGEITE, DIATOMACEOUS EARTH, PERLITE AND FLY ASH AND (F) AN INORGANIC SUBSTANCE COMPOSED PREDOMINANTLY OF CALCIUM OXIDE SELECTED FROM THE GROUP CONSISTING OF, SLAKED LIME, QUICK LIME, CALCIUM CARBONATE AND GYPSUM, COMPONENTS (E) AND (F) BEING PRESENT IN SUCH AMOUNTS THAT THE MOL RATIO OF CALCIUM OXIDE TO SILICA IS IN THE RANGE OF 0.8 TO 4.0 WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AWATERSOLUBLE SILICATE COMPOUND, A ZIRONIUM COMPOUND AND AN ALKALI METAL HYDROXIDE, SAID NON-COMBUSTIBLE SHAPED ARTICLE BEING HARDENED UNER HEATING AT A TEMPERATURE NOT LOWER THAN 50*C TO FORM AN INTEGRAL STRUCTURE, THE LATTER TEMPERATURE BEING THE LOWEST TEMPERATURE AT WHICH THE SHAPED ARTICLE CAN BE HARDENED.
Claim 7
Dependent Claim 38 words
The non-combustible shaped article of claim 1, in which the mineral fibers are selected from the group consisting of chrysotile asbestos, amosite asbestos, crocidolite asbestos, amphibole asbestos, tremolite asbestos, actinolite asbestos, rock wool, glass fiber, and slag wool.
Claim 8
Dependent Claim 177 words
a surface material integrally bound to at least one surface of said base material, which is applied to said surface as an aqueous dispersion of a hydraulic inorganic composition consisting essentially of a water-insoluble inorganic mixture composed of (e) a water-insoluble inorganic substance composed predominantly of silica selected from the group consisting of silex, siliceous sand, aplite, pottery stone, silicate terra abla, paigeite, diatomaceous earth, perlite and fly ash and (f) an inorganic substance composed predominantly of calcium oxide selected from the group consisting of, slaked lime, quick lime, calcium carbonate and gypsum, components (e) and (f) being present in such amounts that the mol ratio of calcium oxide to silica is in the range of 0.8 to 4.0 with at least one member selected from the group consisting of a water-soluble silicate compound, a zirconium compound and an alkali metal hydroxide; said non-combustible shaped article being hardened under heating at a temperature not lower than 50*C to form an integral structure, the latter temperature being the lowest temperature at which the shaped article can be hardened.
Claim 9
Dependent Claim 177 words
a surface material integrally bound to at least one surface of said base material, which is applied to said surface as an aqueous dispersion of a hydraulic inorganic composition consisting essentially of a water-insoluble inorganic mixture composed of (e) a water-insoluble inorganic substance composed predominantly of silica selected from the group consisting of silex, siliceous sand, aplite, pottery stone, silicate terra abla, paigeite, diatomaceous earth, perlite and fly ash and (f) an inorganic substance composed predominantly of calcium oxide selected from the group consisting of, slaked lime, quick lime, calcium carbonate and gypsum, components (e) and (f) being present in such amounts that the mol ratio of calcium oxide to silica is in the range of 0.8 to 4.0 with at least one member selected from the group consisting of a water-soluble silicate compound, a zirconium compound and an alkali metal hydroxide; said non-combustible shaped article being hardened under heating at a temperature not lower than 50*C to form an integral structure, the latter temperature being the lowest temperature at which the shaped article can be hardened.
Claim 10
Dependent Claim 16 words
The non-combustible shaped article of claim 1, in which the base material further comprises organic fibers.
Claim 11
Dependent Claim 38 words
The non-combustible shaped article of claim 3, in which the organic fibers are present in the amount of at most 20 parts by weight per 100 parts by weight of the hydraulic inorganic composition for the base material.
Claim 12
Dependent Claim 51 words
The non-combustible shaped article of claim 3, in which the organic fibers are selected from polypropylene fibers, polyethylene fibers, polyvinyl alcohol fibers, polyamide fibers, acrylic fibers, polydinitrile fibers, polyester fibers, polyvinyl chloride fibers, polyvinylidene chloride fibers, polynosic fibers, acetate fibers, urea fibers, rayon staple fibers, cotton, silk, flax and animal fibers.
Claim 13
Dependent Claim 37 words
The non-combustible shaped article of claim 1, in which the surface material further comprises at most 20 parts by weight of inorganic pigment per 100 parts by weight of the hydraulic inorganic composition composing the surface material.
Claim 14
Dependent Claim 34 words
The non-combustible shaped article of claim 6, in which the inorganic pigment is selected from the group consisting of red iron oxide, chrome yellow, prussian blue, ultramarine, iron black, molybdenum red, and zinc chromate.
Claim 15
Dependent Claim 23 words
THE NON-COMBUSTIBLE SHAPED ARTICLE OF CLAIM 1, WHICH FURHER HAS AN AORGANIC OR IANORGANIC PAINT LAYER FORMED ON THE SUFACE OFTHE SURFACE MATERIAL.
Claim 16
Dependent Claim 27 words
The non-combustible shaped article of claim 8, in which the organic paint is selected from the group consisting of an acrylic paint, and a vinyl acetate paint.
Claim 17
Dependent Claim 16 words
The non-combustible article of claim 8, in which the inorganic paint is a water glass paint.
Claim 18
Dependent Claim 47 words
The non-combustible shaped article of claim 1 in which the surface material is composed of a mixture of components (e), (f) and a water-soluble silicate compound selected from the group consisting of sodium orthosilicate, sodium metasilicate, sodium sesquisilicate, sodium disilicate, potassium metasilicate, potassium disilicate, and potassium tetrasilicate.
Claim 19
Dependent Claim 51 words
The non-combustible shaped article of claim 1 in which the surface material is composed of a mixture of components (e), (f), and a zirconium compound capable of suppLying zirconium oxide under hardening conditions and which is selected from the group consisting of zirconium oxide, zirconium silicate, zirconium carbonate and zirconium hydroxide.
Claim 20
Dependent Claim 32 words
A non-combustible shaped article according to claim 1 wherein the inorganic substance composed predominantly of calcium oxide used in both the hydraulic inorganic base material and the surface material is slaked lime.
Claim 21
Dependent Claim 32 words
A non-combustible shaped article according to claim 1 wherein the inorganic substance composed predominantly of calcium oxide used in both the hydraulic inorganic base material and the surface material is quick lime.
Claim 22
Dependent Claim 32 words
A non-combustible shaped article according to claim 1 wherein the inorganic substance composed predominantly of calcium oxide used in both the hydraulic inorganic base material and the surface material is calcium carbonate.
Claim 23
Dependent Claim 31 words
A non-combustible shaped article according to claim 1 wherein the inorganic substance composed predominantly of calcium oxide used in both the hydraulic inorganic base material and the surface material is gypsum.
Claim 24
Dependent Claim 29 words
The non-combustible shaped article of claim 1, in which the alkali metal hydroxide is contained therein selected from the group consisting of potassium hydroxide, sodium hydroxide, and lithium hydroxide.

References Cited (Backward Citations)

US2549516A Cited
US2698251A Cited
US2946158A Cited
US2946695A Cited
US3501323A Cited
US3285757A Cited
US3488209A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-08-25 1979-02-24 1979-08-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-08-25 1983-02-24 1983-08-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-08-25 1987-02-24 1987-08-26 $7700.00 Window Closed / Lapsed

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