BR7703695A - Processo para preparacao de um material em folha nao frangivel,material assim obtido,processo para separar uma chapa assim obtida - Google Patents

Processo para preparacao de um material em folha nao frangivel,material assim obtido,processo para separar uma chapa assim obtida

Info

Publication number
BR7703695A
BR7703695A BR7703695A BR7703695A BR7703695A BR 7703695 A BR7703695 A BR 7703695A BR 7703695 A BR7703695 A BR 7703695A BR 7703695 A BR7703695 A BR 7703695A BR 7703695 A BR7703695 A BR 7703695A
Authority
BR
Brazil
Prior art keywords
franchible
preparation
separate
plate
sheet material
Prior art date
Application number
BR7703695A
Other languages
English (en)
Inventor
A Degens
Original Assignee
A Degens
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A Degens filed Critical A Degens
Publication of BR7703695A publication Critical patent/BR7703695A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/08—Impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31859—Next to an aldehyde or ketone condensation product
    • Y10T428/31862—Melamine-aldehyde
    • Y10T428/31866—Impregnated or coated cellulosic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • Y10T428/31906—Ester, halide or nitrile of addition polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31942—Of aldehyde or ketone condensation product
    • Y10T428/31949—Next to cellulosic
    • Y10T428/31964—Paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31942—Of aldehyde or ketone condensation product
    • Y10T428/31949—Next to cellulosic
    • Y10T428/31964—Paper
    • Y10T428/31967—Phenoplast
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • Y10T428/31982—Wood or paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31989—Of wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2041—Two or more non-extruded coatings or impregnations
    • Y10T442/2049—Each major face of the fabric has at least one coating or impregnation
    • Y10T442/2057—At least two coatings or impregnations of different chemical composition
    • Y10T442/2066—Different coatings or impregnations on opposite faces of the fabric

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
BR7703695A 1976-06-07 1977-06-07 Processo para preparacao de um material em folha nao frangivel,material assim obtido,processo para separar uma chapa assim obtida BR7703695A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/693,198 US4083743A (en) 1976-06-07 1976-06-07 Composition board with improved polymeric skin

Publications (1)

Publication Number Publication Date
BR7703695A true BR7703695A (pt) 1978-02-21

Family

ID=24783716

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7703695A BR7703695A (pt) 1976-06-07 1977-06-07 Processo para preparacao de um material em folha nao frangivel,material assim obtido,processo para separar uma chapa assim obtida

Country Status (2)

Country Link
US (2) US4083743A (pt)
BR (1) BR7703695A (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083744A (en) * 1976-06-07 1978-04-11 Alfredo Degens Method of preparing composition board with improved polymeric skin
US4083743A (en) * 1976-06-07 1978-04-11 Alfredo Degens Composition board with improved polymeric skin
DE2917170A1 (de) * 1978-05-03 1979-11-15 Oesterr Hiag Werke Ag Verfahren zur herstellung eines melaminharzbeschichteten papiers
US4404252A (en) * 1981-09-16 1983-09-13 Macmillan Bloedel Limited Surface stabilized waferboard
US4478415A (en) * 1982-07-13 1984-10-23 Harmeson Manufacturing Co., Inc. Encapsulated basketball backboard
US4786547A (en) * 1987-04-09 1988-11-22 Domtar Inc. Exterior insulating sheathing
US5116446A (en) * 1988-05-18 1992-05-26 Contact Lumber Company Method of making a paper overlaid structure
US5134023A (en) * 1990-07-05 1992-07-28 Forintek Canada Corp. Process for making stable fiberboard from used paper and fiberboard made by such process
US5275862A (en) * 1991-02-14 1994-01-04 Axis, Inc. Multi-ply panel board with shaped edge
WO1993018917A1 (de) * 1992-03-24 1993-09-30 Ulrich Steinemann Ag Maschinenfabrik Verfahren und vorrichtung sowie anlage zur herstellung von laminaten
CA2149910A1 (en) * 1992-11-24 1994-06-09 Francisco Munoz-Madrid Film composite
EP0703857A4 (en) * 1993-05-24 1997-11-19 North American Container Corp STRUCTURAL ELEMENTS, ARTICLES MADE THEREFROM AND METHOD
US5520982A (en) * 1993-05-24 1996-05-28 North American Container Corporation Structural member
ZA945883B (en) * 1993-08-13 1995-03-16 Plascon Tech Composite board
US6183824B1 (en) 1995-06-07 2001-02-06 Havco Wood Products, Inc. Composite wood flooring
US5919575A (en) * 1997-03-04 1999-07-06 Rock-Tenn Company Plastic laminated structural board and method for making same
US6290202B1 (en) 1997-11-20 2001-09-18 Kewaunee Scientific Corporation Apparatus for molding thin resin sheets
US6610358B1 (en) * 1999-03-12 2003-08-26 Premark Rwp Holdings, Inc. System and method for two sided sheet treating
US6588099B2 (en) * 2001-01-22 2003-07-08 Sankyo Kasei Kabushiki Kaisha Process for manufacturing molded circuit board
US20060062955A1 (en) 2003-08-14 2006-03-23 Wen-Feng Liu Self-adhesive laminate and method of making it
US7972707B2 (en) * 2003-09-04 2011-07-05 Havco Wood Products, LLC. Trailer flooring with hotmelt coating
US20060179733A1 (en) * 2005-02-11 2006-08-17 Havco Wood Products, L.L.C. Durable wood-plastic composite flooring for trailers
US20070193179A1 (en) * 2006-01-27 2007-08-23 Prolam, Societe En Commandite Wooden laminated floor product to improve strength, water protection and fatigue resistance
CA2605215C (en) * 2006-10-02 2014-12-02 Prolam, Societe En Commandite Utilization of coloration to improve the detection of "hit or miss" defects when using scanner equipment and an automated saw to remove defects in wood pieces
NZ571716A (en) * 2008-10-01 2010-02-26 Corcel Ip Ltd Forming layered board by placing layers successively between two vertical pressure plates which hold layers
WO2011031223A1 (en) * 2009-09-11 2011-03-17 Design Force Ab Method for manufacturing a panel
US8480835B2 (en) 2010-09-03 2013-07-09 The Diller Corporation Apparatus and method to manufacture shaped counter top edges for custom counter tops
US9833982B2 (en) * 2014-06-23 2017-12-05 Jeffrey Martin High pressure decorative laminate and method for manufacturing the same
US11536026B2 (en) 2017-08-14 2022-12-27 Gcp Applied Technologies Inc. Integral weather barrier panels

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219447A (en) * 1931-07-15 1940-10-29 Union Carbide & Carbon Corp Process for making composite materials
US2118549A (en) * 1933-07-20 1938-05-24 Formica Insulation Company Laminated product and process of manufacture
US2343740A (en) * 1940-09-18 1944-03-07 Harbor Plywood Corp Fibrous sheet covered plywood
US2631960A (en) * 1951-03-21 1953-03-17 American Cyanamid Co Methods of surfacing wood and similar materials with copolymerizable mixtures
US2656296A (en) * 1951-06-05 1953-10-20 Paper Patents Co Process of manufacturing fibrous sheet covered plywood
US3067077A (en) * 1958-12-24 1962-12-04 American Cyanamid Co Decorative overlay sheets and articles containing same prepared from modified thermosetting melamine-formal-dehyde resinous compositions
US3284280A (en) * 1962-09-21 1966-11-08 Nat Starch Chem Corp Rapid setting polyvinyl acetate adhesives
GB1041379A (en) * 1962-11-24 1966-09-07 Domtar Ltd Decorative laminates
US3470134A (en) * 1965-10-20 1969-09-30 Allied Chem Preparation of melamine-formaldehyde resins and products thereof
US3620899A (en) * 1968-04-16 1971-11-16 Formica Corp Decorative laminate back coated with a polyvinyl acetate composition
US3701706A (en) * 1970-10-05 1972-10-31 Formica Corp Process for preparing a decorative laminate in which a thermoplastic film is used to absorb thermal shock shear stress
US3853686A (en) * 1972-12-19 1974-12-10 Gen Electric Polyvinyl acetate resin impregnated plastic laminate and process therefor
US4083743A (en) * 1976-06-07 1978-04-11 Alfredo Degens Composition board with improved polymeric skin
US4083744A (en) * 1976-06-07 1978-04-11 Alfredo Degens Method of preparing composition board with improved polymeric skin

Also Published As

Publication number Publication date
US4158712A (en) 1979-06-19
US4083743A (en) 1978-04-11

Similar Documents

Publication Publication Date Title
BR7703695A (pt) Processo para preparacao de um material em folha nao frangivel,material assim obtido,processo para separar uma chapa assim obtida
BR7800792A (pt) Processo para efetuar a etilacao do benzeno
BR7507221A (pt) Processo para a ligacao de folhas
BR7803729A (pt) Processo para formacao de uma folha tubular
BR7700714A (pt) Aparelho para formar uma folha fibrosa
BR8008153A (pt) Processo para produzir uma chapa de aco de duas fases
BR7900060A (pt) Processo para preparacao de uma folha,folha auto-suportavel
BR7604181A (pt) Processo para a preparacao de poliaminas
BR7708336A (pt) Processo para a producao do hipoclorito de magnesio bibasico
BR7702091A (pt) Processo para a preparacao de acilcianetos
BR7806690A (pt) Processo para a preparacao de para-alquilfenois
BR7902196A (pt) Processo para produzir uma chapa contendo um arranjo de aparas
BR7702089A (pt) Processo para a preparacao de acilcianetos
BR7807039A (pt) Processo para a preparacao de halogenovinil-gama-butirolactonas
BR7805685A (pt) Processo para a preparacao de p-benzoquinonodicetais
BR8007596A (pt) Processo para produzir um laminado
MX149542A (es) Mejoras a un procedimiento para la produccion de una hoja de papel
BR7608445A (pt) Processo para a preparacao de poliaminas
BR7805873A (pt) Processo para a preparacao de tetrahidrofurano-2-onas halogeneo-vinil-substituidas
BR7500406A (pt) Processo para a preparacao de 3-aminofenois por desidrogenacao de 3-aminociclohexenonas
BR7603700A (pt) Processo para processar produtos de folha
BR7702090A (pt) Processo para a preparacao de acilcianetos
BR7802604A (pt) Processo para a obtencao de folhas compositas
BR7802320A (pt) Processo para a preparacao de monocloropinacolinas por cloracao de pinacolinas
BR7803540A (pt) Aperfeicoamento em processo para a producao de acosilicio eletro-magnetico