PT8783U - Jogo de escantilhoes pre-escolar com caixa e painel de desenho - Google Patents

Jogo de escantilhoes pre-escolar com caixa e painel de desenho

Info

Publication number
PT8783U
PT8783U PT8783U PT878393U PT8783U PT 8783 U PT8783 U PT 8783U PT 8783 U PT8783 U PT 8783U PT 878393 U PT878393 U PT 878393U PT 8783 U PT8783 U PT 8783U
Authority
PT
Portugal
Prior art keywords
scientist
school
box
drawing panel
panel
Prior art date
Application number
PT8783U
Other languages
English (en)
Other versions
PT8783T (pt
Inventor
Nancy D Slayton
Original Assignee
Dart Ind Inc
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 Dart Ind Inc filed Critical Dart Ind Inc
Publication of PT8783T publication Critical patent/PT8783T/pt
Publication of PT8783U publication Critical patent/PT8783U/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Toys (AREA)
  • Catalysts (AREA)
PT8783U 1990-07-31 1993-05-20 Jogo de escantilhoes pre-escolar com caixa e painel de desenho PT8783U (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/560,529 US5030372A (en) 1990-07-31 1990-07-31 Catalytic equilibration to improve the relative yield of selected halocarbons

Publications (2)

Publication Number Publication Date
PT8783T PT8783T (pt) 1993-12-31
PT8783U true PT8783U (pt) 1996-05-31

Family

ID=24238177

Family Applications (2)

Application Number Title Priority Date Filing Date
PT98492A PT98492A (pt) 1990-07-31 1991-07-30 Jogo de stencils pre-escolar
PT8783U PT8783U (pt) 1990-07-31 1993-05-20 Jogo de escantilhoes pre-escolar com caixa e painel de desenho

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PT98492A PT98492A (pt) 1990-07-31 1991-07-30 Jogo de stencils pre-escolar

Country Status (11)

Country Link
US (2) US5030372A (pt)
EP (1) EP0551272A1 (pt)
JP (1) JPH05508149A (pt)
CN (1) CN1058581A (pt)
AU (1) AU7677791A (pt)
BR (1) BR9106705A (pt)
CA (1) CA2087728A1 (pt)
CS (1) CS122691A3 (pt)
PT (2) PT98492A (pt)
WO (1) WO1992002477A1 (pt)
ZA (1) ZA913275B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06501921A (ja) 1990-07-31 1994-03-03 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 選択されたハロカーボンの触媒平衡化
IT1251951B (it) * 1991-10-18 1995-05-27 Ausimont Spa Procedimento per purificare 1,1,1-trifluoro-,2,2 dicloroetano dall`isomero 1,1,2-trifluoro-1,2-dicloroetano.
US5847242A (en) * 1995-05-19 1998-12-08 E. I. Du Pont De Nemours And Company Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use
FR2758556B1 (fr) * 1997-01-17 1999-02-19 Atochem Elf Sa Isomerisation d'hydrofluorocarbures
CN114853563B (zh) * 2022-06-27 2024-06-28 山东华安新材料有限公司 一种2-氯-1,1-二氟乙烷的制备方法

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA703294A (en) * 1965-02-02 The National Smelting Company Limited Dehalogenation of organic compounds
CA693851A (en) * 1964-09-08 Hauptschein Murray Catalyst composition and its use in the production of halogenated organic compounds
US2494064A (en) * 1947-03-31 1950-01-10 Minnesota Mining & Mfg Thermal hydrogenolysis of fluorocarbons to produce fluorocarbon hydrides
US2478201A (en) * 1947-04-02 1949-08-09 Allied Chem & Dye Corp Disproportionation of fluoro-halogeno derivatives of methane in presence of aluminumfluoride
US2598411A (en) * 1948-11-23 1952-05-27 Atomic Energy Commission Rearrangement of saturated halocarbons
DE1039503B (de) * 1953-05-18 1958-09-25 Bayer Ag Verfahren zur intramolekularen Umlagerung fluorsubstituierter Halogenkohlenwasserstoffe
NL98595C (pt) * 1957-07-18
US2920112A (en) * 1958-09-03 1960-01-05 Dow Chemical Co Synthesis of 2-chloro-1, 1, 1, 2-tetrafluoroethane
NL263002A (pt) * 1960-03-30 1900-01-01
FR1453510A (fr) * 1965-08-13 1966-06-03 Electro Chimie Soc D Purification du dichlorotétrafluoroéthane
DK138673B (da) * 1968-10-10 1978-10-16 Montedison Spa Katalysator til fremstilling af chlorfluorerede ethaner.
DE2245372A1 (de) * 1972-09-15 1974-03-21 Biocontrol Arzneimittel Gmbh Verfahren zur herstellung von monotopischen di- und trifluorpolyhalogenaethanen
JPS53121710A (en) * 1977-03-30 1978-10-24 Daikin Ind Ltd Preparation of isomerized chlorofluorohydrocarbon containing hydrogne
GB1578933A (en) * 1977-05-24 1980-11-12 Ici Ltd Manufacture of halogenated hydrocarbons
US4192822A (en) * 1977-10-20 1980-03-11 Allied Chemical Corporation Process for producing halogenated hydrocarbons
US4155941A (en) * 1977-11-28 1979-05-22 Allied Chemical Corporation Dechlorination of haloethanes using ethylene
IT1139269B (it) * 1981-10-21 1986-09-24 Montedison Spa Processo per la preparazione di 1,1-dialo-1,2,2,2-tetrafluoroetani
GB8415201D0 (en) * 1984-06-14 1984-07-18 Ici Plc Chemical process
JPS6127375A (ja) * 1984-07-18 1986-02-06 Dengiyoushiya Kikai Seisakusho:Kk ボ−ルバルブ
US4766260A (en) * 1987-07-07 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
JPH0193549A (ja) * 1987-10-02 1989-04-12 Daikin Ind Ltd １，１，１，２−テトラフルオロエタンの製造方法
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
JPH0788326B2 (ja) * 1987-11-26 1995-09-27 旭硝子株式会社 １，１−ジクロロ−１，２，２，２−テトラフルオロエタンの製造方法
JPH01258630A (ja) * 1988-04-08 1989-10-16 Asahi Glass Co Ltd 水素含有クロロフルオロ炭化水素の異性化方法
US4873381A (en) * 1988-05-20 1989-10-10 E. I. Du Pont De Nemours And Company Hydrodehalogenation of CF3 CHClF in the presence of supported Pd
DE68912657T2 (de) * 1988-06-21 1994-09-01 Asahi Glass Co Ltd Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan.
JPH0240332A (ja) * 1988-07-29 1990-02-09 Asahi Glass Co Ltd 水素含良クロロフルオロ炭化水素の異性化法
GB8824571D0 (en) * 1988-10-20 1988-11-23 Ici Plc Chemical process
JP2638146B2 (ja) * 1988-10-21 1997-08-06 旭硝子株式会社 水素含有フルオロ炭化水素の異性化法
JP2638145B2 (ja) * 1988-10-21 1997-08-06 旭硝子株式会社 含水素クロロフルオロ炭化水素の異性化方法
GB8828544D0 (en) * 1988-12-07 1989-01-11 Ici Plc Chemical process
US4902838A (en) * 1988-12-28 1990-02-20 E. I. Du Pont De Nemours And Company Isomerization of saturated fluorohydrocarbons
US4935558A (en) * 1989-01-25 1990-06-19 E. I. Du Pont De Nemours And Company Reductive dechlorination of 1,1,1,2-tetrafluoro-2-chloroethane
US5068473A (en) * 1989-02-03 1991-11-26 E. I. Du Pont De Nemours And Company Hydrogenolysis/dehydrohalogenation process
WO1990008748A1 (en) * 1989-02-03 1990-08-09 E.I. Du Pont De Nemours And Company Improved hydrogenolysis/dehydrohalogenation process
US4925993A (en) * 1989-06-14 1990-05-15 Dixie Chemical Company Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trichloride catalyst and products resulting therefrom

Also Published As

Publication number Publication date
CN1058581A (zh) 1992-02-12
BR9106705A (pt) 1993-06-29
EP0551272A1 (en) 1993-07-21
ZA913275B (en) 1992-12-30
US5030372A (en) 1991-07-09
PT98492A (pt) 1993-09-30
CS122691A3 (en) 1992-04-15
WO1992002477A1 (en) 1992-02-20
CA2087728A1 (en) 1992-02-01
AU7677791A (en) 1992-03-02
JPH05508149A (ja) 1993-11-18
US5406009A (en) 1995-04-11
PT8783T (pt) 1993-12-31

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Legal Events

Date Code Title Description
BB1K Laying open of utility model application

Effective date: 19930712

FG3K Utility model granted, date of granting

Effective date: 19960226

MM3K Annulment or lapse (utility model)

Effective date: 20000831