FI953683A0 - Förfarande för framställning av paraformaldehyd - Google Patents

Förfarande för framställning av paraformaldehyd

Info

Publication number
FI953683A0
FI953683A0 FI953683A FI953683A FI953683A0 FI 953683 A0 FI953683 A0 FI 953683A0 FI 953683 A FI953683 A FI 953683A FI 953683 A FI953683 A FI 953683A FI 953683 A0 FI953683 A0 FI 953683A0
Authority
FI
Finland
Prior art keywords
solution
zones
heated
paraformaldehyde
preparation
Prior art date
Application number
FI953683A
Other languages
English (en)
Finnish (fi)
Other versions
FI113780B (sv
FI953683A (sv
Inventor
Luis Eek-Vancells
Original Assignee
Patentes Novedades Sa
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 Patentes Novedades Sa filed Critical Patentes Novedades Sa
Publication of FI953683A0 publication Critical patent/FI953683A0/sv
Publication of FI953683A publication Critical patent/FI953683A/sv
Application granted granted Critical
Publication of FI113780B publication Critical patent/FI113780B/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/04—Formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08—Polymerisation of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Cosmetics (AREA)
FI953683A 1994-12-09 1995-08-02 Förfarande för framställning av paraformaldehyd FI113780B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES09402512A ES2087041B1 (es) 1994-12-09 1994-12-09 Procedimiento para la preparacion de paraformaldehido.
ES9402512 1994-12-09

Publications (3)

Publication Number Publication Date
FI953683A0 true FI953683A0 (sv) 1995-08-02
FI953683A FI953683A (sv) 1996-06-10
FI113780B FI113780B (sv) 2004-06-15

Family

ID=8288212

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953683A FI113780B (sv) 1994-12-09 1995-08-02 Förfarande för framställning av paraformaldehyd

Country Status (29)

Country Link
US (1) US5686554A (sv)
EP (1) EP0716104B1 (sv)
JP (1) JP2796669B2 (sv)
KR (1) KR100249275B1 (sv)
CN (1) CN1061641C (sv)
AT (1) ATE193308T1 (sv)
AU (1) AU695649B2 (sv)
CA (1) CA2153452C (sv)
CZ (1) CZ288105B6 (sv)
DE (1) DE69517138T2 (sv)
EE (1) EE03254B1 (sv)
ES (1) ES2087041B1 (sv)
FI (1) FI113780B (sv)
GR (1) GR3034085T3 (sv)
HR (1) HRP950396B1 (sv)
HU (1) HU214094B (sv)
MX (1) MX192468A (sv)
NO (1) NO307383B1 (sv)
NZ (1) NZ272534A (sv)
PL (1) PL179331B1 (sv)
PT (1) PT716104E (sv)
RU (1) RU2148592C1 (sv)
SA (1) SA95160120B1 (sv)
SG (1) SG33401A1 (sv)
TH (1) TH12621A (sv)
TW (1) TW285666B (sv)
UA (1) UA44697C2 (sv)
VN (1) VN498A1 (sv)
YU (1) YU48905B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5898087A (en) * 1996-03-20 1999-04-27 Celanese International Corporation Addition of amine to improve parafomaldehyde

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001235A (en) * 1958-07-26 1961-09-26 Sumitomo Chemical Co Method for the manufacture of a formaldehyde polymer in a crape-chip form
US2992277A (en) 1959-04-28 1961-07-11 Du Pont Paraformaldehyde manufacture
ES341724A1 (es) * 1967-06-13 1968-10-01 Ordieres Perfeccionamientos introducidos en los procedimientos de polimerizacion de soluciones de formaldehido.
FR1547172A (fr) * 1967-07-17 1968-11-22 Sir Soc Italiana Resine Spa Procédé de production du paraformaldéhyde
FR2067169A1 (en) * 1969-11-19 1971-08-20 Charbonnages Ste Chimique Paraformaldehyde from aq formaldehyde
US4550213A (en) 1984-06-29 1985-10-29 Celanese Corporation Method of manufacture for paraformaldehyde prills
DE3925966A1 (de) 1989-08-05 1991-02-07 Leuna Werke Veb Lp 86 148 - verfahren zur herstellung von koernigem paraformaldehyd
CN1029351C (zh) 1989-09-16 1995-07-19 陈方 高甲醛含量的多聚甲醛的制造方法
US5302277A (en) * 1990-11-28 1994-04-12 Mitsui Toatsu Chemicals, Incorporated Process for producing paraformaldehyde of high formaldehyde content

Also Published As

Publication number Publication date
HU9502048D0 (en) 1995-09-28
NO307383B1 (no) 2000-03-27
ATE193308T1 (de) 2000-06-15
HU214094B (en) 1997-12-29
ES2087041B1 (es) 1997-03-16
YU48905B (sh) 2002-10-18
US5686554A (en) 1997-11-11
TW285666B (sv) 1996-09-11
AU2496095A (en) 1996-06-20
CZ243995A3 (en) 1996-06-12
NO952691D0 (no) 1995-07-06
PL179331B1 (pl) 2000-08-31
PT716104E (pt) 2000-11-30
FI113780B (sv) 2004-06-15
EP0716104A1 (en) 1996-06-12
TH12621A (th) 1996-09-10
MX192468A (es) 1999-06-24
NZ272534A (en) 1996-03-26
CA2153452A1 (en) 1996-06-10
JPH08165262A (ja) 1996-06-25
DE69517138D1 (de) 2000-06-29
CN1061641C (zh) 2001-02-07
SA95160120B1 (ar) 2005-05-16
KR960022425A (ko) 1996-07-18
RU2148592C1 (ru) 2000-05-10
YU54395A (sh) 1997-12-05
CZ288105B6 (cs) 2001-04-11
ES2087041A1 (es) 1996-07-01
NO952691L (no) 1996-06-10
MX192468B (sv) 2016-01-29
HRP950396A2 (en) 1997-10-31
HUT75584A (en) 1997-05-28
SG33401A1 (en) 1996-10-18
FI953683A (sv) 1996-06-10
DE69517138T2 (de) 2001-02-01
HRP950396B1 (en) 2001-02-28
CN1124242A (zh) 1996-06-12
EP0716104B1 (en) 2000-05-24
PL310573A1 (en) 1996-06-10
JP2796669B2 (ja) 1998-09-10
KR100249275B1 (ko) 2000-03-15
UA44697C2 (uk) 2002-03-15
GR3034085T3 (en) 2000-11-30
CA2153452C (en) 2006-08-29
AU695649B2 (en) 1998-08-20
VN498A1 (sv) 1998-05-25
EE03254B1 (et) 2000-02-15

Similar Documents

Publication Publication Date Title
MA21184A1 (fr) Procede de preparation de l'errantiomere dextrogyre de l'alpha-(tetrahydro-4,5,6,7thiero(3,2-c)pyridyl-5)(chloro-2 phenyl)-acetate de methyle.
EP0578451A3 (en) Polysuccinimide polymers and process for preparing polysuccinimide polymers
OA08383A (fr) Procédé de préparation d'urée.
OA08384A (fr) Procédé de préparation de l'urée.
FI953683A0 (sv) Förfarande för framställning av paraformaldehyd
FR2739098B1 (fr) Procede d'acylation d'un compose aromatique
EP0140099A3 (en) Process for the production of heat-resistant, mouldable acetal polymer
DE59206398D1 (de) Verfahren zur Herstellung von 1-Carbamoyl-pyrazolen
MY118480A (en) A process for the manufacture of paraformaldehyde
MX165352B (es) Acetoacetatos de mercaptoalquilo
SE8201021L (sv) Forfarande for framstellning av dextran
ATE40923T1 (de) Verfahren zur durchfuehrung von hochtemperaturreaktionen.
TH12621B (th) "กระบวนการสำหรับผลิตพาราฟอร์มาลดีฮายด์"
GEP19970971B (en) A Process for Manufacture of Paraformaldehyde

Legal Events

Date Code Title Description
MA Patent expired