VN498A1 - - Google Patents

Info

Publication number: VN498A1
Authority: VN; Vietnam
Prior art keywords: solution; zones; heated; formaldehyde solution; pouring
Prior art date: 1994-12-09

Application number

VN127195A

Other languages

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.)

1994-12-09

Filing date

1995-07-08

Publication date

1998-05-25

1995-07-08 Application filed filed Critical

1998-05-25 Publication of VN498A1 publication Critical patent/VN498A1/vi

Links

WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 2
239000008098 formaldehyde solution Substances 0.000 abstract 2
239000003054 catalyst Substances 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1

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)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Health & Medical Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Saccharide Compounds (AREA)
Catalysts (AREA)
Phenolic Resins Or Amino Resins (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Cosmetics (AREA)

VN127195A 1994-12-09 1995-07-08 VN498A1 (ko)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
VN498A1 true VN498A1 (ko)	1998-05-25

Family

ID=8288212

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
VN127195A VN498A1 (ko)	1994-12-09	1995-07-08

Country Status (29)

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

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 (11)

* 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
US4277402A (en) *	1979-07-03	1981-07-07	Nasa	Synthesis of polyformals
US4550213A (en)	1984-06-29	1985-10-29	Celanese Corporation	Method of manufacture for paraformaldehyde prills
DD272576A3 (de) *	1987-01-30	1989-10-18	Leuna Werke Veb	Verfahren zur herstellung von koernigem paraformaldehyd
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

1994
- 1994-12-09 ES ES09402512A patent/ES2087041B1/es not_active Expired - Fee Related
1995
- 1995-07-03 DE DE69517138T patent/DE69517138T2/de not_active Expired - Fee Related
- 1995-07-03 AT AT95500095T patent/ATE193308T1/de not_active IP Right Cessation
- 1995-07-03 EP EP95500095A patent/EP0716104B1/en not_active Expired - Lifetime
- 1995-07-03 PT PT95500095T patent/PT716104E/pt unknown
- 1995-07-04 TH TH160295A patent/TH12621A/th unknown
- 1995-07-05 HU HU9502048A patent/HU214094B/hu not_active IP Right Cessation
- 1995-07-05 SG SG1995000805A patent/SG33401A1/en unknown
- 1995-07-06 NO NO952691A patent/NO307383B1/no unknown
- 1995-07-06 TW TW084106964A patent/TW285666B/zh active
- 1995-07-07 CA CA002153452A patent/CA2153452C/en not_active Expired - Fee Related
- 1995-07-07 UA UA95073192A patent/UA44697C2/uk unknown
- 1995-07-08 VN VN127195A patent/VN498A1/vi unknown
- 1995-07-10 US US08/499,759 patent/US5686554A/en not_active Expired - Fee Related
- 1995-07-10 NZ NZ272534A patent/NZ272534A/en unknown
- 1995-07-10 HR HRP9402512 patent/HRP950396B1/xx not_active IP Right Cessation
- 1995-07-12 AU AU24960/95A patent/AU695649B2/en not_active Ceased
- 1995-07-12 EE EE9500040A patent/EE03254B1/xx not_active IP Right Cessation
- 1995-07-14 MX MX9503084A patent/MX192468A/es not_active IP Right Cessation
- 1995-07-15 KR KR1019950020901A patent/KR100249275B1/ko not_active Expired - Fee Related
- 1995-07-19 JP JP7182422A patent/JP2796669B2/ja not_active Expired - Fee Related
- 1995-07-23 SA SA95160120A patent/SA95160120B1/ar unknown
- 1995-07-24 CN CN95108639A patent/CN1061641C/zh not_active Expired - Fee Related
- 1995-08-02 FI FI953683A patent/FI113780B/fi not_active IP Right Cessation
- 1995-08-08 RU RU95113270A patent/RU2148592C1/ru not_active IP Right Cessation
- 1995-08-14 YU YU54395A patent/YU48905B/sh unknown
- 1995-09-20 CZ CZ19952439A patent/CZ288105B6/cs not_active IP Right Cessation
- 1995-09-20 PL PL95310573A patent/PL179331B1/pl not_active IP Right Cessation
2000
- 2000-08-02 GR GR20000401780T patent/GR3034085T3/el not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA2153452C (en)	2006-08-29
NO952691D0 (no)	1995-07-06
AU2496095A (en)	1996-06-20
HRP950396A2 (en)	1997-10-31
DE69517138T2 (de)	2001-02-01
HU214094B (en)	1997-12-29
FI953683L (fi)	1996-06-10
UA44697C2 (uk)	2002-03-15
CZ243995A3 (en)	1996-06-12
MX192468B (ko)	2016-01-29
RU2148592C1 (ru)	2000-05-10
SG33401A1 (en)	1996-10-18
PL310573A1 (en)	1996-06-10
KR960022425A (ko)	1996-07-18
GR3034085T3 (en)	2000-11-30
CA2153452A1 (en)	1996-06-10
NZ272534A (en)	1996-03-26
DE69517138D1 (de)	2000-06-29
SA95160120B1 (ar)	2005-05-16
PT716104E (pt)	2000-11-30
NO307383B1 (no)	2000-03-27
CN1061641C (zh)	2001-02-07
FI113780B (fi)	2004-06-15
PL179331B1 (pl)	2000-08-31
ATE193308T1 (de)	2000-06-15
ES2087041A1 (es)	1996-07-01
EE03254B1 (et)	2000-02-15
KR100249275B1 (ko)	2000-03-15
JPH08165262A (ja)	1996-06-25
JP2796669B2 (ja)	1998-09-10
NO952691L (no)	1996-06-10
US5686554A (en)	1997-11-11
HU9502048D0 (en)	1995-09-28
CN1124242A (zh)	1996-06-12
YU48905B (sh)	2002-10-18
TW285666B (ko)	1996-09-11
EP0716104A1 (en)	1996-06-12
YU54395A (sh)	1997-12-05
HUT75584A (en)	1997-05-28
TH12621A (th)	1996-09-10
EP0716104B1 (en)	2000-05-24
FI953683A0 (fi)	1995-08-02
AU695649B2 (en)	1998-08-20
ES2087041B1 (es)	1997-03-16
MX192468A (es)	1999-06-24
CZ288105B6 (cs)	2001-04-11
HRP950396B1 (en)	2001-02-28

Publication	Publication Date	Title
EP0559808A4 (en)	1993-10-27	A catalyst structure having integral heat exchange (ii)
HU911970D0 (en)	1991-12-30	Process for the production of 4-acetoxystrene derivatives
DE3665186D1 (en)	1989-09-28	Process for the fabrication of aromatic polyamides
FR2739098B1 (fr)	1997-11-28	Procede d'acylation d'un compose aromatique
TW285666B (ko)	1996-09-11
EP0319111A3 (en)	1990-11-07	Process for the preparation of phenyl ureas
AU616810B2 (en)	1991-11-07	Mercaptoalkyl acetoacetates, use thereof and a process for the preparation of mercaptoalkyl acetoacetates
DE59206398D1 (de)	1996-07-04	Verfahren zur Herstellung von 1-Carbamoyl-pyrazolen
MY118480A (en)	2004-11-30	A process for the manufacture of paraformaldehyde
GB8619536D0 (en)	1986-09-24	Bimetallic catalyst
ES2018481B3 (es)	1991-04-16	Recipientes muy pequeños para refinar acero.
AU582025B2 (en)	1989-03-09	Process of carrying out high-temperature reactions
WO1997016388A3 (en)	1997-09-12	Process for the production of ceramic materials
GEP19970971B (en)	1997-10-02	A Process for Manufacture of Paraformaldehyde