EE03254B1 - Paraformaldehüüdi tootmise protsess - Google Patents

Paraformaldehüüdi tootmise protsess

Info

Publication number: EE03254B1
Authority: EE; Estonia
Prior art keywords: solution; zones; heated; paraformaldehyde; production
Prior art date: 1994-12-09

Application number

EE9500040A

Other languages

English (en)

Estonian (et)

Inventor

Eek-Vancells Luis

Original Assignee

Patentes Y Novedades, S.L.

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

1995-07-12

Publication date

2000-02-15

1995-07-12 Application filed by Patentes Y Novedades, S.L. filed Critical Patentes Y Novedades, S.L.

2000-02-15 Publication of EE03254B1 publication Critical patent/EE03254B1/xx

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)
Cosmetics (AREA)
Crystals, And After-Treatments Of Crystals (AREA)

EE9500040A 1994-12-09 1995-07-12 Paraformaldehüüdi tootmise protsess EE03254B1 (et)

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
EE03254B1 true EE03254B1 (et)	2000-02-15

Family

ID=8288212

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EE9500040A EE03254B1 (et)	1994-12-09	1995-07-12	Paraformaldehüüdi tootmise protsess

Country Status (29)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69703832T2 (de) *	1996-03-20	2001-04-26	Celanese International Corp., Dallas	Verwendiung eines amins zur verbesserung von paraformaldehyd

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 PT PT95500095T patent/PT716104E/pt unknown
- 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
- 1995-07-04 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 TW TW084106964A patent/TW285666B/zh active
- 1995-07-06 NO NO952691A patent/NO307383B1/no unknown
- 1995-07-07 UA UA95073192A patent/UA44697C2/uk unknown
- 1995-07-07 CA CA002153452A patent/CA2153452C/en not_active Expired - Fee Related
- 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 HR HRP9402512 patent/HRP950396B1/xx not_active IP Right Cessation
- 1995-07-10 NZ NZ272534A patent/NZ272534A/en unknown
- 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 PL PL95310573A patent/PL179331B1/pl not_active IP Right Cessation
- 1995-09-20 CZ CZ19952439A patent/CZ288105B6/cs 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
EP0716104A1 (en)	1996-06-12
UA44697C2 (uk)	2002-03-15
CZ288105B6 (cs)	2001-04-11
CZ243995A3 (en)	1996-06-12
GR3034085T3 (en)	2000-11-30
KR100249275B1 (ko)	2000-03-15
DE69517138T2 (de)	2001-02-01
PL179331B1 (pl)	2000-08-31
HUT75584A (en)	1997-05-28
YU54395A (sh)	1997-12-05
JPH08165262A (ja)	1996-06-25
JP2796669B2 (ja)	1998-09-10
FI113780B (fi)	2004-06-15
ES2087041A1 (es)	1996-07-01
TW285666B (th)	1996-09-11
HRP950396A2 (en)	1997-10-31
MX192468A (es)	1999-06-24
DE69517138D1 (de)	2000-06-29
RU2148592C1 (ru)	2000-05-10
AU695649B2 (en)	1998-08-20
PT716104E (pt)	2000-11-30
SA95160120B1 (ar)	2005-05-16
KR960022425A (ko)	1996-07-18
ATE193308T1 (de)	2000-06-15
SG33401A1 (en)	1996-10-18
NO952691L (no)	1996-06-10
FI953683A0 (fi)	1995-08-02
MX192468B (th)	2016-01-29
HU214094B (en)	1997-12-29
EP0716104B1 (en)	2000-05-24
NZ272534A (en)	1996-03-26
ES2087041B1 (es)	1997-03-16
YU48905B (sh)	2002-10-18
CN1124242A (zh)	1996-06-12
TH12621A (th)	1996-09-10
CA2153452A1 (en)	1996-06-10
AU2496095A (en)	1996-06-20
PL310573A1 (en)	1996-06-10
CN1061641C (zh)	2001-02-07
VN498A1 (th)	1998-05-25
NO952691D0 (no)	1995-07-06
US5686554A (en)	1997-11-11
HU9502048D0 (en)	1995-09-28
FI953683L (fi)	1996-06-10
NO307383B1 (no)	2000-03-27
HRP950396B1 (en)	2001-02-28

Publication	Publication Date	Title
BR9302808A (pt)	1994-03-01	Processo para preparar polimeros de polissuccinimida
DK0465147T3 (da)	1995-08-07	Fremgangsmåde til fremstilling af 4-acetoxystyren
EP0213286A3 (en)	1987-10-07	Aromatic polyamides and process for their fabrication
EE03254B1 (et)	2000-02-15	Paraformaldehüüdi tootmise protsess
FR2739098B1 (fr)	1997-11-28	Procede d'acylation d'un compose aromatique
DE59206398D1 (de)	1996-07-04	Verfahren zur Herstellung von 1-Carbamoyl-pyrazolen
MY118480A (en)	2004-11-30	A process for the manufacture of paraformaldehyde
MX165352B (es)	1992-11-04	Acetoacetatos de mercaptoalquilo
DE69417326D1 (de)	1999-04-29	Verfahren zur Herstellung von Chromanen
SE8201021L (sv)	1983-08-19	Forfarande for framstellning av dextran
DE59809481D1 (de)	2003-10-09	Verfahren zur Herstellung von Aminocyanacetamid
ATE40923T1 (de)	1989-03-15	Verfahren zur durchfuehrung von hochtemperaturreaktionen.
FI87767C (fi)	1993-02-25	Foerfarande foer framstaellning av di-n-propylacetonitril
ATE107919T1 (de)	1994-07-15	Verfahren zur herstellung von epsilon- caprolactam.
TH20458A (th)	1996-09-10	"กระบวนการสำหรับผลิตพาราฟอร์มาลดีฮายด์"
GEP19970971B (en)	1997-10-02	A Process for Manufacture of Paraformaldehyde

Legal Events

Date	Code	Title	Description
2003-02-17	KB4A	Valid patent at the end of a year	Effective date: 20021231
2004-02-16	KB4A	Valid patent at the end of a year	Effective date: 20031231
2005-02-15	KB4A	Valid patent at the end of a year	Effective date: 20041231
2006-02-15	KB4A	Valid patent at the end of a year	Effective date: 20051231
2007-02-15	KB4A	Valid patent at the end of a year	Effective date: 20061231
2008-02-15	KB4A	Valid patent at the end of a year	Effective date: 20071231
2008-04-15	MM4A	Lapsed by not paying the annual fees	Effective date: 20070712