DK150860C - Fremgangsmaade til fremstilling af polylactoner afledt af poly-alfa-hydroxyacrylsyre - Google Patents
Fremgangsmaade til fremstilling af polylactoner afledt af poly-alfa-hydroxyacrylsyreInfo
- Publication number
- DK150860C DK150860C DK390274A DK390274A DK150860C DK 150860 C DK150860 C DK 150860C DK 390274 A DK390274 A DK 390274A DK 390274 A DK390274 A DK 390274A DK 150860 C DK150860 C DK 150860C
- Authority
- DK
- Denmark
- Prior art keywords
- alfa
- poly
- preparing
- hydroxyacrylic acid
- polylactones
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
- C08F8/16—Lactonisation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU68060 | 1973-07-20 | ||
LU68060A LU68060A1 (da) | 1973-07-20 | 1973-07-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK390274A DK390274A (da) | 1975-03-17 |
DK150860B DK150860B (da) | 1987-07-06 |
DK150860C true DK150860C (da) | 1988-01-25 |
Family
ID=19727410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK390274A DK150860C (da) | 1973-07-20 | 1974-07-19 | Fremgangsmaade til fremstilling af polylactoner afledt af poly-alfa-hydroxyacrylsyre |
Country Status (20)
Country | Link |
---|---|
US (1) | US3984439A (da) |
JP (1) | JPS545839B2 (da) |
AT (1) | AT341783B (da) |
BE (1) | BE817679A (da) |
BR (1) | BR7405697D0 (da) |
CA (1) | CA1022947A (da) |
CH (2) | CH589108A5 (da) |
DE (1) | DE2432759A1 (da) |
DK (1) | DK150860C (da) |
ES (1) | ES427959A1 (da) |
FR (1) | FR2237914B1 (da) |
GB (2) | GB1425307A (da) |
IE (1) | IE39812B1 (da) |
IN (1) | IN142549B (da) |
IT (1) | IT1017656B (da) |
LU (1) | LU68060A1 (da) |
NL (1) | NL159679B (da) |
NO (1) | NO142628C (da) |
SE (1) | SE414181B (da) |
ZA (1) | ZA744104B (da) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107411A (en) * | 1973-07-18 | 1978-08-15 | Solvay & Cie. | Method of preparing salts of poly-alpha-hydroxyacrylic acid |
LU70411A1 (da) * | 1974-06-25 | 1976-04-13 | ||
US4343915A (en) * | 1981-08-12 | 1982-08-10 | Scm Corporation | Polyspirolactone polymers |
GB2219800B (en) * | 1984-10-18 | 1991-10-09 | Sandoz Ltd | Process for the production of polylactones of poly[-alpha-hydroxy-(acrylic and /or crotonic )acid] |
CH669952A5 (en) * | 1984-10-18 | 1989-04-28 | Sandoz Ag | Alpha chloro-acrylic or crotonic acid prodn. - by treating 2,3-di:chloropropionic or butyric acid with aq. base, de-hydro-chlorinating prod. and acidifying |
US4644038A (en) * | 1985-09-30 | 1987-02-17 | A. E. Staley Manufacturing Company | Unsaturated poly (alpha-hydroxy acid) copolymers |
US5241026A (en) * | 1986-07-03 | 1993-08-31 | Sandoz Ltd. | Polylactones of poly-α-hydroxyacrylic acid |
FR2628745B1 (fr) * | 1986-07-03 | 1992-12-31 | Sandoz Sa | Procede de preparation d'une polylactone |
DE3720806C2 (de) * | 1986-07-03 | 1997-08-21 | Clariant Finance Bvi Ltd | Verwendung eines Stabilisators in Peroxydbleichverfahren |
JPS6395206A (ja) * | 1986-10-13 | 1988-04-26 | Nippon Peroxide Co Ltd | 低含水率の湿潤ポリラクトンの製造方法 |
JPS63251410A (ja) * | 1987-04-09 | 1988-10-18 | Nippon Peroxide Co Ltd | ポリ−α−ヒドロキシアクリル酸に対応するポリラクトンの製造方法 |
US5013404A (en) * | 1989-11-15 | 1991-05-07 | The Dow Chemical Company | Process for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive |
US5145558A (en) * | 1989-11-15 | 1992-09-08 | The Dow Chemical Company | Composition for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive |
US5278256A (en) * | 1992-09-16 | 1994-01-11 | E. I. Du Pont De Nemours And Company | Rapidly degradable poly (hydroxyacid) compositions |
SG190611A1 (en) * | 2009-06-09 | 2013-06-28 | Cimas Ltd | Halogenated aliphatic carboxylic acids, oligomers and/or polymers thereof and their use in devitalizing external and internal neoplasms |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2338967A (en) * | 1941-10-29 | 1944-01-11 | Pittsburgh Plate Glass Co | Esters of alpha chloroacrylic acid |
DE2061584A1 (en) * | 1970-12-15 | 1972-07-06 | Henkel & Cie Gmbh | Water insol alpha-substd-polyacrylates - obtd by basic treatment of alpha, beta-dichloro and/or dibromo propionic acids (est |
DE2346500C2 (de) * | 1973-09-15 | 1982-10-14 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Poly-α-oxyacrylsäure |
-
1973
- 1973-07-20 LU LU68060A patent/LU68060A1/xx unknown
-
1974
- 1974-06-21 CA CA203,140A patent/CA1022947A/fr not_active Expired
- 1974-06-25 ZA ZA00744104A patent/ZA744104B/xx unknown
- 1974-06-28 IT IT24595/74A patent/IT1017656B/it active
- 1974-07-02 IN IN1470/CAL/74A patent/IN142549B/en unknown
- 1974-07-04 ES ES427959A patent/ES427959A1/es not_active Expired
- 1974-07-08 DE DE2432759A patent/DE2432759A1/de active Granted
- 1974-07-10 FR FR7424259A patent/FR2237914B1/fr not_active Expired
- 1974-07-11 BR BR5697/74A patent/BR7405697D0/pt unknown
- 1974-07-15 BE BE146580A patent/BE817679A/xx not_active IP Right Cessation
- 1974-07-15 NL NL7409558.A patent/NL159679B/xx not_active IP Right Cessation
- 1974-07-18 SE SE7409391A patent/SE414181B/xx not_active IP Right Cessation
- 1974-07-18 CH CH990374A patent/CH589108A5/xx not_active IP Right Cessation
- 1974-07-18 US US05/489,720 patent/US3984439A/en not_active Expired - Lifetime
- 1974-07-19 AT AT600574A patent/AT341783B/de active
- 1974-07-19 GB GB3208174A patent/GB1425307A/en not_active Expired
- 1974-07-19 JP JP8233474A patent/JPS545839B2/ja not_active Expired
- 1974-07-19 IE IE1539/74A patent/IE39812B1/xx unknown
- 1974-07-19 NO NO742645A patent/NO142628C/no unknown
- 1974-07-19 DK DK390274A patent/DK150860C/da not_active IP Right Cessation
-
1975
- 1975-03-20 CH CH357675A patent/CH603699A5/xx not_active IP Right Cessation
- 1975-04-29 GB GB1776275A patent/GB1450758A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
LU68060A1 (da) | 1975-04-11 |
BE817679A (fr) | 1975-01-15 |
ZA744104B (en) | 1975-07-30 |
US3984439A (en) | 1976-10-05 |
SE7409391L (sv) | 1975-01-21 |
NL7409558A (nl) | 1975-01-22 |
CA1022947A (fr) | 1977-12-20 |
ES427959A1 (es) | 1976-08-16 |
FR2237914A1 (da) | 1975-02-14 |
DK390274A (da) | 1975-03-17 |
ATA600574A (de) | 1977-06-15 |
DE2432759A1 (de) | 1975-02-06 |
CH603699A5 (da) | 1978-08-31 |
IE39812L (en) | 1975-01-20 |
JPS545839B2 (da) | 1979-03-22 |
GB1425307A (en) | 1976-02-18 |
IT1017656B (it) | 1977-08-10 |
FR2237914B1 (da) | 1977-03-18 |
AU7059374A (en) | 1976-01-08 |
GB1450758A (en) | 1976-09-29 |
NO742645L (da) | 1975-02-17 |
CH589108A5 (da) | 1977-06-30 |
AT341783B (de) | 1978-02-27 |
DK150860B (da) | 1987-07-06 |
DE2432759C2 (da) | 1987-05-21 |
NL159679B (nl) | 1979-03-15 |
BR7405697D0 (pt) | 1975-05-20 |
NO142628B (no) | 1980-06-09 |
IN142549B (da) | 1977-07-23 |
IE39812B1 (en) | 1979-01-03 |
SE414181B (sv) | 1980-07-14 |
JPS5044278A (da) | 1975-04-21 |
NO142628C (no) | 1980-09-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK552377A (da) | Fremgangsmaade til fremstilling af alfa-beskyttede oxyimino-beta-oxo-gamma-halogen-smoersyrederivater | |
DK140430B (da) | Analogifremgangsmåde til fremstilling af 3-aryloxy-3-phenylpropylaminer eller syreadditionssalte heraf. | |
DK150860C (da) | Fremgangsmaade til fremstilling af polylactoner afledt af poly-alfa-hydroxyacrylsyre | |
DK144094C (da) | Analogifremgangsmaade til fremstilling af n-substituerede 3-hydroxy-8-oxamorphinaner eller syreadditionssalte deraf | |
DK146535C (da) | Fremgangsmaade til fremstilling af 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazin-1,1-dioxid-3-carboxamider | |
DK139846B (da) | Analogifremgangsmåde til fremstilling af 3-alkoxypyrazin-2-carboxamider. | |
DK145877C (da) | Fremgangsmaade til fremstilling af alfa-6-desoxy-5-hydroxytetracyclin | |
DK136074B (da) | Analogifremgangsmåde til fremstilling af 6alfa-fluor-11beta-hydroxy-16-methyl-3-oxo-17alfa-acyloxyandrost-4-en-17beta-carboxylsyreestere. | |
DK138321B (da) | Analogifremgangsmåde til fremstilling af 5-halogen-2,3-kresotinsyrederivater. | |
DK456077A (da) | Fremgangsmade til fremstilling af nicotinsyre | |
DK135119C (da) | Analogifremgangsmade til fremstilling af 3-pyrazolyloksyeddikesyrederivater | |
DK134279B (da) | Analogifremgangsmåde til fremstilling af cycloalkylphenoxycarboxylsyrederivater. | |
DK137086C (da) | Analogifremgangsmaade til fremstilling af pregnan-21-syrederivater | |
DK133977B (da) | Fremgangsmåde til fremstilling af 2-chlor-5-sulfamoylbenzoesyrer. | |
DK135538B (da) | Fremgangsmåde til fremstilling af 17alfa-ethynyl-(5alfa)-2-androsten-17-beta-ol. | |
DK139574B (da) | Analogifremgangsmåde til fremstilling af terpeno-phenoxy-alkylaminer eller syreadditionssalte deraf. | |
DK138227B (da) | Analogifremgangsmåde til fremstilling af substituerede xanthon-2-carboxylsyreforbindelser. | |
DK145156C (da) | Fremgangsmaade til fremstilling af sulfonylmethyl-perhydroindan-5-oner | |
DK140557B (da) | Analogifremgangsmåde til fremstilling af sultiner af 17-hydroxy-3-oxo-17alfa-pregn-4-en-21-sulfinsyrer. | |
DK158316C (da) | Fremgangsmaade til fremstilling af 3-substituerede 7-amino-3-cephem-4-carboxylsyrederivater | |
DK143028C (da) | Fremgangsmaade til fremstilling af n5-methyltetrahydro-homofolinsyre ud fra homofolinsyre | |
DK140431B (da) | Analogifremgangsmåde til fremstilling af et N2-dansyl-L-arginin-derivat eller syreadditionssalte deraf. | |
DK137646B (da) | Fremgangsmåde til fremstilling af 6-chlor-2-chlormethyl-4-phenylquinazolin-3-oxid. | |
DK138694B (da) | Fremgangsmåde til fremstilling af phenylphosphonothiodichlorid. | |
DK152497C (da) | Fremgangsmaade til fremstilling af 8-substituerede 2-amino-5-oxo-5,8-dihydropyridooe2,3-daapyrimidin-6-carboxylsyrer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |