DE69434711D1 - Abbaubare, auf Polydioxanon basierende Materialien - Google Patents
Abbaubare, auf Polydioxanon basierende MaterialienInfo
- Publication number
- DE69434711D1 DE69434711D1 DE69434711T DE69434711T DE69434711D1 DE 69434711 D1 DE69434711 D1 DE 69434711D1 DE 69434711 T DE69434711 T DE 69434711T DE 69434711 T DE69434711 T DE 69434711T DE 69434711 D1 DE69434711 D1 DE 69434711D1
- Authority
- DE
- Germany
- Prior art keywords
- repeating units
- materials
- polymers
- degradable
- polydioxaneone
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/62—Compostable, hydrosoluble or hydrodegradable materials
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/664—Polyesters containing oxygen in the form of ether groups derived from hydroxy carboxylic acids
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/44—Polyester-amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/012—Additives activating the degradation of the macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0033—Additives activating the degradation of the macromolecular compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/19—Details relating to the geometry of the reactor
- B01J2219/194—Details relating to the geometry of the reactor round
- B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
- B01J2219/1942—Details relating to the geometry of the reactor round circular or disk-shaped spherical
-
- 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
- C08G2230/00—Compositions for preparing biodegradable polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/28—Non-macromolecular organic substances
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/916—Cellular product having enhanced degradability
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Wood Science & Technology (AREA)
- Polyesters Or Polycarbonates (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
- Laminated Bodies (AREA)
- Polyethers (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/127,907 US5767222A (en) | 1988-08-08 | 1993-09-29 | Degradable polydioxaneone-based materials |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69434711D1 true DE69434711D1 (de) | 2006-05-24 |
Family
ID=22432573
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69434257T Expired - Fee Related DE69434257T8 (de) | 1993-09-29 | 1994-09-14 | Abbaubare, auf polydioxanon basierende materialien |
DE69434711T Expired - Lifetime DE69434711D1 (de) | 1993-09-29 | 1994-09-14 | Abbaubare, auf Polydioxanon basierende Materialien |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69434257T Expired - Fee Related DE69434257T8 (de) | 1993-09-29 | 1994-09-14 | Abbaubare, auf polydioxanon basierende materialien |
Country Status (9)
Country | Link |
---|---|
US (4) | US5767222A (de) |
EP (2) | EP1520868B1 (de) |
JP (1) | JPH09503019A (de) |
AT (2) | ATE323731T1 (de) |
AU (1) | AU7835794A (de) |
CA (1) | CA2173114A1 (de) |
DE (2) | DE69434257T8 (de) |
WO (1) | WO1995009164A1 (de) |
ZA (1) | ZA946975B (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2183923A1 (en) * | 1995-08-23 | 1997-02-24 | Michael Patrick Farr | Stabilized dioxanone polymers |
US6001439A (en) * | 1996-05-09 | 1999-12-14 | Kureha Kagaku Kogyo K.K. | Stretch blow molded container and production process thereof |
US6214277B1 (en) * | 1998-01-19 | 2001-04-10 | Starlite Co., Ltd. | Method for producing plastic composite molded parts |
WO2001042333A2 (en) * | 1999-12-13 | 2001-06-14 | Michigan State University | Process for the preparation of polymers of dimeric cyclic esters |
US7700500B2 (en) * | 2002-12-23 | 2010-04-20 | Kimberly-Clark Worldwide, Inc. | Durable hydrophilic treatment for a biodegradable polymeric substrate |
US7994078B2 (en) * | 2002-12-23 | 2011-08-09 | Kimberly-Clark Worldwide, Inc. | High strength nonwoven web from a biodegradable aliphatic polyester |
NL1023720C2 (nl) * | 2003-06-23 | 2004-12-28 | Univ Eindhoven Tech | Werkwijze voor het wijzigen van de transporteigenschappen van een materiaal, werkwijze voor het vrijmaken van een werkstof uit een implantaat, evenals implantaat met werkstof. |
US20050136155A1 (en) * | 2003-12-22 | 2005-06-23 | Jordan Joy F. | Specialty beverage infusion package |
WO2006020544A2 (en) * | 2004-08-09 | 2006-02-23 | Michigan State University | Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized stabilized 1,4-dioxan-2-one (co) polymers |
US7604668B2 (en) * | 2005-07-29 | 2009-10-20 | Gore Enterprise Holdings, Inc. | Composite self-cohered web materials |
US7850810B2 (en) * | 2005-07-29 | 2010-12-14 | Gore Enterprise Holdings, Inc. | Method of making porous self-cohered web materials |
US7655584B2 (en) * | 2005-07-29 | 2010-02-02 | Gore Enterprise Holdings, Inc. | Highly porous self-cohered web materials |
US20070027551A1 (en) * | 2005-07-29 | 2007-02-01 | Farnsworth Ted R | Composite self-cohered web materials |
US20070026040A1 (en) * | 2005-07-29 | 2007-02-01 | Crawley Jerald M | Composite self-cohered web materials |
US8048503B2 (en) * | 2005-07-29 | 2011-11-01 | Gore Enterprise Holdings, Inc. | Highly porous self-cohered web materials |
US20070026039A1 (en) * | 2005-07-29 | 2007-02-01 | Drumheller Paul D | Composite self-cohered web materials |
US7655288B2 (en) * | 2005-07-29 | 2010-02-02 | Gore Enterprise Holdings, Inc. | Composite self-cohered web materials |
US7794495B2 (en) * | 2006-07-17 | 2010-09-14 | Advanced Cardiovascular Systems, Inc. | Controlled degradation of stents |
EP2115008B1 (de) * | 2007-03-01 | 2019-09-18 | De Staat der Nederlanden, vert. door de Minister van Volksgezondheid, Welzijn en Sport, namens de Minister, Projectdirectie ALT, het INTRAVACC | Auf offener stärke basierendes, biologisch abbaubares material |
US8486439B2 (en) * | 2007-03-01 | 2013-07-16 | Bioneedle Technologies Group B.V. | Parenteral formulation |
WO2009127009A1 (en) * | 2008-04-18 | 2009-10-22 | Commonwealth Scientific And Industrial Research Organisation | Condensation polymers |
US8016980B2 (en) * | 2008-11-25 | 2011-09-13 | Dixie Consumer Products Llc | Paper products |
EP2732832A3 (de) | 2012-11-14 | 2015-07-01 | Universitair Medisch Centrum Groningen (UMCG) | Arzneimittelabgabevorrichtung mit einem Wirkstoff und einem wärmeempfindlichen Polymermaterial |
WO2015020646A1 (en) * | 2013-08-07 | 2015-02-12 | Empire Technology Development Llc | Degradable polymer resins and methods for their preparation |
Family Cites Families (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703316A (en) * | 1951-06-05 | 1955-03-01 | Du Pont | Polymers of high melting lactide |
US2768973A (en) * | 1954-11-30 | 1956-10-30 | Du Pont | Preparation of glycolaldehyde by hydrolysis of 4-chloro-2-oxodioxolane |
BE674355A (de) * | 1964-12-28 | 1966-06-27 | ||
US3797499A (en) * | 1970-05-13 | 1974-03-19 | Ethicon Inc | Polylactide fabric graphs for surgical implantation |
BE758156R (fr) * | 1970-05-13 | 1971-04-28 | Ethicon Inc | Element de suture absorbable et sa |
US3773737A (en) * | 1971-06-09 | 1973-11-20 | Sutures Inc | Hydrolyzable polymers of amino acid and hydroxy acids |
US3736646A (en) * | 1971-10-18 | 1973-06-05 | American Cyanamid Co | Method of attaching surgical needles to multifilament polyglycolic acid absorbable sutures |
US3867190A (en) * | 1971-10-18 | 1975-02-18 | American Cyanamid Co | Reducing capillarity of polyglycolic acid sutures |
US3982543A (en) * | 1973-04-24 | 1976-09-28 | American Cyanamid Company | Reducing capillarity of polyglycolic acid sutures |
US3960152A (en) * | 1974-01-21 | 1976-06-01 | American Cyanamid Company | Surgical sutures of unsymmetrically substituted 1,4-dioxane-2,5-diones |
US4440789A (en) * | 1982-11-16 | 1984-04-03 | Ethicon, Inc. | Synthetic absorbable hemostatic composition |
US4800719A (en) * | 1985-08-26 | 1989-01-31 | Campbell Monty A | Exhaust system |
EP0261572A1 (de) * | 1986-09-20 | 1988-03-30 | Boehringer Ingelheim Kg | Verfahren zur Herstellung von Lactid |
DE3708915C2 (de) * | 1987-03-19 | 1996-04-04 | Boehringer Ingelheim Kg | Verfahren zur Herstellung von Lactid |
ES2030409T3 (es) * | 1986-10-24 | 1992-11-01 | Boehringer Ingelheim Kg | Procedimiento para preparar y purificar compuestos termolabiles . |
FI80605C (fi) * | 1986-11-03 | 1990-07-10 | Biocon Oy | Benkirurgisk biokompositmaterial. |
DE3781133T2 (de) * | 1986-12-19 | 1993-06-24 | Akzo Nv | Herstellung von polymilchsaeure und copolymeren daraus. |
US4800219A (en) * | 1986-12-22 | 1989-01-24 | E. I. Du Pont De Nemours And Company | Polylactide compositions |
US4766182A (en) * | 1986-12-22 | 1988-08-23 | E. I. Du Pont De Nemours And Company | Polylactide compositions |
US4835293A (en) * | 1987-02-24 | 1989-05-30 | E. I. Du Pont De Nemours And Company | Atmospheric pressure process for preparing pure cyclic esters |
NL8702563A (nl) * | 1987-10-28 | 1989-05-16 | Cca Biochem B V | Polymeer lactide, werkwijze voor het bereiden van een dergelijk polymeer lactide, alsmede een samenstelling, die een dergelijk polymeer lactide bevat. |
US4891263A (en) * | 1987-12-17 | 1990-01-02 | Allied-Signal Inc. | Polycarbonate random copolymer-based fiber compositions and method of melt-spinning same and device |
US5120802A (en) * | 1987-12-17 | 1992-06-09 | Allied-Signal Inc. | Polycarbonate-based block copolymers and devices |
US5180765A (en) * | 1988-08-08 | 1993-01-19 | Biopak Technology, Ltd. | Biodegradable packaging thermoplastics from lactides |
US5319107A (en) * | 1990-09-18 | 1994-06-07 | Biopak Technology, Ltd. | Method to produce cyclic esters |
US5274127A (en) * | 1990-09-18 | 1993-12-28 | Biopak Technology, Ltd. | Lactide production from dehydration of aqueous lactic acid feed |
US5502158A (en) * | 1988-08-08 | 1996-03-26 | Ecopol, Llc | Degradable polymer composition |
US5076807A (en) * | 1989-07-31 | 1991-12-31 | Ethicon, Inc. | Random copolymers of p-dioxanone, lactide and/or glycolide as coating polymers for surgical filaments |
US5028667A (en) * | 1989-09-29 | 1991-07-02 | E.I. Du Pont De Nemours And Company | Yttrium and rare earth compounds catalyzed lactone polymerization |
EP0531458B1 (de) * | 1990-05-03 | 1997-08-13 | E.I. Du Pont De Nemours And Company | Verfahren zur schnellen herstellung cyclischer ester |
US5138074A (en) * | 1990-06-28 | 1992-08-11 | E. I. Du Pont De Nemours And Company | Continuous catalyzed vapor phase dimeric cyclic ester process |
US5252701A (en) * | 1990-07-06 | 1993-10-12 | American Cyanamid Company | Segmented absorbable copolymer |
WO1992001737A1 (en) * | 1990-07-16 | 1992-02-06 | E.I. Du Pont De Nemours And Company | Degradable foam materials |
US5076983A (en) * | 1990-07-16 | 1991-12-31 | E. I. Du Pont De Nemours And Company | Polyhydroxy acid films |
NL9001641A (nl) * | 1990-07-19 | 1992-02-17 | Stamicarbon | Werkwijze voor het maken van polymere producten van cyclische esters. |
US5332839A (en) * | 1990-09-18 | 1994-07-26 | Biopak Technology, Ltd. | Catalytic production of lactide directly from lactic acid |
US5089632A (en) * | 1991-01-30 | 1992-02-18 | E. I. Du Pont De Nemours And Company | Process for preparing cyclic esters using a fluorocarbon |
IT1249045B (it) * | 1991-02-21 | 1995-02-11 | Himont Inc | Processo per la sintesi allo stato solido di polimeri dell'acido lattico e prodotti cosi ottenuti |
US5254718A (en) * | 1991-02-27 | 1993-10-19 | E. I. Du Pont De Nemours & Company | Esters of unsymmetrically 2-substituted glycolic acid dimers |
CA2064410A1 (en) * | 1991-04-01 | 1992-10-02 | Masanobu Ajioka | Degradable foam and use of same |
US5238968A (en) * | 1991-04-24 | 1993-08-24 | Mitsui Toatsu Chemicals, Inc. | Process for preparing a degradable high polymer network |
US5196551A (en) * | 1991-06-24 | 1993-03-23 | E. I. Du Pont De Nemours And Company | Co-vaporization process for preparing lactide |
US5296282A (en) * | 1991-08-12 | 1994-03-22 | E. I. Du Pont De Nemours And Company | Degradable repellant coated articles |
US5235031A (en) * | 1992-03-13 | 1993-08-10 | E. I. Du Pont De Nemours And Company | Polymerization of lactide |
US5236560A (en) * | 1992-03-13 | 1993-08-17 | E. I. Du Pont De Nemours And Company | Solventless dimeric cyclic ester distillation process |
-
1993
- 1993-09-29 US US08/127,907 patent/US5767222A/en not_active Expired - Fee Related
-
1994
- 1994-09-09 ZA ZA946975A patent/ZA946975B/xx unknown
- 1994-09-14 AT AT04027149T patent/ATE323731T1/de not_active IP Right Cessation
- 1994-09-14 JP JP7510334A patent/JPH09503019A/ja active Pending
- 1994-09-14 AT AT94929219T patent/ATE288428T1/de not_active IP Right Cessation
- 1994-09-14 AU AU78357/94A patent/AU7835794A/en not_active Abandoned
- 1994-09-14 EP EP04027149A patent/EP1520868B1/de not_active Expired - Lifetime
- 1994-09-14 DE DE69434257T patent/DE69434257T8/de not_active Expired - Fee Related
- 1994-09-14 WO PCT/US1994/010426 patent/WO1995009164A1/en active IP Right Grant
- 1994-09-14 EP EP94929219A patent/EP0722445B1/de not_active Expired - Lifetime
- 1994-09-14 DE DE69434711T patent/DE69434711D1/de not_active Expired - Lifetime
- 1994-09-14 CA CA002173114A patent/CA2173114A1/en not_active Abandoned
-
1995
- 1995-05-31 US US08/455,990 patent/US5556895A/en not_active Expired - Lifetime
- 1995-06-01 US US08/457,017 patent/US5801223A/en not_active Expired - Lifetime
-
1998
- 1998-06-15 US US09/097,404 patent/US6025458A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ZA946975B (en) | 1995-08-01 |
DE69434257D1 (de) | 2005-03-10 |
EP0722445A4 (de) | 1997-04-02 |
JPH09503019A (ja) | 1997-03-25 |
CA2173114A1 (en) | 1995-04-06 |
AU7835794A (en) | 1995-04-18 |
DE69434257T8 (de) | 2006-08-17 |
US5556895A (en) | 1996-09-17 |
ATE288428T1 (de) | 2005-02-15 |
EP0722445B1 (de) | 2005-02-02 |
WO1995009164A1 (en) | 1995-04-06 |
US5767222A (en) | 1998-06-16 |
EP1520868A1 (de) | 2005-04-06 |
US6025458A (en) | 2000-02-15 |
EP0722445A1 (de) | 1996-07-24 |
EP1520868B1 (de) | 2006-04-19 |
DE69434257T2 (de) | 2006-01-12 |
US5801223A (en) | 1998-09-01 |
ATE323731T1 (de) | 2006-05-15 |
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