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Biodegradable copolymer as drug delivery matrix comprising polyethyleneoxide and aliphatic polyester blocks 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08G-065/32
출원번호 US-0238083 (1994-05-04)
우선권정보 KR-0000270 (1994-01-10)
발명자 / 주소
  • Kim Ho H. (Tae Jeon KRX) Yeo Guw D. (Tae Jeon KRX) Yi Yil W. (Chon-Ju KRX)
출원인 / 주소
  • Sam Yang Co., Ltd. (Seoul KRX 03)
인용정보 피인용 횟수 : 30  인용 특허 : 0

초록

This invention concerns the thermoplastic, biodegradable and nontoxic block copolymer which is easily degraded and excreted in human body by the hydrolysis of intramolecular ester and amide bond. The structure of present copolymer comprises i) hydrophilic and swellable soft domain consisting of poly

대표청구항

A thermoplastic, biodegradable multi-block copolymer useful as a drug delivery matrix with the following formula (I): (H-(OCHR1COOCHR2CO)m-O(CH2)z)l-Y-A-Y′-((CH2)zO-(COCHR1OC(=O)CHR2O)m-H)l(I) wherein block A is a hydrophilic multi-block copolymer -(-(OCH2CH2)n-X)k-(CH2CH2O)n-; X is -O(COCH2O)x-, -O

이 특허를 인용한 특허 (30)

  1. Park Jung-Ki,KRX ; Cho Kuk Young,KRX ; Kim Chang-Hyeon,KRX, Biodegradable aliphatic polyester grafted with polyether and a process for preparing the same.
  2. Tsai, Bin-Hong; Chen, Jui-Hsiang; Chen, Muh-Lan; Chen, Yu-Hua; Liu, Mei-Jung, Biodegradable copolymer, and polymeric micelle composition containing the same.
  3. Gaudriault, Georges, Biodegradable drug delivery compositions.
  4. Schmidmaier, Gerhard; Raschke, Michael; Stemberger, Axel, Biologically active implants.
  5. Schmidmaier,Gerhard; Raschke,Michael; Stemberger,Axel, Biologically active implants.
  6. Kataoka Kazunori,JPX ; Kato Masao,JPX ; Nagasaki Yukio,JPX ; Okano Teruo,JPX, Block polymer having functional groups at both ends.
  7. Hossainy, Syed F. A.; Tang, Yiwen; Michal, Eugene T.; Glauser, Thierry; Pacetti, Stephen D.; DesNoyer, Jessica, Coatings for implantable devices comprising polymers of lactic acid and methods for fabricating the same.
  8. Hossainy, Syed F.A.; Tang, Yiwen; Michal, Eugene T.; Glauser, Thierry; Pacetti, Stephen D.; DesNoyer, Jessica, Coatings for implantable devices comprising polymers of lactic acid and methods for fabricating the same.
  9. Hunter, William L.; Machan, Lindsay S., Compositions and methods for treating or preventing diseases of body passageways.
  10. Babaev, Eilaz, Echoing ultrasound atomization and/or mixing system.
  11. Ron Eyal S. ; Bromberg Lev ; Temchenko Marina, End modified thermal responsive hydrogels.
  12. Ron,Eyal S.; Bromberg,Lev; Temchenko,Marina, End modified thermal responsive hydrogels.
  13. Hoorne-van Gemert, Gaby Maria Leonarda; Chodorowski-Kimmès, Sandrine; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, High flow supramolecular compounds.
  14. Gemert, Gaby Maria Leonarda Hoorne-Van; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Hydrogen bonded hydrogels.
  15. Dankers, Patricia Yvonne Wilhelmina; Gemert, Gaby Maria Leonarda Hoorne-Van; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Modular bioresorbable or biomedical, biologically active supramolecular materials.
  16. Dankers, Patricia Yvonne Wilhelmina; van Gemert, Gaby Maria Leonarda; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Modular bioresorbable or biomedical, biologically active supramolecular materials.
  17. Dankers, Patricia Yvonne Wilhelmina; van Gemert, Gaby Maria Leonarda; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Modular bioresorbable or biomedical, biologically active supramolecular materials.
  18. Kim, Jung-Ahn; Yoo, Hyun-Oh, PH-sensitive polyethylene oxide co-polymer and synthetic method thereof.
  19. Janssen, Hendricus Marie; Van Gemert, Gaby Maria Leonarda; Meijer, Egbert Willem; Bosman, Anton Willem, Preparation of supramolecular polymers containing quadruple hydrogen bonding units in the polymer backbone.
  20. Janssen, Henricus Marie; van Gemert, Gaby Maria Leonarda; Bosman, Anton Willem, Process for the preparation of a supramolecular polymer.
  21. Yang Dachuan ; Stanslaski Joel L. ; Wang Lixiao ; Smith Scott R., Stent coating.
  22. Yang, Dachuan; Stanslaski, Joel L.; Wang, Lixiao; Smith, Scott R., Stent coating.
  23. Baughman, Travis Wayne; Hoorne-Van Gemert, Gaby Maria Leonarda; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Strong reversible hydrogels.
  24. Van Gemert, Gaby Maria Leonarda; Versteegen, Ronny Mathieu; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Supramolecular ionomers.
  25. Van Gemert, Gaby Maria Leonarda; Janssen, Henricus Marie; Meijer, Egbert Willem; Bosman, Anton Willem, Supramolecular polymers from low-melting, easily processable building blocks.
  26. Olivieri,Laetitia; Ron,Eyal S., Thermally reversible water in oil in water emulsions.
  27. Babaev, Eilaz, Ultrasonic atomization and/or seperation system.
  28. Babaev, Eilaz P., Ultrasound apparatus and methods for mixing liquids and coating stents.
  29. Babaev, Eilaz, Ultrasound pumping apparatus.
  30. Lee, Doo Sung; Shim, Woo Sun; Bae, You Han; You, Je Sun; Kim, Min Sang; Phu, Huynh Dai, pH and temperature sensitive hydrogels.
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