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Colonic-targeted oral drug-dosage forms based on crosslinked hydrogels containing azobonds and exhibiting PH-dependent s 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61K-009/48
  • A61F-009/02
출원번호 US-0932914 (1992-08-20)
발명자 / 주소
  • Kopecek Jindrich (Salt Lake City UT) Kim Sung W. (Salt Lake City UT) Brondsted Helle (Salt Lake City UT) Kopeckova Pavla (Salt Lake City UT)
출원인 / 주소
  • University of Utah Research Foundation (Salt Lake City UT 02)
인용정보 피인용 횟수 : 27  인용 특허 : 0

초록

Colonic-targeted oral drug dosage forms composed of a drug confined within a crosslinked hydrogel that exhibits pH-dependent swelling and is composed of an ionizable comonomer such as acrylic acid, a nonionizable comonomer such as an acrylamide, and a crosslinking agent that contains an aromatic azo

대표청구항

A crosslinked hydrogel comprised of: (a) at least one ethylenically unsaturated comonomer containing no ionizable group; (b) at least one ethylenically unsaturated comonomer containing an ionizable group; and (c) a crosslinking agent containing an aromatic azobond, said copolymer being crosslinked b

이 특허를 인용한 특허 (27)

  1. Cruise, Gregory M.; Constant, Michael J., Acrylic hydrogels with deprotonated amine groups that undergo volumetric expansion in response to changes in environmental pH.
  2. Kiser, Patrick F.; Thomas, Allen A., Biodegradable cross-linkers having a polyacid connected to reactive groups for cross-linking polymer filaments.
  3. Panitch, Alyssa; Seal, Brandon, Cell-permeant peptide-based inhibitor of kinases.
  4. Panitch, Alyssa; Seal, Brandon; Brugnano, Jamie L.; Bartlett, Rush L.; Sharma, Shaili; McMasters, James, Compositions and methods for delivery of kinase inhibiting peptides.
  5. Panitch, Alyssa; Seal, Brandon; Brugnano, Jamie L.; Bartlett, Rush L.; Sharma, Shaili; McMasters, James, Compositions and methods for delivery of kinase inhibiting peptides.
  6. First, Eric R., Cosmetic neurotoxin compositions and methods.
  7. First, Eric R., Cosmetic neurotoxin compositions and methods.
  8. Cruise, Gregory M.; Constant, Michael J., Hydrogels that undergo volumetric expansion in response to changes in their environment and their methods of manufacture and use.
  9. Cruise, Gregory M.; Constant, Michael J., Hydrogels that undergo volumetric expansion in response to changes in their environment and their methods of manufacture and use.
  10. Panitch, Alyssa; Seal, Brandon; Ward, Brian, Kinase inhibitors and uses thereof.
  11. Panitch, Alyssa; Seal, Brandon; Ward, Brian, Kinase inhibitors and uses thereof.
  12. Panitch, Alyssa; Otto, Kevin; Onunkwo, Nnadozie; Woolley, Andrew, MK2 inhibitor compositions and methods to enhance neurite outgrowth, neuroprotection, and nerve regeneration.
  13. Sannino, Alessandro; Demitri, Christian; Zohar, Yishai; Hand, Barry Joseph; Ron, Eyal S., Method for producing hydrogels.
  14. Sannino, Alessandro; Demitri, Christian; Zohar, Yishai; Ron, Eyal S.; Hand, Barry J.; Saponaro, Cosimo, Method for producing hydrogels coupling high elastic modulus and absorbance.
  15. Sannino, Alessandro; Demitri, Christian; Zohar, Yishai; Ron, Eyal S.; Hand, Barry J.; Saponaro, Cosimo, Method for treating constipation.
  16. Heshmati, Hassan; Ron, Eyal S.; Sannino, Alessandro; Zohar, Yishai, Methods for treating overweight or obesity.
  17. Chandrashekhar P. Pathak ; Shikha P. Barman ; C. Michael Philbrook ; Amarpreet S. Sawhney ; Arthur J. Coury ; Luis Z. Avila ; Mark T. Kieras, Multiblock biodegradable hydrogels for drug delivery and tissue treatment.
  18. Pathak Chandrashekhar P. ; Barman Shikha P. ; Philbrook C. Michael ; Sawhney Amarpreet S. ; Coury Arthur J. ; Avila Luis Z. ; Kieras Mark T., Multiblock biodegradable hydrogels for drug delivery and tissue treatment.
  19. Pathak, Chandrashekhar P.; Barman, Shikha P.; Philbrook, C. Michael; Sawhney, Amarpreet S.; Coury, Arthur J.; Avila, Luis Z.; Kieras, Mark T., Multiblock biodegradable hydrogels for drug delivery and tissue treatment.
  20. Pathak, Chandrashekhar P.; Barman, Shikha P.; Philbrook, C. Michael; Sawhney, Amarpreet S.; Coury, Arthur J.; Avila, Luis Z.; Kieras, Mark T., Multiblock biodegradable hydrogels for drug delivery and tissue treatment.
  21. Sannino, Alessandro; Ambrosio, Luigi; Nicolais, Luigi; Demitri, Christian, Polymer hydrogels and methods of preparation thereof.
  22. Liska, Robert; Schuster, Monika; Stampfl, Jürgen; Gruber, Heinrich; Varga, Franz, Polymerized molded body.
  23. Panitch, Alyssa; Seal, Brandon; Ward, Brian, Polypeptide inhibitors of HSP27 kinase and uses therefor.
  24. Panitch, Alyssa; Seal, Brandon; Ward, Brian C., Polypeptide inhibitors of HSP27 kinase and uses therefor.
  25. Panitch, Alyssa; Seal, Brandon; Ward, Brian P., Polypeptide inhibitors of HSP27 kinase and uses therfor.
  26. Ishikawa Akira ; Takeda Nabuo ; Ahn Suzanne I. ; Ahn Samuel S. ; Hays Steven R. ; Gaffney F. Andrew, Position sensing system.
  27. Benoit,Didier; Safir,Adam; Chang,Han Ting; Charmot,Dominique; Okamoto,Kenji; Nishimura,Isao; Wang,Yong, Synthesis of photoresist polymers.
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