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Class Information
Number: 424/424
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Implant or insert > Surgical implant or material > Membrane or diffusion barrier
Description: Subject matter in which the sustained or differential release of active pharmaceutical takes place through a membrane or diffusion barrier.










Sub-classes under this class:

Class Number Class Name Patents
424/425 Diffusion barrier is matrix 458


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5593697 Single dose vaccination system Jan. 14, 1997
RE35399 Composite living skin equivalents Dec. 10, 1996
5578314 Multiple layer alginate coatings of biological tissue for transplantation Nov. 26, 1996
5573528 Implanting devices for the focal release of neuroinhibitory compounds Nov. 12, 1996
5569462 Methods for enhancing vascularization of implant devices Oct. 29, 1996
5569463 Medical device polymer Oct. 29, 1996
5565443 Subcutaneous implants based on normegestrol derivatives Oct. 15, 1996
5545223 Ported tissue implant systems and methods of using same Aug. 13, 1996
5540928 Extraluminal regulation of the growth and repair of tubular structures in vivo Jul. 30, 1996
5540929 Polysaccharides grafted with aliphatic polyesters derived from cyclic esters Jul. 30, 1996
5534025 Vascular bioartificial organ Jul. 9, 1996
5531997 Coated transplant and method for making same Jul. 2, 1996
5529066 Implantable capsule for enhancing cell electric signals Jun. 25, 1996
5516522 Biodegradable porous device for long-term drug delivery with constant rate release and method of making the same May. 14, 1996
5514377 In situ dissolution of alginate coatings of biological tissue transplants May. 7, 1996
5508036 Devices for preventing tissue adhesion Apr. 16, 1996
5496552 Osteogenic devices Mar. 5, 1996
5487739 Implantable therapy systems and methods Jan. 30, 1996
5476515 Method of making intraocular lenses with injectable collagen-based compositions Dec. 19, 1995
5474547 Implanting devices for the focal release of neuroinhibitory compounds Dec. 12, 1995
5474784 Dispensing device Dec. 12, 1995
5470731 Coated transplant and method for making same Nov. 28, 1995
5453368 Method of encapsulating biological substances in microspheres Sep. 26, 1995
5453278 Laminated barriers for tissue implants Sep. 26, 1995
5449679 Process and products for reducing biological fluid levels of a lipid soluble waste Sep. 12, 1995
5447724 Medical device polymer Sep. 5, 1995
5443508 Subcutaneous implantable multiple agent delivery system Aug. 22, 1995
5433952 Intraoral medicament-releasing device Jul. 18, 1995
5431921 Dispensing device containing a hydrophobic medium Jul. 11, 1995
5429821 Non-fibrogenic high mannuronate alginate coated transplants, processes for their manufacture, and methods for their use Jul. 4, 1995
5427796 Growth promoters for animals Jun. 27, 1995
5419910 Growth promoters for animals May. 30, 1995
5413797 Controlled release ACTH containing microspheres May. 9, 1995
5407681 Increasing the growth of turkeys using implant of 5-alpha-dihydrotestosterone Apr. 18, 1995
5401507 Growth promoters for animals Mar. 28, 1995
5391164 Subcutaneous implantable multiple-agent delivery system Feb. 21, 1995
5387237 Bioartificial pancreas Feb. 7, 1995
5387419 System for controlled release of antiarrhythmic agents Feb. 7, 1995
5385738 Sustained-release injection Jan. 31, 1995
5380536 Biocompatible microcapsules Jan. 10, 1995
5378475 Sustained release drug delivery devices Jan. 3, 1995
5368858 Methods and compositions for the treatment and repair of defects or lesions in cartilage Nov. 29, 1994
5368859 Biodegradable system for regenerating the periodontium Nov. 29, 1994
5366507 Method for use in bone tissue regeneration Nov. 22, 1994
5360610 Method for stimulating nerve fiber growth Nov. 1, 1994
5354557 Osteogenic devices Oct. 11, 1994
5350583 Cell-penetrable medical material and artificial skin Sep. 27, 1994
5344454 Closed porous chambers for implanting tissue in a host Sep. 6, 1994
5342622 Subdermal biocompatible implants Aug. 30, 1994
5340584 Methods and formulations for use in inhibiting conception and in treating benign gynecological disorders Aug. 23, 1994

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
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