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Class Information
Number: 424/484
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Matrices
Description: Subject matter in which the special physical form includes a reticulated net work of material from which the drug is eluted or released by dissolution of the reticulated network physically holding the drug.

Sub-classes under this class:

Class Number Class Name Patents
424/485 Natural gums, resin or latex 488
424/488 Polysaccharides (e.g., cellulose, etc.) 1,335
424/486 Synthetic polymer 1,987

Patents under this class:

Patent Number Title Of Patent Date Issued
8303967 Bioactive bone graft substitute Nov. 6, 2012
8288347 Dermal fillers comprising silk fibroin hydrogels and uses thereof Oct. 16, 2012
8287888 Thermosensitive polyphosphazene-bioactive molecule conjugates, preparation method thereof and use thereof Oct. 16, 2012
8282967 Nitric oxide-releasing particles for nitric oxide therapeutics and biomedical applications Oct. 9, 2012
8277845 Formulations and methods for lyophilization and lyophilates provided thereby Oct. 2, 2012
8273373 Photocrosslinked biodegradable hydrogel Sep. 25, 2012
8273372 Extracellular matrix composition Sep. 25, 2012
8268351 Matrix film tablet with controlled release of a natural mixture of conjugated estrogens Sep. 18, 2012
8268349 Solid pharmaceutical dosage form Sep. 18, 2012
8268240 Ciclesonide-containing sterile aqueous suspension Sep. 18, 2012
8263127 Photochemical activation of surfaces for attaching biomaterial Sep. 11, 2012
8263102 Drug delivery coating for use with a stent Sep. 11, 2012
8257741 Solid pharmaceutical dispersions with enhanced bioavailability Sep. 4, 2012
8257738 Encapsulation compositions and process for preparing the same Sep. 4, 2012
8257737 Tissue implants and methods for making and using same Sep. 4, 2012
8257478 Use of marine fungus originated compounds as antifouling agents Sep. 4, 2012
8252333 Biodegradable, non-toxic biological adhesive for use in abdominal surgery Aug. 28, 2012
8252332 Gastric retained gabapentin dosage form Aug. 28, 2012
8252322 Delivery system with increased bioavailability Aug. 28, 2012
8252302 Methods and compositions to treat hemorrhagic conditions of the brain Aug. 28, 2012
8246980 Transdermal delivery system Aug. 21, 2012
RE43582 Semi-moist delivery system Aug. 14, 2012
8242076 Polypeptides, matrices, hydrogels and methods of using same for tissue regeneration and repair Aug. 14, 2012
8241668 Therapeutic polyesters and polyamides Aug. 14, 2012
8241650 Device, method, and use for treatment of neuropathy involving nitric oxide Aug. 14, 2012
8236848 Diindolylmethane for the treatment of HPV infection Aug. 7, 2012
8236351 Tamper-resistant oral opioid agonist formulations Aug. 7, 2012
8236350 Polymer for tissue engineering applications and drug delivery Aug. 7, 2012
8231929 Medical device coating process Jul. 31, 2012
8231906 Transdermal estrogen device and delivery Jul. 31, 2012
8231905 Gastric retained gabapentin dosage form Jul. 31, 2012
8231898 Controlled release hydrocodone formulations Jul. 31, 2012
8231897 Hydrostatic delivery system for controlled delivery of agent Jul. 31, 2012
8222233 Modifications of solid 3-sn-phosphoglycerides Jul. 17, 2012
8221791 Silica-based antibacterial and antifungal nanoformulation Jul. 17, 2012
8221790 Therapeutic polyesters and polyamides Jul. 17, 2012
8211471 Process for the production of beadlets Jul. 3, 2012
8206743 Promoters exhibiting endothelial cell specificity and methods of using same for regulation of angiogenesis Jun. 26, 2012
8206738 Hydrogel compositions with an erodible backing member Jun. 26, 2012
8202833 Composition containing biocompatible polymerization accelerator and polymerizable material Jun. 19, 2012
8202548 Chlorine dioxide gel and associated methods Jun. 19, 2012
8198292 Vinpocetine and eburnamonine derivatives for promoting bone growth, treating renal damage and cancer, and devices thereof Jun. 12, 2012
8198087 Tissue engineering support Jun. 12, 2012
8192760 Methods and compositions for treating tissue using silk proteins Jun. 5, 2012
8192759 Matrix made of polyester polymers entangled with hyaluronic polymers useful for supporting tissue repair Jun. 5, 2012
8192756 Gastric retained gabapentin dosage form Jun. 5, 2012
8192751 Composition for promoting bone regeneration and restoration Jun. 5, 2012
8192722 Abuse-proof dosage form Jun. 5, 2012
8192485 Reversible hydrogel systems and methods therefor Jun. 5, 2012
8188065 Boldine compounds for promoting bone growth May. 29, 2012

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