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Class Information
Number: 424/489
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)
Description: Subject matter in which the special physical form is a coated or impregnated particle.


Sub-classes under this class:

Class Number Class Name Patents
424/490 Coated (e.g., microcapsules) 1,460
424/500 Contains natural gums and resins 184
424/499 Contains proteins or derivative or polysaccharides or derivative 1,070
424/501 Contains solid synthetic resin 708
424/502 Contains waxes, higher fatty acids, higher fatty alcohols 427


Patents under this class:

Patent Number Title Of Patent Date Issued
7279182 Formulation for spray-drying large porous particles Oct. 9, 2007
7279181 Method for preparation of particles from solution-in-supercritical fluid or compressed gas emulsions Oct. 9, 2007
7279180 Stable emulsions and dry powders of mixtures of fat-soluble vitamins, their preparation and use Oct. 9, 2007
7278843 Methods for fine powder formation Oct. 9, 2007
7276254 Emulsion/aggregation polymeric microspheres for biomedical applications and methods of making same Oct. 2, 2007
7276253 Stable drug form for oral administration with benzimidazole derivatives as active ingredient and process for the preparation thereof Oct. 2, 2007
7276251 Sustained-release composition of drugs encapsulated in microparticles of hyaluronic acid Oct. 2, 2007
7276249 Nanoparticulate fibrate formulations Oct. 2, 2007
7276190 Process for the production of micro and/or nano particles Oct. 2, 2007
7273624 Stable dosage forms containing ubiquinones Sep. 25, 2007
7273623 Process for preparing tannate tablet, capsule or other solid dosage forms Sep. 25, 2007
7273618 Method for administering agents to the central nervous system Sep. 25, 2007
7273604 Anti-asthmatic combinations comprising surface active phospholipids Sep. 25, 2007
7273521 Method of producing granulated calcium carbonate/calcium phosphate composite materials with very high calcium to phosphate mole ratios Sep. 25, 2007
7270832 Colloidal suspension of submicronic particles for carrying active principles and their mode of preparation Sep. 18, 2007
RE39847 Method of treating a systemic disease Sep. 18, 2007
7267813 Inhalation particles incorporating a combination of two or more active ingredients Sep. 11, 2007
7264825 Pharmaceutical preparation with retarding active ingredient release, method for its production and its use Sep. 4, 2007
7264791 Method for preparing technetium-labeled antimony sulfide nanocolloid Sep. 4, 2007
7258874 Controlled release ceramic particles, compositions thereof, processes of preparation and methods of use Aug. 21, 2007
7258873 Preservation of bioactive materials by spray drying Aug. 21, 2007
7258872 Chromone enteric release formulation Aug. 21, 2007
7258850 Methods and compositions for treating erectile dysfunction Aug. 21, 2007
7255881 Metal-containing materials Aug. 14, 2007
7255878 Stable benzimidazole formulation Aug. 14, 2007
7255877 Fenofibrate microparticles Aug. 14, 2007
7252841 Rapid setting calcium phosphate cements Aug. 7, 2007
7252840 Use of simple amino acids to form porous particles Aug. 7, 2007
7250176 Method of treating a bacterial infection Jul. 31, 2007
7247319 Preparation of microparticles having improved flowability Jul. 24, 2007
7247318 Controlled release formulations having rapid onset and rapid decline of effective plasma drug concentrations Jul. 24, 2007
7247317 Compositions comprising phenylaminothiophenacetic acid derivatives for the treatment of acute or adult respiratory distress syndrome (ARDS) and infant respiratory distress syndrome (IRDS) Jul. 24, 2007
7247312 Sustained-release drug formulations for implantation Jul. 24, 2007
7244742 Pharmaceutical compositions for inhalation containing an anticholinergic, corticosteroid and betamimetic Jul. 17, 2007
7244451 Methods of making nanoparticulate drug compositions comprising copolymers of vinyl pyrrolidone and vinyl acetate as surface stabilizers Jul. 17, 2007
7244439 Cosmetic composition Jul. 17, 2007
7241813 End-capped polymers and compositions containing such compounds Jul. 10, 2007
7241459 Polymers containing bioactive glass with antimicrobial effect Jul. 10, 2007
7241458 Antiviral compositions Jul. 10, 2007
7238371 Triggered release from proteinoid microspheres Jul. 3, 2007
7238370 Method and composition to prevent and treat photoaging of skin Jul. 3, 2007
7238366 Submicron liposome suspensions obtained from preliposome lyophilizates Jul. 3, 2007
7238364 Compliant tissue sealants Jul. 3, 2007
RE39713 Polymerizable biodegradable polymers including carbonate or dioxanone linkages Jul. 3, 2007
7235527 Protein and process for producing the same Jun. 26, 2007
7235297 Amphiphile solid support for peptide synthesis, bioorganic and organic chemistry Jun. 26, 2007
7235260 Pharmaceutical compositions of a sparingly soluble glycogen phosphorylase inhibitor Jun. 26, 2007
7235228 Fluorescent-magnetic nanoparticles with core-shell structure Jun. 26, 2007
7232577 Readily dispersible dietary fiber composition Jun. 19, 2007
7229645 Spray freeze-dried compositions Jun. 12, 2007



 
 
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