Spray drying method and apparatus

5667806
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Inventors

Kantor, Martin L.

Application #

475882

Filed

Jun-7-1995

Published

Sep-16-1997

Current US Class

264/4.1
264/4.3
264/4.33
424/484
424/485
424/486
424/489
424/490
424/491
424/497
424/499

International Classes

A61K 009/16; A61K 009/50

Field of Search

424/484 424/485 424/486 424/489 424/490 424/491 424/497 424/499 264/4.1 264/4.3 264/4.33

Assignee

Emisphere Technologies, Inc. (Hawthorne, NY)

Examiners

Nutter; Nathan M.

Attorney, Agent or Firm

Darby & Darby

US Patent References

3937668   Method for incorpor...
3939253   Novel, transient pro...
3956172   Process for hardeni...
3962416   Preserved nutrients...
3976773   Piperazine diones
4035507   Novel, transient pro...
4048268   Stabilization method
4061466   Biologically active...
4117801   Apparatus for spra...
4147767   Albumin medicam...
4183849   Therapeutic insulin...
4199561   Coated nutrients an...
4217370   Lipid-containing fe...
4272506   Purification of reag...
4289759   Immunoregulatory...
4345588   Method of deliverin...
4348384   Pharmaceutical co...
4351337   Biodegradable, im...
4352883   Encapsulation of bi...
4357259   Method of incorpor...
4388304   Angiotensin-II anal...
4402856   Microcapsules with...
4442090   Absorption-promoti...
4446138   Method and compo...
4450150   Biodegradable, im...
4460563   Process for prepari...
4462839   Enteric coating for...
4462991   Method of increasi...
4473620   Encapsulated butyl...
4483807   Process for produci...
4492684   Slow release inject...
4518433   Enteric coating for...
4590265   Carboxylated cellul...
4608278   Small particule for...
4613500   Powdery pharmac...
4647455   Process for extracti...
4666641   Preparation of biod...
4671954   Microspheres for in...
4673566   Microencapsulatio...
4690786   Process for produci...
4692284   Method and appar...
4703042   Orally active hepar...
4708952   Method of treatment...
4745161   Soluble and biode...
4753804   Granular dietetic p...
4757007   Process for prepari...
4757024   Immune complex d...
4757066   Composition contai...
4766012   Microencapsulatio...
4774320   Synthetic peptide w...
4789734   Vitronectin specific...
4835312   Production process...
4837381   Compositions for p...
4844904   Liposome compositi...
4873087   Suppository prepar...
4886663   Synthetic heat-stabl...
4895725   Microencapsulatio...
4897444   Immobilized fluoro...
4900730   Preparation which...
4919939   Periodontal disease...
4925673   Delivery systems for...
4963364   Microencapsulated...
4976968   Anhydrous delivery...
4983402   Orally administera...
4996292   Self-sealing artifici...
5019400   Very low temperatu...
5039481   Aliphatic polycarb...
5055300   Time release protein
5066487   Antisudoral compo...
5067961   Non-biodegradabl...
5069936   Manufacturing prot...
5077278   Non-natural demet...
5100669   Polylactic acid type...
5100918   Prevention or treat...
5122367   Polyanhydride bio...
5126147   Sustained release d...
5137892   Quinoline, naphthy...
5186947   Wood preservative...
5204099   Cosmetic compositi...
5206384   Actinonin derivativ...
5216124   Substituted cyclic te...
5244653   Glycine anhydride...
5250236   Method for produci...
5271934   Encapsulated antip...
5271961   Method for produci...
5278148   Amino acid derivat...
5328992   Metal complexes of...
5352461   Self assembling di...
5389379   Process for the pre...
 

Referenced by:

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Abstract
Methods for preparing microspheres are provided. A carrier vehicle and a precipitator are nebulized and contacted. Alternatively, a carrier is nebulized in an aqueous acid and the concentration of the acid is decreased. Apparatus are also provided.