Patent directory · USPTO A61K / A61P
Patents matching “spray”
16 pharma patents match "spray" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.
Quick answer
This filtered view shows 16 pharmaceutical patents matching "spray" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.
Patent results
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US 11612870
Microencapsulation of chemicals and bioactives by in situ complex coacervation during spray drying
granted -
US 11291672
Betamethasone oral spray formulation and method of use to treat ataxia
granted -
US 10610492
Spray dry method for encapsulation of biological moieties and chemicals in polymers cross-linked by multivalent ions for controlled release applications
granted -
US 10188811
Nasal spray device
granted -
US 9700519
Spray dry method for encapsulation of biological moieties and chemicals in polymers cross-linked by multivalent ions for controlled release applications
granted -
US 8647670
Biocompatible rapid-gelating hydrogel and associated preparation method of spray
granted -
US 8293275
Spray freeze dry of compositions for pulmonary administration
granted -
US 7972661
Electrospraying method with conductivity control
granted -
US 7279322
Electrospraying apparatus and method for coating particles
granted -
US 6862890
Process for production of nanoparticles and microparticles by spray freezing into liquid
expired -
US 6838075
Inhaleable spray dried 4-helix bundle protein powders having minimized aggregation
expired -
US 6746869
Electrospraying apparatus and method for coating particles
expired -
US 6569406
Inhaleable spray dried 4-helix bundle protein powders having minimized aggregation
expired -
US 6399362
Electrospraying apparatus and method for introducing material into cells
expired -
US 6093557
Electrospraying apparatus and method for introducing material into cells
expired -
US 6090368
Pharmaceutical compositions for intranasal spray administration of ketorolac tromethamine
expired