Oakwood Laboratories, L.L.C. The company is a privately owned specialty pharmaceutical company focused on the design, development and commercial manufacture of sterile injectable sustained release pharmaceuticals. This unique class of products delivers therapeutic levels of drug to patients over days, weeks, months or even years with a single intramuscular or subcutaneous injection. Products of this class have extremely high commercial potential. The company developed and owns a patented microsphere-based drug delivery platform called Chroniject to produce sustained release injectables. This technology employs a continuous aseptic process.