"Patent US4426330 - Synthetic phospholipid compounds - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsNovel synthetic phospholipid compounds, the compounds having the structural formula: ##STR1## where X is a hydrogen or alkyl group, n can vary from about 0 to 200, m can vary from 2 to 10, and R1 and R2 are saturated or unsaturated acyl rad" . . . . . .