Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Porous polymeric material with gradients

Porous polymeric material with gradients

US Patent 5728457 · Granted Mar 17, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Acid-degradable and bioerodible modified polyhydroxylated materials2021
Acid-degradable and bioerodible modified polyhydroxylated materials2017
End-group-directed self-assembly of organic compounds useful for photovoltaic ap2016
Surface tension mediated conversion of light to work2014
Microcapsule and methods of making and using microcapsules2014
Oligomer functionalized nanotubes and composites formed therewith2014
Extraction of anions from solutions and mixtures using hyperbranched macromolecu2012
Main chain acid-degradable polymers for the delivery of bioactive materials2012
Compounds containing a thiol protected group bonded to a protecting group via a 2010
Microgel particles for the delivery of bioactive materials2010
Home and personal care compositions comprising silicon-based lubricants2008
Photoinitiated grafting of porous polymer monoliths and thermoplastic polymers f2008