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PHARMACEUTICAL DELIVERY SYSTEM

Overview
  • Total Patents
    16
About

PHARMACEUTICAL DELIVERY SYSTEM has a total of 16 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets pharmaceuticals, macromolecular chemistry and polymers and medical technology are PHAGELUX CANADA INC, BIOARTIFICIAL GEL TECHNOLOGIES INC and ZHOU HUAJIAN.

Patent filings per year

Chart showing PHARMACEUTICAL DELIVERY SYSTEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ng Steve Y W 16
#2 Heller Jorge 16
#3 Penhale Donald W H 5

Latest patents

Publication Filing date Title
US5461140A Bioerodible polymers for solid controlled release pharmaceutical compositions
WO9300383A1 Pulsed release of high molecular weight therapeutic agents from bioerodible polymer compositions
CA2024130A1 Bioerodible polymers useful for the controlled release of therapeutic agents
EP0489843A1 Bioerodible polymers useful for the controlled release of therapeutic agents
US5030457A Bioerodible polymers useful for the controlled release of therapeutic agents
US5013821A Ortho and thio-ortho ester polymer
US4946931A Polymers containing carboxy-ortho ester and ortho ester linkages
US4957998A Polymers containing acetal, carboxy-acetal, ortho ester and carboxyortho ester linkages