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ROWELL LAB INC

Overview
  • Total Patents
    26
About

ROWELL LAB INC has a total of 26 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets macromolecular chemistry and polymers, pharmaceuticals and machines are WU ZHIYUN, LI BAOJI and MEGAPRO BIOMEDICAL CO LTD.

Patent filings per year

Chart showing ROWELL LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Powell David R 20
#2 Patel Vithal K 20
#3 Patel V K 2
#4 Powell D R 2

Latest patents

Publication Filing date Title
US4657900A Pharmaceutical article of manufacture comprising a bisulfite stabilized aqueous solution of 5-aminosalicylic acid and method
US4539198A Solid pharmaceutical formulations for slow, zero order release via controlled surface erosion: expanded range
US4361545A Solid pharmaceutical formulations for slow, zero order release via controlled surface erosion
CA1158979A Solid pharmaceutical formulations for slow zero order release via controlled surface erosion
US4321263A Psyllium compositions
US4264573A Pharmaceutical formulation for slow release via controlled surface erosion