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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Australia | 2 | |
#3 | Canada | 2 | |
#4 | Denmark | 2 | |
#5 | EPO (European Patent Office) | 2 | |
#6 | Spain | 2 | |
#7 | Italy | 2 | |
#8 | Norway | 2 | |
#9 | New Zealand | 2 | |
#10 | Argentina | 1 | |
#11 | Finland | 1 | |
#12 | Israel | 1 | |
#13 | WIPO (World Intellectual Property Organization) | 1 | |
#14 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Macromolecular chemistry and polymers | |
#2 | Pharmaceuticals | |
#3 | Machines | |
#4 | Electrical machinery and energy | |
#5 | Organic fine chemistry |
# | Name | Total Patents |
---|---|---|
#1 | Powell David R | 20 |
#2 | Patel Vithal K | 20 |
#3 | Patel V K | 2 |
#4 | Powell D R | 2 |
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 |