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PROTOTEK INC

Overview
  • Total Patents
    30
About

PROTOTEK INC has a total of 30 patent applications. Its first patent ever was published in 1987. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and environmental technology are ZERIA PHARM CO LTD, SMITHKLINE BEECHAMP P L C and GALILEO LAB INC.

Patent filings per year

Chart showing PROTOTEK INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Robert E 23
#2 Zimmerman Mary P 19
#3 Palmer James T 6
#4 Bissell Eugene R 4
#5 Becker Mark W 4
#6 Becker Mark 2
#7 Rasnick David W 1
#8 Cho Kyujin 1
#9 Bissell Eugene 1

Latest patents

Publication Filing date Title
AU3224997A Prodrugs of thalidomide and methods for using same as modulators of t-cell function
US5714484A α-(1,3-dicarbonylenol ether) methyl ketones as cysteine protease inhibitors
US5486623A Cysteine protease inhibitors containing heterocyclic leaving groups
US5374623A Cysteine protease inhibitors effective for in vivo use
US5210272A Process for forming a fluoromethyl ketone
US5101068A Magnesium fluoromalonates
US4908309A Method of detecting cysteine proteases