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SIGNA CHEMISTRY LLC

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    230,747
About

SIGNA CHEMISTRY LLC has a total of 21 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Canada, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets materials and metallurgy, environmental technology and organic fine chemistry are AZOTE & PROD CHIM, JAN DENG-YANG and OHNO HIROMOTO.

Patent filings per year

Chart showing SIGNA CHEMISTRY LLCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dye James L 17
#2 Lefenfeld Michael 17
#3 Jackson James 4
#4 Nandi Partha 4
#5 Partha Nandi 2
#6 Costanzo Michael J 2
#7 James Jackson 2
#8 Vogt Paul F 2
#9 Patel Mitul N 2
#10 Michael Lefenfeld 1

Latest patents

Publication Filing date Title
EP2268655A2 Birch reduction of steroid substrates via alkali metal-silica gel materials
WO2008131270A1 Method for generating alkali metal phosphides through reduction of tri-substituted phosphines with alkali metal porous oxide compositions
CN101060928A Titanium oxide and alumina alkali metal compositions
CN101031507A Silicide compositions containing alkali metals and methods of making the same