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MEARL CORP

Overview
  • Total Patents
    172
About

MEARL CORP has a total of 172 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets machines, basic materials chemistry and materials and metallurgy are FRANCIS EARLE LAB INC, FU JIANSHENG and SPARKXIS B V.

Patent filings in countries

World map showing MEARL CORPs patent filings in countries

Patent filings per year

Chart showing MEARL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Armanini Louis 24
#2 Miller Harold A 15
#3 Cooper Scott A 11
#4 Pinsky Jules 10
#5 Greenberg Philip 8
#6 Sullivan William J 7
#7 Ruisu Aamanini 7
#8 Mattin Harry E 6
#9 Rieger Carl J 6
#10 Shetty Ramakrishna S 6

Latest patents

Publication Filing date Title
BR9604680A Method for preparing a nacreous mica pigment coated with metal oxide
US5837359A Satin and tinted satin iridescent films
US5753371A Pearlescent glass pigment
US5611851A Process for preparing unsupported metal oxide nacreous pigments
CA2137400A1 Rutile Titanium Dioxide Coated Micaceous Pigments Formed Without Tin
US5433779A Rutile titanium dioxide coated micaceous pigments formed without tin
CA2125316A1 Method for the manufacture of waferboard
US5451449A Colored iridescent film
US5423912A Weather resistant pearlescent pigments
US5376698A Polyolefin compositions containing coated mica particles to prevent yellowing and methods therefore
US5273576A Intensely colored pearlescent pigments
US5242614A Method of making soap bars with the appearance of finished wood grain
US5149369A Bismuth oxychloride nacreous pigment having improved weather fastness and the production thereof
US5156889A Process for stabilizing metal oxide-coated mica pigments against light and moisture
JPH05186706A Improved flaky pigment
US5246614A Colored extruded soap bars
US5154765A Decorative objects with multicolor effects
US5196131A Soap bars with the appearance of finished wood grain
JPH0317270A Substrate particle composition coated with titanium nitride
US5091011A Light and moisture resistant metal oxide-coated mica pigments