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ANDREWS PAPER & CHEM CO INC

Overview
  • Total Patents
    39
About

ANDREWS PAPER & CHEM CO INC has a total of 39 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets optics, textiles and paper and machines are SCHOELLER F JUN GMBH CO KG, SCHOELLER FELIX JUN and SCHOELLER FELIX JUN FA.

Patent filings in countries

World map showing ANDREWS PAPER & CHEM CO INCs patent filings in countries

Patent filings per year

Chart showing ANDREWS PAPER & CHEM CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Muller Peter 27
#2 Mustacchi Henry 13
#3 Peter Muller 4
#4 Kreicas Leonard 4
#5 Schmitz George 3
#6 Gusmano Arthur 3
#7 Jahoda Edward 3
#8 Muller P 2
#9 Edward Jahoda 2
#10 Gonzalez Ronny L 1

Latest patents

Publication Filing date Title
US6080521A Universal diazotype precoat for application to base papers with acidic or alkaline sizing
US5102730A Erasable reproduction material
EP0277273A1 Diazotype compositions
US4792515A Erasable diazotype material
US4743524A Diazotype composition with a non-migrating yellow coupler of controlled coupling energy
US4569888A Transparentized paper sheet
EP0122523A2 Diazotype compositions and materials
US4478926A Zinc sulfonates and their use in diazotypy
US4403028A Light sensitive diazonium salts and diazotype materials
US4416950A Transparent fibrous sheets
DE3202208A1 Photosensitive diazonium salts, processes for their preparation, and diazotype materials
US4401744A Diazotype compositions with improved printing performance
US4343884A Diazotype developing process and acidic developer with amine base salt
US4271227A Transparent fibrous sheets and process for making
US4241690A Apparatus for coating moving webs
CA1014403A Diazotype reproduction layer formed from matrix of spheric particle plastic pigment and diazotype components and method therefor
US3996056A Diazotype reproduction layer formed from matrix of spheric particle polystyrene pigment and diazotype components
GB1469941A Diazotype reproduction layer
US3923518A Erasable diazotype material with vinyl chloride and methyl acrylate copolymer interlayer
US3813261A Transparentized fibrous materials and process for making same