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SINCLAIR KOPPERS CO

Overview
  • Total Patents
    158
About

SINCLAIR KOPPERS CO has a total of 158 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, France and Germany. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and packaging and shipping are PROD SYNTHETIQUES APPLIQUES, NIPPON EKIKA SEIKEI KK and PLAX CORP.

Patent filings in countries

World map showing SINCLAIR KOPPERS COs patent filings in countries

Patent filings per year

Chart showing SINCLAIR KOPPERS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Immel R 12
#2 Immel Richard H 9
#3 Wright H 8
#4 Andrews James M 5
#5 Gaylor Robert B Jr 4
#6 Patton James R 4
#7 Wright Harold A 4
#8 Guziak L 4
#9 Scheuring George R 3
#10 Galizia E 3

Latest patents

Publication Filing date Title
US3766189A Fire retardant latex containing chlorinated paraffin wax
US3766112A Latex for high gloss floor polish formulations
US3784498A Process for preparing low emulsifier synthetic latex
DE2204228A1 METHOD OF MANUFACTURING EXPANDABLE POLYSTYRENE PARTICLES
US3700639A Crystalline polystyrene products
US3755282A Suspension polymerization of vinyl aromatic monomers in the presence of unsaturated carboxylic acid
FR2091252A5 Flame retarding latex polymer compsn - contg mineral colloid and arylvinyl monomer/diolefin copolymer
US3742103A Method for preparing and molding expandable, non-equimolar styrene-maleic acid half ester copolymer particles
ES389889A1 A procedure for the preparation of particles for foamed thermoplastic polymer packaging. (Machine-translation by Google Translate, not legally binding)
DE2111063A1 Self-extinguishing polymer preparations
US3711436A Floor polish composition having improved initial water and detergent resistance
ES388699A1 An apparatus for partially expansion of polymer particles capable of forming foam, finally divided. (Machine-translation by Google Translate, not legally binding)
US3704081A Vacuum mold for making foamed polymeric articles
US3724976A Fluid distributor for use in extruding foamed polymeric materials
US3671026A Device for expansion of expandable polymer beads
US3728418A Blend of styrene polymers for use in floor polish compositions
US3697454A Foamed polymer particles of distinctive shape and method of making same
US3649610A Process for the polymerization of vinyl aromatic monomers in aqueous suspension
US3631014A Suspension polymerization process
US3601277A Disposable food tray