Learn more

NORTHERN PETRO CHEM CO

Overview
  • Total Patents
    95
About

NORTHERN PETRO CHEM CO has a total of 95 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Japan and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and chemical engineering are INNOVENE MFG BELGIUM NV, SUNALLOMER LTD and PELLEGATTI GIAMPAOLO.

Patent filings in countries

World map showing NORTHERN PETRO CHEM COs patent filings in countries

Patent filings per year

Chart showing NORTHERN PETRO CHEM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Foerster Rolf Franz 13
#2 Fries Richard Warren 10
#3 Busse Paul Joseph 9
#4 Buehler Charles Kenneth 8
#5 Ross James Francis 7
#6 Foerster Rolf F 6
#7 Fries Richard W 4
#8 Rorufu Furantsu Fuoosutaa 4
#9 Buehler Charles K 4
#10 Swenson Robert A 3

Latest patents

Publication Filing date Title
JPH01308410A Copolymerization of ethylene
US4526883A Olefin polymerization catalyst activity by simultaneous olefin washing and addition of electron donor
US4513117A Process for conversion of vinyl copolymers to vinylic alcohol copolymers by homogeneous reaction with organometallic compounds
US4471064A Olefin polymerization catalyst activity by olefin washing and readdition of electron donor
US4471065A Olefin polymerization catalyst activity by olefin washing
US4457852A Anti-gel characteristics of silicate-containing antifreeze compositions
US4482638A In situ process for producing an alpha olefin polymerization catalyst component
US4426309A Antifreeze corrosion inhibitor composition for aluminum engines
US4463102A Polyolefin polymerization catalyst containing sterically unhindered phenolic compounds (II)
US4426318A Supported polyethylene polymerization catalysts utilizing substituted polystyrene resins
GB2109800A Benzoate ester-titanium halide coordination complex catalysts for the preparation of homopolymers and copolymers of alpha monoolefins
GB2109801A Polyolefin polymerization catalysts containing sterically unhindered phenolic compounds
GB2101495A Process for the removal of potassium from used ethylene oxide catalysts
US4375531A High impact visbroken polymeric blends
US4529780A Process for polymerizing alpha olefins with phenolic compound containing catalysts
US4407879A Method of producing a textured film
US4382870A Antifreeze corrosion inhibitor composition for aluminum engines
US4364852A Polyolefin catalysts containing heterocyclic carboxylic acid esters
US4292034A Partition folding and inserting machine
US3729420A Antifreeze compositions