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WITCO VINYL ADDITIVES GMBH

Overview
  • Total Patents
    71
About

WITCO VINYL ADDITIVES GMBH has a total of 71 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, EPO (European Patent Office) and Taiwan. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and basic materials chemistry are CARSTAB CORP, CHEMTURA VINYL ADDITIVES GMBH and ARGUS CHEM.

Patent filings in countries

World map showing WITCO VINYL ADDITIVES GMBHs patent filings in countries

Patent filings per year

Chart showing WITCO VINYL ADDITIVES GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wehner Wolfgang 45
#2 Friedrich Hans-Helmut 25
#3 Drewes Rolf 15
#4 Kuhn Karl Josef 14
#5 Zinke Horst 13
#6 Malzacher Kornelia 10
#7 Wehner Wolfgang Dr 9
#8 Kolb Markus 7
#9 Hans-Helmut Friedrich 5
#10 Kaufhold Johannes 5

Latest patents

Publication Filing date Title
AU5832899A Stabiliser combinations for chlorine-containing polymers
IL131154D0 Pyrrolodiazine derivatives as stabilizers for chlorine-containing polymers
DE19915388A1 4-aminopyrimidinones and oxazolidino-4-aminopyrimidinones, processes for their preparation and their use for stabilizing halogen-containing polymers
EP0967245A1 1,3 substituted 6-aminouraciles to stabilize halogenated polymers
US6002004A Pyrrolodiazine derivatives as stabilizers for chilorine-containing polymers
ES2154111A1 Monomeros and oligomeros bisfosfitos as poli stabilizers (vinyl chloride).
US5969015A Monomeric and oligomeric bisphosphites as stabilisers for polyvinyl chloride
US6013703A Stabilizer combination for chlorine-containing polymers
TW505676B Stabiliser combination for chlorine-containing polymers
TW411352B Composition of containing a stabilised halogen-containing polymer
US5985964A Stabilized polyvinyl chloride containing recycled material
EP0743339A1 Stabilised CPVC (chlorinated PVC)
TW426681B Process for the preparation of pyrrolodiazine derivatives as stabilizers for chlorine containing polymers
TW424105B Stabilized polvvinvl chloride
EP0776346A1 Stabilised pvdc-containing pvc
EP0677551A2 Stabilised soft PVC
EP0658594A1 Stabilizer for chlorine-containing polymers
EP0577554A1 Process for the preparation of diorganotin-dicarboxylates
EP0577553A1 Process for the preparation of diorganotin-mercaptocarboxylates