IP Verse

Basf Aktiengesellschaft opposition analysis

COMPANY ANALYSIS

Patent:

Grant Date:

Jul 29, 2020

Title:

Polysulphones And Polyether Sulphones With Reduced Yellow Index And Processes For Their Preparation

Oppositions:

Patent:

Grant Date:

Sep 11, 2019

Title:

Process For Regenerating Ruthenium Catalysts Which Are Suitable For Hydrogenation

Oppositions:

Patent:

Grant Date:

Aug 15, 2018

Title:

Method For Producing Polyisobutenylphenols

Oppositions:

Patent:

Grant Date:

Jan 10, 2018

Title:

Continuous Method For The Production Of Linear Pentene Nitriles

Oppositions:

Patent:

Grant Date:

Jul 5, 2017

Title:

Polymer-Pigment Hybrids For Use In Papermaking

Oppositions:

Patent Number	Grant Date	Title	Total Oppositions
EP2035484	Jul 29, 2020	Polysulphones And Polyether Sulphones With Reduced Yellow Index And Processes For Their Preparation	1
EP2049253	Sep 11, 2019	Process For Regenerating Ruthenium Catalysts Which Are Suitable For Hydrogenation	1
EP1713838	Aug 15, 2018	Method For Producing Polyisobutenylphenols	1
EP1716103	Jan 10, 2018	Continuous Method For The Production Of Linear Pentene Nitriles	1
EP1891269	Jul 5, 2017	Polymer-Pigment Hybrids For Use In Papermaking	1

AFTON CHEMICAL CORPORATION

EVONIK OPERATIONS GMBH

INVISTA TECHNOLOGIES S.A R.L.

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