Inventor

SIKKEMA DOETZE JAKOB

NL18 patents

⚠️ This page may combine multiple inventors who share the name “SIKKEMA DOETZE JAKOB”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIKKEMA DOETZE JAKOB

DU PONT

Process for the production of polyarenazole polymer

Process for removing phosphorous from a fiber or yarn

Process for the production of polyarenazole yarn

Process for preparing monomer complexes

Processes for preparing high inherent viscosity polyareneazoles using metal powders

Processes for increasing polymer inherent viscosity

Thermal processes for increasing polyareneazole inherent viscosities

AKZO NOBEL NV

Process for dicarboxylating dihydric phenols

Process for preparing pyridine-2,6-diamines

Rigid rod polymer based on pyridobisimidazole

Nitration of pyridine-2, 6-diamines

MAGELLAN SYSTEMS INT LLC

Process for removing cations from polyareneazole fiber

Process for hydrolyzing polyphosphoric acid in a spun yarn

MXPOLYMERS B V

Polymers comprising sulfonated 2,6-diphenyl-1,4-phenylene oxide repeating units

Process for crosslinking a polymer comprising pyridyl groups

SIKKEMA DOETZE JAKOB

High inherent viscosity polymers and fibers therefrom

Phenol compounds and (co)polymers thereof

LOMMERTS BERT JAN

Use of a (1&gt;3)-β-D-glucan as an emulsion stabiliser

Use of a (1>3)-β-D-glucan as an emulsion stabiliser