Patent · US Active

Process for preparation of coated polymer particles containing superparamagnetic crystals

US8227262B2 · kind B2 · utility

1Cited by

7References

33Claims

0Family size

Assignee

Invitrogen Dynal AS · NO

Inventors

Geir Fonnum · Lørenskog, NO
Lars Kilaas · Trondheim, NO
Arvid Berge · Trondheim, NO
Tom-Nils Nilsen · Trondheim, NO
Ruth Schmid · Trondheim, NO
Grete Irene Modahl · Oslo, NO

Key dates

Filing date	Apr 16, 2009
Grant date	Jul 24, 2012
Priority date	—
Expiry date	Jan 21, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/143333
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter less than 0.5 μm with at least one polyisocyanate and at least one diol.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.