Coating processes – Particles – flakes – or granules coated or encapsulated
Reexamination Certificate
2006-01-17
2006-01-17
Acquah, Samuel A. (Department: 1711)
Coating processes
Particles, flakes, or granules coated or encapsulated
C427S212000, C427S213330, C427S222000, C427S372200, C427S385500, C428S403000, C428S407000, C428S423100, C424S001290
Reexamination Certificate
active
06986913
ABSTRACT:
A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 μm with at least one polyisocyanate and at least one diol or at least one epoxide.
REFERENCES:
patent: 4054452 (1977-10-01), Schlesinger et al.
patent: 4352884 (1982-10-01), Nakashima et al.
patent: 4654267 (1987-03-01), Ugelstad et al.
patent: 4827945 (1989-05-01), Groman et al.
patent: 5091206 (1992-02-01), Wang et al.
patent: 5395688 (1995-03-01), Wang et al.
patent: 6013531 (2000-01-01), Wang et al.
patent: 6133047 (2000-10-01), Elaissari et al.
patent: WO 89/04373 (1989-05-01), None
patent: WO 90/10696 (1990-09-01), None
patent: WO 96/40502 (1996-12-01), None
patent: WO 2004/053490 (2004-06-01), None
patent: WO2004/053490 (2004-06-01), None
Partial International Search Report dated Nov. 8, 2004.
International Search Report, dated Nov. 11, 2004; 4 pages.
Aksnes Elin Marie
Berge Arvid Trygve
Bjorgum Jon Olav
Fonnum Geir
Hofsløkken Nini Kjus
Acquah Samuel A.
Dynal Biotech ASA
Ohlandt Greeley Ruggiero & Perle
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