Perstorp Ab

International Business Machines Corporation

Telefonaktiebolaget Lm Ericsson (publ)

Pharmacia Biotech Ab

Anders Hult

Eva Malmstrom

Hiroshi Ito

Scott Arthur MacDonald

Carlton G Willson

Mats Robertsson

Kent Sorensen

Nicola Rehnberg

Mats Johansson

Claire Pitois

Jan-Olof Johansson

Helen Magnusson

Lennart Kanggedal

Anna Sylwan

A hyperbranched dendritic polyether, which optionally is further processed, such as further chain extended, chain terminated and/or functionalised. The hyperbranched dendritic polyether is obtained in a process comprising the step of thermally initiated cationic ring-opening polymerisation of at least one oxetane having at least two reactive groups of which at least one is an oxetane group. The thermally initiated ring-opening polymerisation is performed using an effective amount of at least one initiator, such as a thermal onium salt, a Lewis acid and/or a Br&oslash;nsted acid. The terminal groups in said hyperbranched dendritic polyether are substantially hydroxyl groups and used for said optional further processing.

Hyperbranched dendritic polyether and process for manufacture thereof

The present invention relates to a device for guiding light, made from a polymer material comprising different monomers arranged into a random copolymer. The random copolymer comprises at least one monomer with at least one epoxy group and at least one different monomer which is of vinyl monomer type.

Polymer optical guide made from a monomer with at least one epoxy group

Method for electrophoretic separation of nucleic acid fragments comprising the following steps:

Method for electrophoretic separation

Dendritic macromolecule and process for preparation thereof

Negative relief images are generated by a process comprising the use of cationic polymerization and plasma etching.

Process for preparing negative relief images with cationic

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Taby, Sweden

Anders Hult