Back to The Emergence of Tissue Engineering as a Research Field Bibliometric Analysis of Core Papers Fundamental to Tissue Engineering |
Back to Table of Contents View PDF of this document (35 Kb) Appendix 2 - Patent filter used in USPTO system (09/26/01)International patent subclasses used as a broad screen: ====== AND any of the following title/abstract/claim words (* is a wildcard) ====== (all tissue types)
====== AND any of the following title/abstract/claim words ====== (core technology is to grow 3D tissue) ====== AND NOT any of the following title/abstract/claim words ====== (to kick out drug delivery, etc.) =============OR=============== IPCs listed above ANDED with |