A method of generating a temperature measurement for a batch or a continuous stream of material. The method includes providing a particle having a signal that changes at a pre-determined temperature; inserting the particle into the batch or continuous stream; and detecting a signal change from the particle...http://www.google.de/patents/US7004620?utm_source=gb-gplus-sharePatent US7004620 - Method and system for conservative evaluation, validation and monitoring of thermal processing
