Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwestern Chemical Co
Northwestern Flavors Inc
Original Assignee
Northwestern Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/382,155external-prioritypatent/US5047100A/en
Application filed by Northwestern Chemical CofiledCriticalNorthwestern Chemical Co
Publication of CA2003380A1publicationCriticalpatent/CA2003380A1/fr
Procede de detection de changements dans un emballage, procede de localisation d'un emballage, emballage et systeme de localisation d'un emballage