A. CLASSIFICATION OF SUBJECT MATTER 

I NV . 

ADD . 

According to International Patent Classification (IPC) or to both national classification and IPC 

B. FIELDS SEARCHED 

Minimum documentation searched (classification system followed by classification symbols) 

A6 1M 

A6 1M25/00 

## INTERNATIONAL SEARCH REPORT 

A6 1M25/0 1 

International application No 

PCT/US2020/024480 

Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched 

Electronic data base consulted during the international search (name of data base and, where practicable, search terms used) 

EPO - I nterna l , WPI Data 

