Open patent services

World Patent Information

Volumn 28, Issue 4, 2006, Pages 296-304

  Kallas, Peter ^a  

^a BASF SE   (Germany)

Author keywords

esp@cenet ; European Patent Office, EPO; German Patent and Trademark Office, GPTO; Open Patent Services, OPS

Indexed keywords

EID: 33750975098     PISSN: 01722190     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.wpi.2006.03.007     Document Type: Article

References (2)

1. http://ops,espacenet.com.
2. CA 58/04. Strategy suggested by the EPO patent information survey, 1 April 2004. p. 3.