Derwent Chemistry Resource (DCR) - STN International

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Agenda • What is the Derwent World Patents Index ® (DWPI SM ) Chemistry Resource (DCR)? • How to search DCR • How to refine DCR searches • How to run a multifile structure search including DWPI/DCR and CAS files 2
What is DWPI Chemistry Resource? • DCR is a chemical structure database covering specific chemical structures indexed in DWPI bibliographic patent records • An integral part of DWPI on STN since 1999 • Available to all users of DWPI DCR 19,500,000+ patent records 1,600,000+ substance records 3
Page 1: Searching in DWPI Chemistry Resourc
Page 5 and 6: DWPI provides bibliographic patent
Page 7 and 8: DCR numbers form the connection bet
Page 9 and 10: Searching DCR numbers • Use the f
Page 11 and 12: Which compound types are in DCR?
Page 13 and 14: The DWPI ALLSTR display format •
Page 15 and 16: Example: ALLSTR format (cont.) AN.S
Page 17 and 18: Important search options for DCR se
Page 19 and 20: DCR provides several chemical name
Page 21 and 22: Chemical Name Searching (/CN) Searc
Page 23 and 24: DCR is a useful source for synonyms
Page 25 and 26: DCR is a useful source for synonyms
Page 27 and 28: Example: combining name segment (/C
Page 29 and 30: DWPI standard structure search opti
Page 31 and 32: DWPI structure search example Searc
Page 33 and 34: Upload the structure query to DWPI
Page 35 and 36: => D SCAN Review some answers using
Page 37 and 38: Retrieve and display DWPI patent re
Page 39 and 40: DCR searches can be refined using a
Page 41 and 42: HELP ROLES provides all roles which
Page 43 and 44: Example of DCR role searching: Use
Page 45 and 46: Agenda • What is the Derwent Worl
Page 47 and 48: Multifile structure search example:
Page 49 and 50: => S L1 FAM SAM . . . . Multifile s
Page 51 and 52: => FILE MARPAT => S L3 CSS SAM . .
Page 53 and 54:
=> FILE WPINDEX => S L1 FAM SAM . .
Page 55 and 56:
Multifile search: duplicate removal
Page 57 and 58:
Multifile search: DWPI display (con
Page 59 and 60:
Why are both the CAS files and Derw
Page 61 and 62:
Summary • DWPI Chemistry Resource
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Derwent Chemistry Resource (DCR) - STN International

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