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Effective today, the list of CAS Roles has been streamlined to increase clarity and search efficiency

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News Messages 2001

CAS Roles modified	29. December 2001
CAS roles have been modified effective December 16, 2001. New CAS roles have been added and some general have been replaced with more precise roles. Please check your SDI (current-awareness) profiles to see if they need to be revised.

New Fields for DPCI	25. December 2001
Two new fields, the Citing Accession Number Count (OSC.G) and Cited Accession Number Count (OSC.D) are now available in the Derwent Patent Citation Index (file DPCI), as of December 3rd, 2001. The new fields are introduced as an extra tool to supplement the corresponding Citing and Cited Patent...

WPINDEX/WPIDS/WPIX new and revised	23. December 2001
Derwent have finalised the new Derwent Manual Codes which will be introduced into the Derwent World Patents Index (files WPINDEX/WPIDS/WPIX) from January 2002. The changes will be implemented from Derwent WPI Update 200201 onwards.

DGENE BLAST Homology Search	20. December 2001
FIZ Karlsruhe is pleased to announce the release of BLAST homology searching in file DGENE (Derwent Geneseq) from December 3rd, 2001. DGENE BLAST will supplement the existing specific code match module GETSEQ and FASTA-based homology module GETSIM, to provide DGENE users with a diverse and powerful...

File WELDASEARCH on STN	15. December 2001
WELDASEARCH, produced by Cambridge Scientific Abstracts, Bethesda, USA (Copyrigth Holder is The Welding (TWI), UK) is available on STN as of 2 December 2001.

File STANDARDS on STN	09. December 2001
STANDARDS, the international standards database, produced by Deutsches Informationszentrum fuer Technische Regeln (DITR) German Information Center for for Technical Rules, a division of DIN, the German Institute for Standardisation, is available on STN as of 2 December 2001.

VETU/VETB become OPEN ACCESS	28. November 2001
The Derwent Veterinary Drug File (files VETU and VETB will become OPEN ACCESS from January 2002. The files contain over 140,000 value-added references in the area of animal health and medicine, and will become available to all STN searchers. VETU and VETB are both static files, and together...

New file TOXCENTER(SM) on STN	25. November 2001
CAS is proud to offer TOXCENTER, a new toxicology file now available on STN. TOXCENTER, produced by CAS, provides information about important aspects of toxicology derived from the analysis of international pharmacological, biomedical, and biochemical effects of drugs, chemicals, and foods are...

New Search Capabilities USPATFULL and USPAT2	21. November 2001
USPAT2, a companion file to USPATFULL, is now available. In this new full text U.S. patent searching environment, USPATFULL contains the original or first publication and USPAT2 contains the latest publiction associated with a particular invention. USPAT2 contains full text for over 1,000 US patent...

US Provisional Numbers to be revised in WPI	17. November 2001
Derwent recently announced the revision of the NTIS publication and the US provisional application numbers. This revision serves to prevent ambiguities and number clashes arising from documents sharing the same document or application number.

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