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New on STN

March 2020

STN Database Updates continue as usual

March 2020

European Patent Office warns about possible delays in data delivery due to the Corona Crisis

March 2020

First 2020 Update to Emtree Now Available on STN(R)

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News Messages 2018

MARPAT Search Algorithm Updated 14. December 2018

To increase the precision of MARPAT® answer sets while retaining comprehensiveness, the MARPAT search algorithm is being improved effective December 15, 2018. This enhancement means that your STNext®, STN Express® and STN® on the WebSM searching will now be more efficient.

Updates in RAPRA are resuming 22. November 2018

The renowned producer of value-add databases WTI-Frankfurt has acquired the Polymer Library – file RAPRA - from SMITHERS and production has resumed. Data since June 2018 has been added to the database to close the gap and updates will now continue with the usual frequency. If you have not deleted...

Derwent Markush Resource (DWPIM) now available on STNext™ integrated in the classic STN workflow 01. October 2018

DWPIM has been implemented on STNext as a structure-based database encompassing more than 2.1 million Markush structures from 890,000 Derwent World Patents Index® (DWPISM) documents. It includes many features to ensure efficient searching and evaluation of results: Markush structure searching...

Third Emtree(R) Thesaurus Update Now Available in Embase 07. September 2018

The third Emtree thesaurus release for 2018 is now available within Embase(TM). Now totaling 81,735 preferred terms and over 355,000 synonyms, Emtree added 766 new terms.Of the new terms added, 67 are drug terms, allowing you to keep up-to-date with the latest developments in the terminology of and...

STN(R) Reflects Second Update to Emtree(R) Thesaurus for 2018 28. May 2018

The second Emtree thesaurus release for 2018 is now available within Embase(TM). Now totaling 81,003 preferred terms and over 355,000 synonyms, this new version includes 1,019 more preferred terms compared to the previous version released January 2018. Of the 1,104 new terms (which includes 85...

CCI Now Searchable in CAS REGISTRY(SM) 03. April 2018

As part of STN’s ongoing efforts to make your searching capabilities as comprehensive as possible, STN has made the Component Class Identifiers (/CCI) field in CAS REGISTRY searchable. This latest update is good news for anyone working with multi-component substances, and applies to the entire...

Chinese dual filings are now linked within DWPI families 09. February 2018

A long-requested enhancement to the Derwent World Patents Index hasnow been implemented – the handling of Chinese dual filings. This is an important development which will mean more efficient and accurate searching.   Since 2009, under Article 9 of the amended Chinese patent law, it has been...

First Emtree Thesaurus for 2018 Now Available in Embase 05. February 2018

The first Emtree thesaurus release for 2018 is now available within Embase TM. Now totaling 79,984 preferred terms and 347,000 synonyms, this new version includes 1,397 new terms compared to the previous version released in September 2017. The new Emtree version also incorporates terms added to the...

The 2018 version of MEDLINE now available on STN 30. January 2018

The 2018 MEDLINE reload was completed on January 27, 2018. The 2018 MeSH thesaurus is available as a source of terminology for your searches. This year 113 MeSH headings were either changed or deleted and replaced with more up-to-date terminology. Please review your Alert (SDI) strategies or saved...

DWPI Manual Code revision 2018 15. January 2018

From DWPI update 201801 onwards the DWPI Manual Codes will be indexed with the revised 2018 set of codes. The Manual Codes are revised at the start of each year to include new codes suggested by customers as well as the patent analysts at Clarivate Analytics. For the 2018 revision, 36 new Manual...