New on STN
July 2010
CAS coverage of global patent authorities has expanded to 61 with the addition of Costa Rica
Databases in Focus
Chemical Abstracts Plus
(CAplusSM) and CAS REGISTRYSM
STN Interface Comparison Sheet
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| Web access to sci-tech | The power of STN with the convenience of the Web for the experienced searcher | Comprehensive desktop access for the experienced online searcher |
Databases |
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Quantity | >100 | >200 | >200 |
Searching for sci-tech Info. | yes | yes | yes |
Searching for Patents | yes | yes | yes |
Searching for Chem. Substances | via | via | via |
Searching for Biosequences | no | yes | yes |
Access |
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Software Needed | Web browser | Web browser | STN Express with Discover! |
Telecommunications | Internet (TCP/IP) | Internet (TCP/IP) | Dial-up or Telnet (Internet) |
Security | secure socket option (https:) | secure socket option (https:) | via SOCKS and SSL |
IPAA (IP Adresss Authoriz.) |
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Intranets Solution |
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STN Account | STN Easy Account or STN Account | STN Account | STN Account |
Search Features |
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Search Language | menu-driven multi-language interface (4 search modes: Easy, Advanced, CAS Number, Patent Lookup) | STN retrieval language | STN retrieval language |
Assistants / Wizards | menu-driven | yes, e.g.: Search, Results, Patents, Alerts (SDI), Sequence, Structure, Commandfile, Transcript | yes, e.g.: Search/Refine, Display, Alerts (SDI), Analyze Answers, RNumbers, PNumbers |
Current awareness Alert (SDIs) | no (but available in STN Easy for Intranets) | yes (incl. SDI Assistant) | yes (incl. SDI Wizard) |
Search Operators | Boolean | Proximity, Numeric, Boolean | Proximity, Numeric, Boolean |
Multifile Searching | yes | yes | yes |
Relevance Ranking | yes | yes | yes |
Duplicate Removal | no (but duplicate identification) | yes | yes |
Refining Search Results | yes | yes | yes |
Display Features |
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Display Options | predefined formats | full range (flexible) | full range (flexible) |
Graphics | yes (integrated in text) | yes (integrated in text) | yes |
Full -Text Option | yes | yes (even in transcript) | yes (even in transcript) |
Hypertext Links | yes, e.g. Citation Searching, Cited References, Indexed Substances in Document | yes, e.g. Registry Number links, Patent Number links, Citation Searching, URLs, Help messages, Links between Derwent Records | yes, e.g. Registry Number links, Patent Number links, URLs |
Transcript Features |
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Transcript Formats | html, pdf, rtf | html (zip,exe), rtf (zip,exe,rtf), pdf | trn, rtf |
Transcript Availability | 4 days | 4 days | n/a (saved locally) |
Postprocessing | no | Results (rtf) can be postprocessed with STN Express 6.01 and higher for Windows | Custom Table Tool, Custom Report Tool, Predefined Report Tools and Predefined Table Tools (rtf, html, xls, txt) |
Technical Requirements |
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Operating System | Windows 95, 98, NT, ME, 2000, XP (Microsoft I.E. 5.0; 5.5; 6.0 or Netscape Communicator 4.5, 4.6x, 4.7x, 6.1, 6.2), Macintosh (Internet Explorer 5.0, 5.1), all with JavaScript enabled. Java for 3-D molecules | Netscape Navigator 4.x and higher (Windows 95, 98, ME, NT, 2000, XP; Mac, Unix), or Microsoft I.E. 4.x and higher (Windows 95, 98, ME, NT, 2000, XP: 4.x/ 5.x; Mac: 4.x; Unix), with JavaScript enabled | |
Costs |
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Pricing | flat charge per search and file specific display charges (free refine) | Standard STN pricing: pay-as-you-go, including connect hour, search term and display charges | Standard STN pricing: pay-as-you-go, including connect hour, search term and display charges |
Academic Discounts | yes | yes | yes |
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For more Information | STN on the Web-Website |
