My Account
Search:
Quick/Number
Boolean
Advanced
Derwent
Help
My Account
|
Products
Search:
Quick/Number
Boolean
Advanced
Derwent
Help
Company History
|
Partners
|
Privacy Policy
|
News
|
Events
|
Web Seminars
|
Contact Us
Research Products:
»
Collections
»
Searching
«
»
Derwent
»
Patent Viewing
»
File Histories
»
Work Files
»
Saved Searches
»
Alerts
»
Corporate Tree
»
Snapshot
»
Citation Link
»
Clustering
»
PatentLab-II
»
PDF Express
»
Data Extract
»
Tracking
»
Other Services
Searching
Delphion gives you a wide variety of searching options to help you target exactly what you need:
Quick/Number
targeted word and number searching
Easy searching using
Boolean
operators
Intuitive
Advanced
query language capabilities
Browse Codes
options for drill-down discovery
Single-collection or
cross-collection
searching
Targeted Assignee name searching with
Corporate Tree
Derwent
search by Class, EPI Manual Codes, Derwent Accession Number, and a variety of other predefined fields from the
Derwent Number
,
Derwent Boolean
or
Derwent Advanced
search forms
At Delphion we work to earn your trust by taking extraordinary measures to ensure the
security & reliability
of all your searches and transactions.
Copyright © 1997-2008 The Thomson Corporation
Subscriptions
|
Web Seminars
|
Privacy
|
Terms & Conditions
|
Site Map
|
Contact Us
|
Help