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Fast, focused
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technology
searching
Chemical Patents Index
Chemical patent data from the Derwent World Patents Index® (DWPI)
>>
What it can help you do >>
What you can access >>
• Retrieve relevant patents quickly and accurately
• DWPI Manual Codes
• Access comprehensive, in-depth chemical
information
• DWPI deep indexing systems
• Evaluate the latest trends
• DWPI Extension Abstracts online
• Monitor the activity of competitors
• DWPI Alerting Abstracts
• Images of DWPI Documentation Abstracts
• Stay current with the latest research
• Speed up your research and development pipeline
Maximize the speed, accuracy and thoroughness of your searches
If you miss a single vital patent, you can get caught out by
law suits and damages. Chemical Patents Index enables you
to conduct targeted searches of the chemical patent data
in Derwent World Patents Index®, the most comprehensive
database of value-added patent documents published in
the world.
CPI subscribers receive discounts of up to 50% on the
connect hour and display costs of using Derwent World
Patents Index. All subscribers can view enhanced titles
free of charge, enabling cost-effective scanning of
search results.
Its powerful indexing systems and enhanced patent
abstracts give you access to in-depth chemical information
and help you to retrieve hard-to-locate patent records
quickly and accurately.
DWPI Manual Codes
A typical DWPI Documentation
Abstract
The powerful DWPI Manual Codes system enables
you to use technology groups to retrieve chemical
and pharmaceutical data from DWPI. When used as
part of a search strategy, it can greatly enhance your
retrieval of relevant patent records compared to wordbased searching.
DWPI Manual Codes is ideal for competitor intelligence
and business analysis. You can use it to analyze
trends and spot your competitors’ research and
development strategy.
DWPI deep-indexing systems
Using fragmentation codes and polymer indexing, the
DWPI deep-indexing systems enable you to conduct fast,
deep, and precise searches of chemical, pharmaceutical,
agrochemical, and polymer patents that may be difficult
and time-consuming to find in any other way.
Indexing is searchable across the complete Derwent World
Patents Index® backfile, irrespective of nomenclature or
technology changes and is based on the full specification,
not just the abstract. You can search using both specific
and generic concepts, helping you to find critical records
that would not have been retrieved using text-based
searching alone.
For example, you can search generally on free radical
polymerization catalysts, more specifically on oxidizing
agent catalysts, or at the most specific level on benzoyl
peroxide catalysts.
Fragmentation codes describe both specific and Markush
compounds found in patent specifications on the basis
of the structural fragments found in these compounds.
Polymer indexing gives you precision in retrieval,
incorporating both specific and generic searching of
compounds encountered in the polymer area by using a
sophisticated system of linking.
DWPI Documentation Abstracts and DWPI Extension Abstracts
DWPI Documentation Abstracts provides complete
summaries of the chemical content of patented
technologies, including practical details of how
the invention is actually used. It gives you a greater
understanding of a patent’s chemical content and help
ensure your research scientists are up to date with the
latest technical developments.
DWPI Documentation Abstracts are available as print, on
CD-ROM, on the web and via ftp.
DWPI
Extension
Abstracts
contain
equivalent
information, and are available on Dialog, STN and
Questel.Orbit.
DWPI Alerting Abstracts
Derwent Alerting Abstracts concisely summarizes the main
claims, uses and advantages of a chemical technology in
each relevant patent. You can quickly check for the latest
patents by technology area or by patentee.
Subscribers can purchase subject-specific printed bulletins
in addition to online access, providing an easy-tobrowse format for users who need to absorb the latest
information rapidly.
Get a quotation—free
Contact us today to request a free, no obligation quotation or visit
http://scientific.thomson.com/support/products/dwpi/
scientific.thomson.com
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