Benefit to you
When you need comprehensive maximum recall for your structure searches of chemical patents, you need MARPAT, the structure-searchable database of generic, hypothetical substances found in patent claims and disclosures.
Content
- More than 750,000 searchable Markush structures from patents covered by CAS from 1961 to the present - 12/07
- More than 300,000 displayable citations for the Markush structure-containing patents - 12/07
- Records from 1961-1987 derived from INPI data
- Displayable information includes bibliographic data, abstract, and CAS indexing
Coverage
- Markush structures of organic or organometallic molecules found in the patents from countries covered by CA (except Korea)
- Alloys, metal oxides, inorganic salts, intermetallics, and polymers are not included
Update frequency
- Updated daily with approximately 60-75 patent citations and 150-200 Markush structures
Sample record
CAS products
You can use the following CAS products to search MARPAT:
Updated 12/7/2007 1:09:54 PM
