CAS Patents

Our patent collection is augmented with English titles and abstracts and detailed indexing by CAS scientists, making complex aspects of patent documents, including chemical substances, sequences, Markush structures, assignees, and classification codes, searchable and accessible.

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Patents published by 109 issuing authorities covering more than 40,000 unique IPC codes in areas including chemistry, pharmaceuticals, consumer goods, processes, materials, engineering, agriculture, and more.

English language titles and abstracts for patents published in 50 languages translated and enhanced by CAS scientists.

Key invention details including substances, reactions, Markush representations, and more indexed by scientists and connected to other relevant data within the CAS Content Collection™.

Consolidated patent family summaries and convenient connections to global full-text patent documents.

Claims text, legal status information, cited references, and examiner citations included for select authorities.

Updated daily, with patent applications from nine major patent issuing authorities available within two days of publication.

Latest from CAS Insights™

Digital R&D

Five Markers of AI Readiness in R&D

AI-powered solutions hold so much potential for faster scientific innovation, but there are key milestones organizations must achieve before they can move beyond the pilot phase. These five markers are the cornerstones of AI readiness.
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Emerging Science

Point-of-care testing: faster diagnosis, easier access to care

Point-of-care testing goes beyond pandemic-era viral infection tests to bring faster diagnostics for infectious diseases, chronic conditions, cancer, and more.
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Emerging Science

Mechanochemistry: A green pathway for chemical reactions and advanced manufacturing

Reducing or removing solvents results in greener chemistry and less waste. Mechanochemistry uses forces like milling and grinding to drive chemical reactions, and it’s becoming a key approach to environmentally friendly catalysis, biomedicine, and more.
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