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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™

バイオテクノロジー

From batteries to biosensors: Conductive polymers make the jump to commercial applications

Revolutionary materials that conduct electricity like metals while bending like plastics are transforming everything from batteries to brain implants. Discover how conductive polymers went from Nobel Prize discovery to cutting-edge biomedical breakthroughs.
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バイオテクノロジー

siRNA製剤の新たなブレークスルーが医薬品パイプラインを拡大

医薬品開発の進歩により、siRNA製剤のパイプラインは改善されつつあります。
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創薬

The latest trends in drug discovery

Explore eight leading trends in drug discovery that are improving cancer treatment, identifying neurodegenerative conditions, and even preparing for a future pandemic
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