Cancer Research Ventures Limited

Calculating rank

USPTO Granted Patents = 4

% Expired Patents = 75.0

EPO Patents = 1

Forward Citations = 43

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8 inventors (with patents filed for the assignee):

Eberhard Amtmann (2 out of 8 patents)

Gerhard Schilling (2 out of 3 patents)

Gerhard Sauer (2 out of 3 patents)

4. Norbert Frank (2 out of 2 patents)

5. Natalia Savelyeva (1 out of 4 patents)

6. Freda Stevenson (1 out of 4 patents)

7. Alfred Hermanus Schinkel (1 out of 1 patent)

8. Johannes Henricus Matthias Schellens (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7179471 - Materials and methods relating to fusion proteins an immune response (2007-02-20),

2. 7030132 - Method of improving bioavailability of orally administered drugs, a method of screening for enhancers of such bioavailability and novel pharmaceutical compositions for oral delivery of drugs (2006-04-18),

3. 6444706 - Guanidine derivatives, processes for preparing them and their use as pharmaceutical compositions (2002-09-03),

4. 6284798 - Guanidine derivatives, methods of preparing them and their use as drugs (2001-09-04),

Company Overview

Cancer Research Ventures Limited (CRVLTD) is a leading biotechnology company dedicated to advancing cancer research and drug development. With a team of experienced scientists and cutting-edge technology, CRVLTD is committed to discovering innovative treatments for various types of cancer. Our mission is to improve the lives of cancer patients by accelerating the development of new therapeutic options. Visit our website to learn more about our research initiatives and partnerships.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#658 in London

#3,873 in United Kingdom

London, United Kingdom

Cancer Research Ventures Limited

Forward Citations = 43

8 inventors:

Eberhard Amtmann (2 out of 8 patents)

Gerhard Schilling (2 out of 3 patents)

Gerhard Sauer (2 out of 3 patents)

4. Norbert Frank (2 out of 2 patents)

5. Natalia Savelyeva (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cancer Research Ventures Limited. Retrieved from https://idiyas.com/company/cancer-research-ventures

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]