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B01J 31/2485

Tricyclic systems

Official title: {Tricyclic systems, e.g. phosphaadamantanes and hetero analogues}

B01J31/2485 (Tricyclic systems) appears on 28 US grants and 27 published applications in this corpus.

Search patents in B01J

Granted patents: 28
Published applications: 27
Assignees: 14
Inventors: 41
Latest grant: 9 Jun 2026

Filings by year

B01J 31/2485: granted patents and published applications per publication year
Year	Granted patents	Published applications
2000	2	0
2001	2	1
2002	1	0
2003	1	1
2004	1	1
2005	0	1
2006	1	1
2007	1	2
2008	1	0
2009	2	1
2010	0	0
2011	0	0
2012	0	2
2013	0	2
2014	1	1
2015	5	5
2016	3	2
2017	2	1
2018	0	1
2019	0	0
2020	0	0
2021	1	1
2022	0	0
2023	2	1
2024	0	2
2025	0	0
2026	2	1

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Hydrogen storage based on aqueous formate- bicarbonate (hydrogen carbonate) equilibrium9 Jun 2026US 12,649,654 B2Hydrogen Revolution Hungary Kft.
Tri-(adamantyl) phosphines and applications thereof3 Feb 2026US 12,539,508 B2The Trustees of Princeton University
Tri-(adamantyl)phosphines and applications thereof24 Oct 2023US 11,794,180 B2The Trustees of Princeton University
Tri-(adamantyl)phosphines and applications thereof21 Feb 2023US 11,583,844 B2The Trustees of Princeton University
Tri-(adamantyl)phosphines and applications thereof20 Apr 2021US 10,981,157 B2The Trustees of Princeton University

Most cited

By later US patents