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C09K 2205/126

Unsaturated fluorinated hydrocarbons

C09K2205/126 (Unsaturated fluorinated hydrocarbons) appears on 808 US grants and 1,333 published applications in this corpus.

Search patents in C09K

Granted patents: 808
Published applications: 1,333
Assignees: 120
Inventors: 735
Latest grant: 15 Sep 2026

Filings by year

C09K 2205/126: granted patents and published applications per publication year
Year	Granted patents	Published applications
1991	3	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	1	0
1997	0	0
1998	1	0
1999	0	0
2000	1	0
2001	1	0
2002	0	0
2003	0	0
2004	0	4
2005	2	7
2006	2	14
2007	2	10
2008	4	19
2009	11	26
2010	8	39
2011	29	55
2012	18	63
2013	29	59
2014	42	53
2015	47	72
2016	44	98
2017	72	88
2018	71	89
2019	76	81
2020	69	119
2021	64	106
2022	62	84
2023	46	72
2024	29	58
2025	37	68
2026	37	49

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

Recent patents

Compositions and uses of trans-1,1,1,4,4,4-hexafluoro-2-butene and 1,1-difluoroethane (R-152A)15 Sep 2026US 12,734,388 B2The Chemours Company Fc, LLC
Cryosurgery coolant delivery system and method of preparing and using the same8 Sep 2026US 12,727,929 B2Cool Renewal, LLC
Method for producing purified trans-1,2-difluoroethylene (HFO-1132(E)) and/or 1,1,2-trifluoroethylene (HFO-1123)8 Sep 2026US 12,729,172 B2Daikin Industries, Ltd.
Composition containing refrigerant, and method for stabilizing composition containing refrigerant8 Sep 2026US 12,729,331 B2Daikin Industries, Ltd.
Sterically hindered hydrofluoroolefins with dipole moment and their blends with sterically hindered-olefins as refrigerants for high temperature heat pumps and working fluid for organic Rankine cycles8 Sep 2026US 12,729,332 B2Carbon Ventures, LLC

Most cited

By later US patents