Not in the current Orange Book — This application is not listed in FDA's current Orange Book data files (no listed patents or exclusivities). Product and approval data shown are from FDA's Drugs@FDA database.
CARBON DIOXIDE, USP
NDANot in Orange Book
CARBON DIOXIDE, USP | N222000 | AGL WELDING SUPPLY CO INC DBA AGL GAS TECHNOLOGIES
PTAB Proceedings
No IPR/PGR/CBM challenges found at the Patent Trial and Appeal Board
Hatch-Waxman Litigation
No ANDA patent litigation cases (NOS 835) matched from PACER
Citizen Petitions
No FDA citizen petitions matched from Regulations.gov
Products (1)
#001 — N/A
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GAS;INHALATION | Approved: Sep. 22, 2026
No patent or exclusivity listings for this strength.