Carbeau B.V.

27 patents currently held · Updated Nov 15, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

May 2031

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Dec 25, 2026
The maintenance fee for Method and System for Electrochemical Reduction of Carbon Dioxide Employing a Gas Diffusion Electrode (US 10,329,676) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
2 fees due Jan 14 to 21, 2027 · next Jan 14
2 fees due May 3, 2027
1 fee due Jun 29, 2027
The maintenance fee for Purification of Carbon Dioxide from a Mixture of Gases (US 9,222,179) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
1 fee due Aug 23, 2027
The maintenance fee for Method and System for Production of Oxalic Acid and Oxalic Acid Reduction Products (US 9,267,212) comes due Aug 23, 2027. Unpaid by Feb 23, 2028, it lapses early.
2 fees due Oct 5 to 12, 2027 · next Oct 5

Which patents, and when each one lapses · Pro

Recent changes

2 terms have ended since Aug 17, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 8,500,987	Purification of Carbon Dioxide from a Mixture of Gases In force Term ends May 12, 2031 · High confidence	In force	Term ends May 12, 2031	High confidence
US 9,222,179	Purification of Carbon Dioxide from a Mixture of Gases In force Term ends Jul 27, 2031 · High confidence	In force	Term ends Jul 27, 2031	High confidence
US 9,309,599	Heterocycle Catalyzed Carbonylation and Hydroformylation with Carbon Dioxide In force Term ends Nov 30, 2031 · High confidence	In force	Term ends Nov 30, 2031	High confidence
US 8,562,811	Process for Making Formic Acid In force Term ends Mar 9, 2032 · High confidence	In force	Term ends Mar 9, 2032	High confidence
US 10,119,196	Electrochemical Production of Synthesis Gas from Carbon Dioxide In force Term ends May 3, 2032 · High confidence	In force	Term ends May 3, 2032	High confidence
US 10,329,676	Method and System for Electrochemical Reduction of Carbon Dioxide Employing a Gas Diffusion Electrode In force Term ends Dec 12, 2032 · High confidence	In force	Term ends Dec 12, 2032	High confidence
US 11,131,028	Method and System for Electrochemical Reduction of Carbon Dioxide Employing a Gas Diffusion Electrode In force Term ends Dec 12, 2032 · High confidence	In force	Term ends Dec 12, 2032	High confidence
US 8,444,844	Electrochemical Co-Production of a Glycol and an Alkene Employing Recycled Halide In force Term ends Dec 21, 2032 · High confidence	In force	Term ends Dec 21, 2032	High confidence
US 8,647,493	Electrochemical Co-Production of Chemicals Employing the Recycling of a Hydrogen Halide In force Term ends Dec 21, 2032 · High confidence	In force	Term ends Dec 21, 2032	High confidence
US 8,691,069	Method and System for the Electrochemical Co-Production of Halogen and Carbon Monoxide for Carbonylated Products In force Term ends Dec 21, 2032 · High confidence	In force	Term ends Dec 21, 2032	High confidence

10 of 27 patents shown.

Pro members see all 27.

Pro members: see all 27 patents

Also on record, not counted in the 27: 2 lapsed for an unpaid fee. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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