Econic Technologies Ltd.

12 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Jul 2035

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 Jun 26, 2027
The maintenance fee for Method for preparing polyether carbonates (US 11,851,525) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
2 fees due Aug 11 to 27, 2027 · next Aug 11
1 fee due Oct 23, 2027
The maintenance fee for Methods for forming polycarbonate ether polyols and high molecular weight polyether carbonates (US 11,965,062) comes due Oct 23, 2027. Unpaid by Apr 24, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 10,030,102	Catalysts In force Ends no later than Jul 22, 2035 · Medium confidence	In force	Ends no later than Jul 22, 2035	Medium confidence
US 10,556,988	Catalysts In force Term ends Jul 22, 2035 · High confidence	In force	Term ends Jul 22, 2035	High confidence
US 10,774,180	Catalysts In force Term ends Jul 22, 2035 · Medium confidence	In force	Term ends Jul 22, 2035	Medium confidence
US 10,774,179	Method for preparing polyols In force Term ends Aug 26, 2036 · From the USPTO record	In force	Term ends Aug 26, 2036	From the USPTO record
US 11,014,894	Process for the production of tetraaminobiphenol macrocyclic ligands; and novel tetraaminobiphenol macrocyclic ligands In force Term ends Mar 2, 2038 · From the USPTO record	In force	Term ends Mar 2, 2038	From the USPTO record
US 12,415,787	Process for the production of tetraaminobiphenol macrocyclic ligands; and novel tetraaminobiphenol macrocyclic ligands In force Term ends Jul 13, 2038 · From the USPTO record	In force	Term ends Jul 13, 2038	From the USPTO record
US 11,613,606	Method for Quenching a Polymerisation Process In force Term ends Oct 24, 2038 · High confidence	In force	Term ends Oct 24, 2038	High confidence
US 11,912,673	Process for the production of tetraaminobiphenol macrocyclic ligands; and novel tetraaminobiphenol macrocyclic ligands In force Term ends Dec 30, 2038 · From the USPTO record	In force	Term ends Dec 30, 2038	From the USPTO record
US 11,851,525	Method for preparing polyether carbonates In force Term ends May 6, 2039 · From the USPTO record	In force	Term ends May 6, 2039	From the USPTO record
US 11,965,062	Methods for forming polycarbonate ether polyols and high molecular weight polyether carbonates In force Term ends Apr 24, 2040 · From the USPTO record	In force	Term ends Apr 24, 2040	From the USPTO record

10 of 12 patents shown.

Pro members see all 12.

Pro members: see all 12 patents

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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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

4 pending · 2 abandoned · 8 no status recorded

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