Rextac, LLC

8 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

Sep 2036

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 18, 2026
The maintenance fee for Integrated process for poly olefin production with reduced greenhouse gas emission (US 10,322,981) comes due Dec 18, 2026. Unpaid by Jun 21, 2027, it lapses early.
1 fee due Mar 24, 2027
The maintenance fee for Low molecular weight butene-1-co-hexene-1 amorphous poly alpha olefins for hot melt adhesives with enhanced properties (US 10,421,886) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, 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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 10,160,888	Propylene-based amorphous poly-alpha-olefins (APAOs) formulated with hexene-1 monomer containing amorphous poly-alpha-olefins for use in hot melt adhesives In force Term ends Sep 27, 2036 · From the USPTO record	In force	Term ends Sep 27, 2036	From the USPTO record
US 10,174,228	Amorphous Poly Alpha Olefins of Low Acid and Organoleptic Properties and a Process for Producing Same In force Term ends Apr 12, 2037 · Medium confidence	In force	Term ends Apr 12, 2037	Medium confidence
US 10,266,731	Amorphous hexene-1 based polymeric hot melt adhesive In force Term ends Apr 12, 2037 · From the USPTO record	In force	Term ends Apr 12, 2037	From the USPTO record
US 10,421,886	Low molecular weight butene-1-co-hexene-1 amorphous poly alpha olefins for hot melt adhesives with enhanced properties In force Term ends Apr 12, 2037 · From the USPTO record	In force	Term ends Apr 12, 2037	From the USPTO record
US 10,738,222	Method for making hexene-1 containing amorphous poly alpha olefins for improved hot-melt adhesives In force Ends no later than Apr 12, 2037 · From the USPTO record	In force	Ends no later than Apr 12, 2037	From the USPTO record
US 10,752,815	Low molecular weight butene-1-co-hexene-1 amorphous poly alpha olefins for hot-melt adhesives with enhanced properties In force Term ends Apr 12, 2037 · From the USPTO record	In force	Term ends Apr 12, 2037	From the USPTO record
US 10,322,981	Integrated process for poly olefin production with reduced greenhouse gas emission In force Term ends Aug 14, 2038 · From the USPTO record	In force	Term ends Aug 14, 2038	From the USPTO record
US 10,995,162	Process for pre-contacting catalyst components ex-reactor to produce amorphous poly alpha-olefins In force Term ends Sep 17, 2039 · From the USPTO record	In force	Term ends Sep 17, 2039	From the USPTO record

Also on record, not counted in the 8: 3 lapsed for an unpaid fee · 9 ended at full term. 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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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.

1 pending · 7 no status recorded

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