Elementis Specialties, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
9
Ending by 2030
Jan 2027
Next term end
When these terms end
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 Feb 8, 2027The maintenance fee for Slurry compositions containing mixed branched alkyl organoclay compositions (US 11,718,534) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
- 2 fees due Apr 30, 2027
- 1 fee due Aug 16, 2027The maintenance fee for Processes for the preparation of rheology modifiers (US 9,260,559) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.
- 1 fee due Oct 21, 2027The maintenance fee for Crosslinkable coating compositions formulated with dormant carbamate initiator (US 10,624,833) comes due Oct 21, 2027. Unpaid by Apr 21, 2028, it lapses early.
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 8,389,447 | Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties In force · From the USPTO record | In force | From the USPTO record | |
| US 7,795,337 | Liquid rheological additive suitable for thickening solvent borne, pigment containing system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,906,461 | Thermally stable compositions and use thereof in drilling fluids In force · From the USPTO record | In force | From the USPTO record | |
| US 7,956,015 | Equivalent circulating density control in deep water drilling In force · From the USPTO record | In force | From the USPTO record | |
| US 8,138,125 | Equivalent circulating density control in deep water drilling In force · From the USPTO record | In force | From the USPTO record | |
| US 8,809,240 | Equivalent circulating density control in deep water drilling In force · From the USPTO record | In force | From the USPTO record | |
| US 7,799,742 | Equivalent circulating density control in deep water drilling In force · From the USPTO record | In force | From the USPTO record | |
| US 8,691,903 | VOC-free coalescing agent In force · From the USPTO record | In force | From the USPTO record | |
| US 8,153,707 | VOC-free coalescing agent In force · From the USPTO record | In force | From the USPTO record | |
| US 9,029,488 | Phosphate-group containing resin and use thereof In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 35: 10 lapsed for an unpaid fee · 75 ended at full term · 1 surrendered on reissue. 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.
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.
2 pending · 5 abandoned · 34 no status recorded