Ocp S.A.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jul 2033
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 Jan 18, 2027The maintenance fee for Preparation of phosphoric acid (US 11,702,338) comes due Jan 18, 2027. Unpaid by Jul 19, 2027, it lapses early.
- 1 fee due Jul 16, 2027The maintenance fee for Process for preparing calcium fluoride from fluosilicic acid (US 11,873,229) comes due Jul 16, 2027. Unpaid by Jan 18, 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 10,060,011 | Processes for the recovery of uranium from wet-process phosphoric acid using dual or single cycle continuous ion exchange approaches In force · From the USPTO record | In force | From the USPTO record | |
| US 9,702,026 | Processes for the recovery of uranium from industrial phosphoric acid using dual or single cycle continuous ion exchange approaches In force · From the USPTO record | In force | From the USPTO record | |
| US 11,047,022 | Processes for the recovery of uranium from wet-process phosphoric acid using dual or single cycle continuous ion exchange approaches In force · From the USPTO record | In force | From the USPTO record | |
| US 11,873,229 | Process for preparing calcium fluoride from fluosilicic acid In force · From the USPTO record | In force | From the USPTO record | |
| US 10,689,261 | Process for producing sodium sulphate from phosphogypsum In force · From the USPTO record | In force | From the USPTO record | |
| US 11,702,338 | Preparation of phosphoric acid In force · From the USPTO record | In force | From the USPTO record | |
| US 12,037,660 | Use of Synergistic Mixture of Extractants for Extracting Rare Earth Elements from an Aqueous Medium Comprising Phosphoric Acid In force · High confidence | In force | High confidence | |
| US 12,139,775 | Process For Purifying And Concentrating Rare Earths From Phosphogypsum In force · High confidence | In force | High confidence | |
| US 12,221,342 | Preparation of an aqueous suspension of phosphate material In force · From the USPTO record | In force | From the USPTO record | |
| US 12,662,719 | Processes for the Recovery of Uranium In force · High confidence | In force | High confidence |
Also on record, not counted in the 11: 4 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.
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 · 1 abandoned · 1 no status recorded