Bromine Compounds Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
5
Ending by 2030
Apr 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 Dec 20, 2026The maintenance fee for Quarternary Ammonium Halides for Treating Halogen Contamination (US 11,679,293) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
- 1 fee due Jan 2, 2027The maintenance fee for Preparation of bromine-containing polymers useful as flame retardants (US 10,336,858) comes due Jan 2, 2027. Unpaid by Jul 2, 2027, it lapses early.
- 1 fee due May 28, 2027The maintenance fee for Process for recovering gold from ores (US 11,827,952) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
- 1 fee due Jul 14, 2027The maintenance fee for Brominated epoxy polymers as textile-finishing flame retardant formulations (US 10,533,278) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, it lapses early.
- 2 fees due Aug 9 to 13, 2027 · next Aug 9
- 2 fees due Sep 5 to 10, 2027 · next Sep 5
- 1 fee due Oct 21, 2027The maintenance fee for Brominated epoxy polymers as wood coating flame retardant formulations (US 10,626,289) comes due Oct 21, 2027. Unpaid by Apr 21, 2028, it lapses early.
Recent changes
- 2 of the patents on this record were granted since Aug 16, 2026
- 1 term has ended since Aug 16, 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 8,524,125 | Washing-Fast Smoldering-Suppressing Compositions In force · High confidence | In force | High confidence | |
| US 9,631,144 | Flame Retardant Composition In force · Medium confidence | In force | Medium confidence | |
| US 8,568,625 | Aqueous Dispersion of Flame Retardant for Textiles and Process for Producing Same In force · High confidence | In force | High confidence | |
| US 7,932,338 | Brominated polymers, and fire retardant articles comprising them In force · From the USPTO record | In force | From the USPTO record | |
| US 9,481,832 | Flame retardant composition for flammable plastic materials comprising 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine and process for producing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,487,707 | Flame retardant composition for flammable plastic materials comprising 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine and process for producing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,018,324 | Process for the Preparation of the Monomer Pentabromobenzyl Acrylate and Polymerization Thereof In force · High confidence | In force | High confidence | |
| US 9,255,165 | Poly (pentabromobenzyl acrylate) and its properties In force · From the USPTO record | In force | From the USPTO record | |
| US 9,573,878 | Process for the preparation of the monomer pentabromobenzyl acrylate and polymerization thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,493,584 | Poly (pentabromobenzyl acrylate) having specific properties In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 30: 57 lapsed for an unpaid fee · 79 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.
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 · 12 abandoned · 28 no status recorded