13 patents currently held
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Mar 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
5
Ending by 2030
Mar 2027
Next term end
10
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Mar 2027 · High confidence
Also notable
Ends Sep 2040 · High confidence
Also notable
Ends Jan 2031 · High confidence
Method of Making Molded Articles
US 7,939,006
Renewed at every maintenance window since the 2011 grant; no more fees are due before its term ends in 2027.
Thermoplastic Elastomer Composition
US 11,447,619
The newest of the three, granted 2022. It anchors the portfolio to 2040, later than anything else here.
Processes for Making High Purity Renewable Source-Based Plasticizers and Products Made Therefrom
US 8,703,849
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 2031.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
What they patent
The 5 largest of its 10 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Thermoplastic Elastomer Composition | 3 in force | to Sep 2040 |
| Method of Making Molded Articles | 2 in force | to Mar 2027 |
| Flame Retardant Poly(vinyl Chloride) Compounds | 1 in force | to Sep 2038 |
| Flexible Polyvinyl Halide Used for Injection Over-Molding | 1 in force | to Jun 2038 |
| Thermally Conductive Polyvinyl Halide | 1 in force | to Feb 2038 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,939,006 | Method of Making Molded Articles In force · High confidence | In force | High confidence | |
| US 8,273,283 | Method of Making Molded Articles In force · High confidence | In force | High confidence | |
| US 7,943,691 | Heat Tolerant, Optically Clear CPVC and Method of Making Same In force · High confidence | In force | High confidence | |
| US 8,383,708 | Epoxidized Soyate Diesters and Methods of Using Same In force · High confidence | In force | High confidence | |
| US 8,575,247 | High Flow Polyvinyl Halide Compound and Methods of Making and Using Same In force · High confidence | In force | High confidence | |
| US 8,703,849 | Processes for Making High Purity Renewable Source-Based Plasticizers and Products Made Therefrom In force · High confidence | In force | High confidence | |
| US 9,382,415 | Crosslinkable Bioplasticizers In force · High confidence | In force | High confidence | |
| US 11,535,737 | Thermally Conductive Polyvinyl Halide In force · High confidence | In force | High confidence | |
| US 11,441,009 | Flexible Polyvinyl Halide Used for Injection Over-Molding In force · High confidence | In force | High confidence | |
| US 11,339,233 | Flame Retardant Poly(vinyl Chloride) Compounds In force · High confidence | In force | High confidence |
Also on record, not counted in the 13: 4 patents ended · 1 application pending · 3 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
2 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed