Surfatech Corporation
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
11
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 Dec 2, 2026The maintenance fee for Silicone polymers containing UV photostabilizing groups (US 9,045,593) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
- 2 fees due May 12 to 17, 2027 · next May 12
- 2 fees due Sep 15 to 22, 2027 · next Sep 15
Recent changes
- 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 7,507,399 | Functionalized polymeric surfactants based upon alkyl polyglycosides In force · From the USPTO record | In force | From the USPTO record | |
| US 7,449,494 | Polymeric skin moisturizing compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 7,375,064 | Functionalized polymeric surfactants based upon alkyl polyglycosides In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 7,473,707 | Spider esters in personal care applications In force · From the USPTO record | In force | From the USPTO record | |
| US 8,367,861 | Guerbet citrate polyesters In force · From the USPTO record | In force | From the USPTO record | |
| US 8,623,342 | Naturally derived citrate polyesters In force · From the USPTO record | In force | From the USPTO record | |
| US 8,277,787 | Alkoxylated guerbet citrate polyesters In force · From the USPTO record | In force | From the USPTO record | |
| US 8,192,726 | Naturally derived citrate polyesters having liquid and solid domains In force · From the USPTO record | In force | From the USPTO record | |
| US 8,268,766 | Polymeric surfactants based upon alkyl polyglycosides and sorbitan esters In force · From the USPTO record | In force | From the USPTO record | |
| US 8,182,796 | Naturally derived citrate polyesters having liquid and solid domains In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 31: 58 lapsed for an unpaid fee · 14 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
Every application published under this name has become a patent.