The Patent Finder

eChem Solutions Corp.

23 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

Recorded as renamed to Advanced Echem Materials Company Limited (2025)

0
Ending by 2030
Jan 2034
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.
  • 2 fees due Jun 26, 2027
  • 1 fee due Aug 27, 2027
    The maintenance fee for Photosensitive resin composition, spacer, light conversion layer, and light-emitting device (US 11,914,292) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
  • 1 fee due Sep 5, 2027
    The maintenance fee for White photosensitive resin composition, white spacer, light conversion layer, and light-emitting device (US 11,919,997) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.

Which patents, and when each one lapses · Pro

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.
PatentTitleStatus Expires Confidence
US 9,049,790Masking Layer Formed by Applying Developable Photosensitive Resin Compositions on Panel Structure
In force
 · High confidence
In forceHigh confidence
US 9,529,260Photosensitive insulated resin composition and method of producing insulated film thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,095,107Composition and fabricating method thereof, and infrared ray sensor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,029,598Photosensitive polyimide composition and photoresist film made thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,222,642Photosensitive composition, color filter and method for forming the color filter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,306,220Flexible encapsulating material, process for preparing the same and encapsulating method using the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,609,496Method of forming patterned polyimide layer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,851,597Etchant composition, tackifier, alkaline solution, method of removing polyimide and etching process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,603,426Resin composition, light conversion layer and light emitting device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,603,458Black resin composition, cured film, and black filter
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 23 patents shown.
Pro members see all 23.
Pro members: see all 23 patents
Also on record, not counted in the 23: 1 patent in force now held by others · 1 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.

4 pending · 3 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited