Inventor
Sangya Jain
Inventor
Bridgewater, NJ, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests28%
B08BCleaning in general6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
F16LPipes6%
PatentTitleYear
11,060,012Deposit disintegrator compositions20215,399,456'Image reversal negative working photoresist containing O-quinone diazide and cross-linking compound'19955,256,522'Image reversal negative working O-naphthoquinone diazide and cross-linking compound containing photoresist process with thermal curing'19935,240,807'Photoresist article having a portable, conformable, built-on mask'19935,217,840'Image reversal negative working o-quinone diazide and cross-linking compound containing photoresist process with thermal curing treatment and element produced therefrom'19935,019,488'Method of producing an image reversal negative photoresist having a photo-labile blocked imide'19914,931,381'Image reversal negative working O-quinone diazide and cross-linking compound containing photoresist process with thermal curing treatment'19904,929,536'Image reversal negative working O-napthoquinone diazide and cross-linking compound containing photoresist process with thermal curing'19904,863,827'Postive working multi-level photoresist'19894,835,086'Polysulfone barrier layer for bi-level photoresists'19894,588,670'Light-sensitive trisester of O-quinone diazide containing composition for the preparation of a positive-acting photoresist'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1989Patents assigned to HOECHST CO AMERICAN (2)· patent assignee history
1986Based in Hillsborough, NJ, US· patent location history
1989–1995Patents assigned to HOECHST CELANESE CORP (8)· patent assignee history
1989–1995Based in Bridgewater, NJ, US· patent location history
1990Based in Somerville, NJ, US· patent location history
2021Patents assigned to SHELL OIL CO (1)· patent assignee history
2021Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST CELANESE CORP | 8 | 1989–1995 |
| HOECHST CO AMERICAN | 2 | 1986–1989 |
| SHELL OIL CO | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bridgewater, New Jersey, US | 8 | 1989–1995 |
| Houston, Texas, US | 1 | 2021 |
| Somerville, New Jersey, US | 1 | 1990 |
| Hillsborough, New Jersey, US | 1 | 1986 |