skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:005411/0514   Pages: 4
Recorded: 08/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
11/13/1990
Application #:
07531730
Filing Dt:
06/01/1990
Title:
METHOD FOR TREATMENT OF WASTEWATER CONTAINING POLYETHER POLYOLS
Assignor
1
Exec Dt:
05/25/1990
Assignee
1
3 CHRISTINA CENTRE, STE. 902, 201 NORTH WALNUT STREET
WILMINGTON, DELAWARE 19801
Correspondence name and address
DENNIS M. KOZAK
ARCO CHEMICAL CO.
3801 WEST CHESTER PIKE
NEWTOWN SQUARE, PA 19073

Search Results as of: 05/29/2024 10:40 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT