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 Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 1
Patent #:
Issue Dt:
02/04/2014
Application #:
13604331
Filing Dt:
09/05/2012
Publication #:
Pub Dt:
04/04/2013
Inventor:
S. Ananda Weerawarna
Title:
CATALYTIC CARBOXYLATION OF CELLULOSE FIBERS IN A CONTINUOUS PROCESS WITH MULTIPLE ADDITIONS OF CATALYST, SECONDARY OXIDANT AND BASE TO A MOVING SLURRY OF CELLULOSE FIBERS
Assignment: 1
Reel/Frame:
049964/0985Recorded: 08/05/2019Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/01/2016
Assignee:
4000, 421 - 7TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 4K9
Correspondent:
LLEWELLYN RHYS LAWSON, ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVENUE, SUITE 3600
SEATTLE, WA 98101-3029

Search Results as of: 06/25/2024 03:50 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