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:048104/0508   Pages: 7
Recorded: 01/23/2019
Attorney Dkt #:212736-0005-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
10876043
Issue Dt:
12/29/2020
Application #:
16254773
Filing Dt:
01/23/2019
Publication #:
US20190330519
Pub Dt:
10/31/2019
Title:
CHELATING AGENT FOR RESERVOIR ACIDIFICATION AND STIMULATING INJECTION AND ITS PREPARATION METHOD AND APPLICATION
Assignors
1
MU, LIJUN
Exec Dt:
12/19/2018
2
LI, XIANWEN
Exec Dt:
12/19/2018
3
LU, HONGJUN
Exec Dt:
12/19/2018
4
WANG, YONG
Exec Dt:
12/19/2018
5
YAO, BIN
Exec Dt:
12/19/2018
6
JI, ZHENNING
Exec Dt:
12/19/2018
7
ZHANG, SUIWANG
Exec Dt:
12/19/2018
8
LU, XIAOBING
Exec Dt:
12/19/2018
9
DENG, ZHIYING
Exec Dt:
12/19/2018
10
SUI, LEI
Exec Dt:
12/19/2018
11
WANG, ERZHEN
Exec Dt:
12/19/2018
12
SONG, ZHAOJIE
Exec Dt:
12/19/2018
Assignee
1
PETROCHINA COMPANY LIMITED
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT
BEIJING, CHINA 100007
Correspondence name and address
MICHAEL BEST & FRIEDRICH LLP (MKE)
100 E WISCONSIN AVENUE
SUITE 3300
MILWAUKEE, WI 53202

Search Results as of: 06/14/2024 01:00 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