Granted Patent
Utility
US 6,527,915
· Confirmation No. 4258
PROTEINS FOR USE AS PITCH AND STICKIES CONTROL AGENTS IN PULP AND PAPERMAKING PROCESSES
Inventor:
Qu-Ming Gu
Inventors
Qu-Ming Gu
Hockessin, DE
Attorneys & Agents of Record
Classification
USPC
162/174
D21C9/086
D21H21/02
Y10S162/04
Prosecution
- Examiner
- NGUYEN, TAN D
- Art Unit
- 3629
- Customer No.
- 28006
- Docket No.
- 24020-032
- Confirmation No.
- 4258
Publication
- Pub. No.
- US20010050150A1
- Pub. Date
- 2001-12-13
Patent Term Adjustment
0days
RELEASE OF SECURITY INTEREST
Recorded 2021-11-10
INTELLECTUAL PROPERTY FIRST LIEN SECURITY AGREEMENT RELEASE
Recorded 2018-07-20
FIRST LIEN NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2018-07-20
SECOND LIEN NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2018-07-20
INTELLECTUAL PROPERTY SECOND LIEN SECURITY AGREEMENT RELEASE
Recorded 2018-07-20
NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS (FIRST LIEN)
Recorded 2014-08-14
NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS (SECOND LIEN)
Recorded 2014-08-14
U.S. ASSIGNMENT OF PATENTS
Recorded 2014-08-04
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC,
AQUALON COMPANY,
ISP INVESTMENTS INC.,
HERCULES INCORPORATED
RELEASE OF PATENT SECURITY AGREEMENT
Recorded 2013-03-18
from
AQUALON COMPANY,
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC,
HERCULES INCORPORATED,
ISP INVESTMENT INC.
SECURITY AGREEMENT
Recorded 2011-09-16
ASHLAND, INC.,
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC,
AQUALON COMPANY,
HERCULES INCORPORATED
RELEASE OF PATENT SECURITY AGREEMENT
Recorded 2011-09-15
SECURITY AGREEMENT
Recorded 2010-04-14
RELEASE OF SECURITY INTEREST
Recorded 2010-04-13
SECURITY AGREEMENT
Recorded 2008-12-03
PATENT TERMINATION CS-013608-0837
Recorded 2008-12-01
NOTICE OF GRANT SECURITY INTEREST
Recorded 2002-12-27
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- Patent No.
- US 6,527,915
- App. No.
- 09/815,367
- Filed
- 2001-03-22
- Granted
- 2003-03-04
- Pub. No.
- US20010050150A1
- Examiner
- NGUYEN, TAN D
- Art Unit
- 3629
- PTA
- 0 days
External Links