Granted Patent
Utility
US 6,461,477
· Confirmation No. 6033
PROTEINS AND POLYMERS FOR USE AS PITCH AND STICKIES CONTROL AGENTS IN PULP AND PAPERMAKING PROCESSES
Inventors
Duy T. Nguyen
Austin, TX
Qu-Ming Gu
Hockessin, DE
Attorneys & Agents of Record
Classification
USPC
162/199
D21H21/02
D21C9/086
Y10S162/04
Prosecution
- Examiner
- NGUYEN, TAN D
- Art Unit
- 3629
- Customer No.
- 28006
- Docket No.
- 24020-033
- Confirmation No.
- 6033
Publication
- Pub. No.
- US20020096293A1
- Pub. Date
- 2002-07-25
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
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-08-03
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Quick Facts
- Patent No.
- US 6,461,477
- App. No.
- 09/816,735
- Filed
- 2001-03-22
- Granted
- 2002-10-08
- Pub. No.
- US20020096293A1
- Examiner
- NGUYEN, TAN D
- Art Unit
- 3629
- PTA
- 0 days
External Links