Granted Patent
Utility
US 6,620,328
· Confirmation No. 4935
CONTROL OF BARIUM SULFATE SCALING
Inventor:
Davor F. Zidovec
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2014-07-15 | OATH |
Oath or Declaration filed | 4 | View | |
| 2003-07-21 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-04-05 | TRNA |
Transmittal of New Application | 3 | View | |
| 2002-04-05 | A.PE |
Preliminary Amendment | 6 | View | |
| 2002-04-05 | SPEC |
Specification | 6 | View | |
| 2002-04-05 | CLM |
Claims | 2 | View | |
| 2002-04-05 | ABST |
Abstract | 1 | View | |
| 2002-04-05 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Davor F. Zidovec
Jacksonville, FL
Attorneys & Agents of Record
Classification
USPC
210/697
C02F5/145
C02F5/083
Prosecution
- Examiner
- METZMAIER, DANIEL S
- Art Unit
- 1712
- Docket No.
- 5508 A
- Confirmation No.
- 4935
Publication
- Pub. No.
- US20020153506A1
- Pub. Date
- 2002-10-24
Patent Term Adjustment
-5days
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
from
ASHLAND INC.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-07-15
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
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Quick Facts
- Patent No.
- US 6,620,328
- App. No.
- 10/117,014
- Filed
- 2002-04-05
- Granted
- 2003-09-16
- Pub. No.
- US20020153506A1
- Examiner
- METZMAIER, DANIEL S
- Art Unit
- 1712
- PTA
- -5 days
External Links