Granted Patent
Utility
US 6,582,510
· Confirmation No. 7289
USE OF COMB-BRANCHED COPOLYMERS AS PIGMENT DISPERSANTS
Inventor:
Steven A. Schwartz
Patented Case
View Patent ↗
Inventors
Steven A. Schwartz
Downingtown, PA
Attorneys & Agents of Record
Classification
USPC
106/499
C09D11/326
C09D7/45
C09B67/009
C09D17/00
Prosecution
- Examiner
- GREEN, ANTHONY J
- Art Unit
- 1755
- Docket No.
- 01-2594A
- Confirmation No.
- 7289
Patent Term Adjustment
-5days
RELEASE OF SECURITY INTEREST
Recorded 2010-05-05
RELEASE OF SECURITY INTEREST
Recorded 2010-05-05
CORRECTIVE ASSIGNMENT TO CORRECT PATENT NUMBER 6,214,598 ERRONEOUSLY RECORDED AT REEL 021590, FRAME 0234.
Recorded 2008-10-17
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2008-09-25
PARTIAL RELEASE OF LYONDELL CHEMICAL TECHNOLOGY, L.P. PATENT SECURITY AGREEMENT
Recorded 2008-05-23
from
ARCO CHEMICAL TECHNOLOGY L.P.,
ARCO CHEMICAL TECHNOLOGY, INC.,
ATLANTIC RICHFIELD COMPANY,
BASELL NORTH AMERICA, INC.,
BASELL POLYOLEFIN GMBH,
BASELL POLYOLEFINE GMBH,
EQUISTAR CHEMICALS. LP.,
LYONDELL CHEMICAL COMPANY,
LYONDELL CHEMICAL TECHNOLOGY, L.P.,
LYONDELL PETROCHEMICAL COMPANY,
NATIONAL DISTILLERS AND CHEMICAL CORPORATION,
OCCIDENTAL CHEMICAL CORPORATION,
OLIN CORPORATION,
QUANTUM CHEMICAL CORPORATION
GRANT OF SECURITY INTEREST IN UNITED STATES PATENTS AND PATENT APPLICATIONS
Recorded 2008-03-26
RELEASE OF LYONDELL CHEMICAL TECHNOLOGY, L.P. PATENT SECURITY AGREEMENT
Recorded 2008-03-20
SECURITY AGREEMENT
Recorded 2006-09-15
CHANGE OF NAME
Recorded 2005-06-27
from
SCHWARTZ, STEVEN A.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-05-07
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Quick Facts
- Patent No.
- US 6,582,510
- App. No.
- 10/123,683
- Filed
- 2002-04-16
- Granted
- 2003-06-24
- Examiner
- GREEN, ANTHONY J
- Art Unit
- 1755
- PTA
- -5 days
External Links