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 Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 10
Patent #:
4952277
Issue Dt:
08/28/1990
Application #:
07354982
Filing Dt:
05/19/1989
Inventors:
CHENG-I CHEN, THERESA D. HANCOCK
Title:
PROCESS FOR PRODUCING KRAFT PULP FOR PAPER USING NONIONIC SURFACE ACTIVE AGENTS TO IMPROVE PULP YIELD
Assignment: 1
Reel/Frame:
005127/0540Recorded: 07/03/1989Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
CHEN, CHENG-I
Exec Dt:
06/28/1989
HANCOCK, THERESA D.
Exec Dt:
06/28/1989
Assignee:
BETZ LABORATORIES, INC., A CORP. OF PA
4636 SOMERTON ROAD
TREVOSE, PENNSYLVANIA 19047
Correspondent:
ALEXANDER D. RICCI
BETZ LABORATORIES, INC.
4636 SOMERTON, RD.
TREVOSE, PA 19047
Assignment: 2
Reel/Frame:
005311/0211Recorded: 05/14/1990Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
BETZ LABORATORIES, INC.
Exec Dt:
05/09/1990
Assignee:
BETZ PAPERCHEM, INC.
7510 BAY MEADOWS WAY
JACKSONVILLE, FLORIDA 32216
Correspondent:
ALEXANDER D. RICCI
BETZ LABORATORIES, INC.
SOMERTON ROAD
TREVOSE, PA 19047
Assignment: 3
Reel/Frame:
008732/0428Recorded: 08/22/1997Pages: 6
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
BETZ PAPERCHEM, INC.
Exec Dt:
06/25/1996
Assignee:
BETZDEARBORN PAPER PROCESS GROUP INC.
7510 BAYMEADOWS WAY
JACKSONVILLE, FLORIDA 32216
Correspondent:
BETZDEARBORN, INC.
DEBORAH R. SEGELITZ
LEGAL DEPARTMENT
4636 SOMERTON ROAD
TREVOSE, PA 19053-6783
Assignment: 4
Reel/Frame:
011410/0444Recorded: 12/26/2000Pages: 19
Conveyance:
NOTICE OF GRANT OF SECURITY INTEREST
Assignors:
HERCULES INCORPORATED, A DELAWARE CORPORATION
Exec Dt:
11/14/2000
HERCULES CREDIT, INC. A DELAWARE CORPORATION
Exec Dt:
11/14/2000
HERCULES FLAVOR, INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
WSP, INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
AQUALON COMPANY, A DELAWARE PARTNERSHIP
Exec Dt:
11/14/2000
HERCUKES FINANCE COMPANY, A DELAWARE PARTERSHIP
Exec Dt:
11/14/2000
FIBERVISION, L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
Exec Dt:
11/14/2000
FIBERVISONS, L.L.C., A DELAWARE LIMITED LIABILITY
Exec Dt:
11/14/2000
FIBERVISON INCORPORATED, A DELAWARE CORPORATION
Exec Dt:
11/14/2000
FIBERVISON PRODUCTS, INC. A GEORGIA CORPORATION
Exec Dt:
11/14/2000
HERCULES INTERNATIONAL LIMIITED, A DELAWARE CORPORATION
Exec Dt:
11/14/2000
BETZDEARBORN INC., A PENNSYLVANVIA CORPORATION
Exec Dt:
11/14/2000
BETZDEARBORN EUROPE, INC., A PENNSYLVANIA CORPORATION
Exec Dt:
11/14/2000
D R C LTD., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
BL TECXHNOLOGIES, INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
BLI HOLDINGS CORP., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
HERCULES SHARED SERVICES CORPORATION, A DELAWARE CORPORATION
Exec Dt:
11/14/2000
BETZDEARBORN INTERNATIONAL, INC. A PENNSYLVANIA CORPORATION
Exec Dt:
11/14/2000
ATHENS HOLDINGS, INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
BETZDEARBORN CHINA, LTD., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
BL CHEMICALS INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
CHEMICAL TECHNOLOGIES INDIA. LTD., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
COVINGTON HOLDINGS, INC. A DELAWARE CORPORATION
Exec Dt:
11/14/2000
EAST BAY REALTY SERVICES, INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
FIBERVISION, L.P., A DELAWARE LIMITED PARTNERSHIP
Exec Dt:
11/14/2000
HERCULES CHEMICAL CORPORATION, A DELAWARE CORPORATION
Exec Dt:
11/14/2000
HERCULES COUNTRY CLUB, INC., A DELAWARE CORPORATION
Exec Dt:
11/14/2000
HERCULES EURO HOLDINGS, LLC, A DELAWARE LIMIITED LIABILITY COMPANY
Exec Dt:
11/14/2000
HERCULES INTERNATIONAL LIMITED, LLC, A DELAWARE LIMITED LIABILITY COMPANY
Exec Dt:
11/14/2000
HERCULES INVESTMENTS, LLC, A DELAWARE LIMITED LIABILITY
Exec Dt:
11/14/2000
HISPAN CORPORATION, A DELAWARE CORPORATION
Exec Dt:
11/14/2000
Assignee:
BANK OF AMERICA, N.A., AS COLLATERAL AGENT
INDEPENDENCE CENTER, 15TH FLOOR
101 N. TYRON STREET
CHARLOTTE, NORTH CAROLINA 28255
Correspondent:
MOORE & VAN ALLEN PLLC
STEVEN D. THOMAS
2200 WEST MAIN ISTREET
SUITE 800
DURHAM, NORTH CAROLINA 27705
Assignment: 5
Reel/Frame:
012983/0754Recorded: 06/14/2002Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
BETZDEARBORN, INC.
Exec Dt:
04/28/2002
Assignee:
HERCULES INCORPORATED
LAW DEPARTMENT, 8TH FLOOR
1313 N. MARKET STREET HERCULES PLAZA
WILMINGTON, DELAWARE 19894
Correspondent:
HERCULES INCORPORATED
1313 NORTH MARKET
HERCULES PLAZA
LAW DEPARTMENT - 8TH FLOOR
WILMINGTON, DE 19894
Assignment: 6
Reel/Frame:
013663/0636Recorded: 01/02/2002Pages: 7
Conveyance:
RELEASE OF SECURITY INTEREST
Assignor:
BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Exec Dt:
12/19/2002
Assignees:
HERCULES INCORPORATED
1313 NORTH MARKET STREET
WIMINGTON, DELAWARE 19894-0001
HERCULES CREDIT, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES FLAVOR, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
WSP, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
AQUALON COMPANY
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES FINANCE COMPANY
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS, L.L.C.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS INCORPORATED
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS PRODUCTS, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES INTERNATIONAL LIMITED
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZBEARBORN, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZDEARBORN EUROPE, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
D R C LTD.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BL TECHNOLOGIES, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BLI HOLDING CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES SHARED SERVICES CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZDEARBORN INTERNATIONAL, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
ATHENS HOLDINGS, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZDEARBORN CHINA, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BL CHEMICALS INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
CHEMICALS TECHNOLOGIES INDIA, LTD.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
COVINGTON HOLDING, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
EAST BAY REALTY SERVICES, L.P.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS, L.P.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES CHEMICAL CORPORATION
1313 MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES COUNTRY CLUB, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES EURO HOLDINGS, LLC
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES INTERNATIONAL LIMITED L.L.C.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES INVESTMENTS, LLC
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HISPAN CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
Correspondent:
MOORE & VAN ALLEN, PLLC
STEVEN D. THOMAS
2200 WEST MAIN STREET
SUITE 800
DURHAM, NC 27705
Assignment: 7
Reel/Frame:
013669/0427Recorded: 05/15/2003Pages: 10
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Exec Dt:
12/19/2002
Assignees:
HERCULES INCORPORATED
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES CREDIT, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES FLAVOR, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
WSP, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
AQUALON COMPANY
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES FINANCE COMPANY
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS, L.L.C.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISION INCORPORATED
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS PRODUCTS, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES INTERNATIONAL LIMITED
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZDEARBORN, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZDEARBORN EUROPE, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
D R C LTD.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BL TECHNOLOGIES, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BLI HOLDING CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES SHARED SERVICES CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-001
BETZDEARBORN INTERNATIONAL, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-001
ATHENS HOLDINGS, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BETZDEARBORN CHINA, LTD.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
BL CHEMICALS INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
CHEMICAL TECHNOLOGIES INDIA, LTD.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
COVINGTON HOLDINGS, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
EAST BAY REALTY SERVICES, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
FIBERVISIONS, L.P.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES CHEMICAL CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES COUNTRY CLUB, INC.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES EURO HOLDINGS, LLC
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES INTERNATIONAL LIMITED, L.L.C.
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HERCULES INVESTMENTS, LLC
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
HISPAN CORPORATION
1313 NORTH MARKET STREET
WILMINGTON, DELAWARE 19894-0001
Correspondent:
MOORE & VAN ALLEN, PLLC
STEVEN D. THOMAS
2200 WEST MAIN STREET
STE. 800
DURHAM, NC 27705
Assignment: 8
Reel/Frame:
013608/0837Recorded: 12/27/2002Pages: 15
Conveyance:
NOTICE OF GRANT SECURITY INTEREST
Assignor:
HERCULES INCORPORATED
Exec Dt:
12/20/2002
Assignee:
CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
11 MADISON AVENUE
NEW YORK, NEW YORK 10010
Correspondent:
MOORE & VAN ALLEN PLLC
STEVEN D. THOMAS
2200 WEST MAIN STREET
SUITE 800
DURHAM, NC 27705
Assignment: 9
Reel/Frame:
021901/0257Recorded: 12/01/2008Pages: 7
Conveyance:
PATENT TERMINATION CS-013608-0837
Assignor:
CREDIT SUISSE, CAYMAN ISLANDS BRANCH
Exec Dt:
11/13/2008
Assignee:
HERCULES INCORPORATED
1313 NORTH MARKET STREET
HERCULES PLAZA
WILMINGTON, DELAWARE 19894-0001
Correspondent:
CORPORATION SERVICE COMPANY
1090 VERMONT AVENUE NW, SUITE 430
ATTN: JEAN PATERSON
WASHINGTON, DC 20005
Assignment: 10
Reel/Frame:
005327/0451Recorded: 06/15/1990Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
BETZ LABORATORIES, INC.
Exec Dt:
00/00/0000
Assignee:
BETZ PAPERCHEM, INC., 7510 BAY MEADOWS WAY, JACKSONVILLE, FL 32216
Correspondent:
ALEXANDER D. RICCI,ESQ.
BETZ LABORATORIES,INC.
4636 SOMERTON RD.
TREVOSE, PA. 19047

Search Results as of: 08/05/2025 04:12 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