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: 7
Patent #:
4525509
Issue Dt:
06/25/1985
Application #:
06562303
Filing Dt:
12/16/1983
Inventors:
WOOD E. HUNTER, GARY P. CRAUN
Title:
METHOD FOR PRODUCING FREE-FLOWING, WATER-SOLUBLE POLYMER GELS
Assignment: 1
Reel/Frame:
004386/0380Recorded: 04/11/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
HUNTER, WOOD E.
Exec Dt:
12/01/1983
CRAUN, GARY P.
Exec Dt:
12/01/1983
Assignee:
CALGON CORPORATION
ROUTE 60 & CAMPBELLS RUN ROAD
ROBINSON TOWNSHIP, PENNSYLVANIA
Correspondent:
WILLIAM C. MITCHELL, ESQ.
PATENT DEPT.
MERCK & CO., INC.
P.O. BOX 2000
RAHWAY, NJ 07065
Assignment: 2
Reel/Frame:
007027/0973Recorded: 06/21/1994Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
CALGON CORPORATION
Exec Dt:
06/20/1994
Assignee:
ECC SPECIALTY CHEMICALS, INC.
P.O. BOX 1346 ROUTE 60 & CAMPBELLS RUN ROAD ROBINSON TOWNSHIP PITTSBURGH, PA 15230
PENNSYLVANIA
Correspondent:
CALGON CORPORATION
CRAIG C. COCHENOUR, ESQ.
P.O. BOX 1346, ROBINSON TOWNSHIP
ROUTE 60 & CAMPBELLS RUN ROAD
PITTSBURGH, PA 15230
Assignment: 3
Reel/Frame:
007027/0980Recorded: 06/21/1994Pages: 8
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ECC SPECIALTY CHEMICALS, INC.
Exec Dt:
06/20/1994
Assignee:
CALGON CORPORATION
P.O. BOX 1346 ROUTE 60 & CAMPBELLS RUN ROAD ROBINSON TOWNSHIP PITTSBURGH, PA 15230
PENNSYLVANIA
Correspondent:
CALGON CORPORATION
CRAIG C. COCHENOUR, ESQ.
P.O. BOX 1346, ROBINSON TOWNSHIP
ROUTE 60 & CAMPBELLS RUN ROAD
PITTSBURGH, PA 15230
Assignment: 4
Reel/Frame:
014805/0053Recorded: 12/08/2003Pages: 13
Conveyance:
GRANT OF SECURITY INTEREST
Assignor:
CALGON CORPORATION
Exec Dt:
11/11/2003
Assignee:
CITICORP NORTH AMERICA, INC., AS ADMINISTRATIVE AGENT
390 GREENWICH STREET
NEW YORK, NEW YORK 10013
Correspondent:
TONYA CHAPPLE
C/O CSC
80 STATE ST.
ALBANY, NY 12207
Assignment: 5
Reel/Frame:
041836/0364Recorded: 02/28/2017Pages: 14
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NALCO COMPANY
Exec Dt:
12/31/2015
Assignee:
NALCO COMPANY LLC
1209 ORANGE STREET
WILMINGTON, DELAWARE 19801
Correspondent:
ECOLAB USA INC.
1 ECOLAB PLACE
ST. PAUL, MN 55102
Assignment: 6
Reel/Frame:
041836/0437Recorded: 02/28/2017Pages: 68
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
NALCO COMPANY LLC
Exec Dt:
02/27/2017
CALGON CORPORATION
Exec Dt:
02/27/2017
CALGON LLC
Exec Dt:
02/27/2017
ONDEO NALCO ENERGY SERVICES, L.P.
Exec Dt:
02/27/2017
Assignee:
ECOLAB USA INC.
1 ECOLAB PLACE
ST. PAUL, MINNESOTA 55102
Correspondent:
ECOLAB USA INC.
1 ECOLAB PLACE
ST. PAUL, MN 55102
Assignment: 7
Reel/Frame:
041837/0366Recorded: 02/28/2017Pages: 42
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
CITICORP NORTH AMERICA, INC.
Exec Dt:
02/27/2017
Assignee:
NALCO COMPANY
1601 W DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Correspondent:
ECOLAB USA INC.
1 ECOLAB PLACE
ST. PAUL, MN 55102

Search Results as of: 05/29/2024 11:01 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