Patent Assignment
Reel/Frame 003944/0922
Assignment of Assignors Interest.
Recorded: 1981-11-25
Pages: 2
Assignees
BLACK CLAWSON COMPANY, THE, A CORP. OF OH.
605 CLARK ST., MIDDLETOWN, OHIO
AIR PRODUCTS AND CHEMICALS, INC., A CORP. OF DE.
P.O. BOX 538, ALLENTOWN, PENNSYLVANIA
Covered Property
(1)
Method and Apparatus for Controlled Addition of Alkaline Chemicals to an Oxygen Delignification Reaction
Patent:
4,431,480 →
Application:
06/315,672 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 9, 1984
From: BLACK CLAWSON COMPANY, THE
To: WALTER E. HELLER & COMPANY, INC.
Reel/Frame 004250/0792 →
Security Interest
Aug 2, 1988
From: BLACK CLAWSON COMPANY, THE; HYDROTILE MACHINERY COMPANY
To: CHEMICAL BANK, AS AGENT
Reel/Frame 004930/0102 →
Security Interest Amendment to Agreement 6/01/88. See Record for Details.
May 21, 1990
From: CHEMICAL BANK
To: BANK ONE, DAYTON, NATIONAL ASSOCIATION
Reel/Frame 005319/0279 →
Security Interest
Jan 21, 1993
From: BLACK CLAWSON COMPANY, THE; BLACK CLAWSON CONVERTING LABORATORY, INC.; BLACK CLAWSON CONVERTING MACHINERY CORP.; BC MANUFACTURING CO., INC.
To: CENTRAL TRUST COMPANY, N.A., THE
Reel/Frame 006385/0847 →
Released by Secured Party
Jan 21, 1993
From: BANK ONE, DAYTON, NATIONAL ASSOCIATION; CENTRAL TRUST COMPANY, N.A.; DNC AMERICA BANKING CORPORATION
To: BLACK CLAWSON COMPANY; HYDROTILE MACHINERY COMPANY (NOW KNOWN AS BC MANUFACTURING CO., INC.)
Reel/Frame 006414/0133 →