IP Library › Assignment 004558/0008
Patent Assignment
Reel/Frame 004558/0008

Assignment of Assignors Interest.

Recorded: 1986-05-20 Pages: 1
Assignor
MINZGHOR, KARSTEN R.
Executed: 1986-05-09
Assignee
VIRGINIA CHEMICALS, INC.
A CORP. OF DE., PORTSMOUTH, VIRGINIA
Covered Property (1)
Method of Preparing Reproducibly Stable Aqueous Suspensions of Sodium Dithionite for Woodpulp Bleaching
Patent: 4,729,886 →
Application: 06/865,092 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 20, 1986
From: LITTLE, EDWIN D.
To: VIRGINIA CHEMICALS, INC.
Reel/Frame 004558/0009 →
Merger Feb 17, 1989
From: VIRGINIA CHEMICALS INC.
To: HOECHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 005025/0662 →