Patent Assignment
Reel/Frame 003938/0131
Assignment of Assignors Interest.
Recorded: 1981-12-18
Pages: 7
Covered Properties
(26)
Corrosion Inhibiting Compositions and Method
Patent:
3,669,616 →
Application:
05/184,620 →
Sodium Dithionite Solution Stabilization
Patent:
3,804,944 →
Application:
05/255,769 →
Integral Suction Line Accumulator/Filter-Drier
Patent:
4,354,362 →
Application:
06/204,807 →
Byproduct Recovery from a Pentaerythritol Waste Stream
Patent:
4,277,620 →
Application:
06/126,174 →
Process for Manufacture of Stable Sodium Dithionite Slurries
Patent:
4,283,303 →
Application:
06/156,744 →
Balanced Single Port Thermostatic Expansion Valve
Patent:
4,095,742 →
Application:
05/718,006 →
Step for Passenger Conveyor
Patent:
4,362,232 →
Application:
06/125,780 →
Treatment of Waste Stream from Pentaerythritol Production
Patent:
4,328,366 →
Application:
06/124,650 →
Corrosion Inhibiting Method
Patent:
3,669,615 →
Application:
05/076,221 →
Corrosion Inhibiting Compositions and Method
Patent:
3,669,616 →
Application:
05/184,620 →
Corrosion Inhibitor Composition Containing Zinc, Sulfamate, and Phosph Ate Ions
Patent:
3,669,901 →
Application:
05/083,203 →
Production of Alkali Metal Dithionites from Sulfur Dioxide, Alkali Metal Formates, and Slurried Bisulfite Compounds at High Reactant Concentrations
Patent:
4,218,429 →
Application:
05/906,583 →
Byproduct Recovery from a Pentaerythritol Waste Stream
Patent:
4,277,620 →
Application:
06/126,174 →
Acid Field Test Kit for Refrigeration Oils Containing a Leak Detector
Patent:
4,288,402 →
Application:
06/033,240 →
Treatment of Waste Stream from Pentaerythritol Production
Patent:
4,328,366 →
Application:
06/124,650 →
Integral Suction Line Accumulator/Filter-Drier
Patent:
4,354,362 →
Application:
06/204,807 →
Refrigerant Suction Line Filter/Filter-Drier and Method for the Construction Thereof
Patent:
4,364,756 →
Application:
06/281,213 →
Rehardening of Copper Connectors
Patent:
4,423,618 →
Application:
06/302,098 →
Sodium Dithionite Solution Stabilization
Patent:
3,804,944 →
Application:
05/255,769 →
Balanced Single Port Thermostatic Expansion Valve
Patent:
4,095,742 →
Application:
05/718,006 →
Process for Manufacture of Stable Sodium Dithionite Slurries
Patent:
4,283,303 →
Application:
06/156,744 →
Replacetable Float Oil Separator
Patent:
4,310,338 →
Application:
06/135,780 →
Production of Alkali Metal Dithionites from Sulfur Dioxide, Alkali Metal Formates, and Slurried Bisulfite Compounds at High Reactant Concentrations
Patent:
4,218,429 →
Application:
05/906,583 →
Sodium Formate Recovery Process
Application:
06/182,766 →
Acid Field Test Kit for Refrigeration Oils Containing a Leak Detector
Patent:
4,288,402 →
Application:
06/033,240 →
Rehardening of Copper Connectors
Patent:
4,423,618 →
Application:
06/302,098 →
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 29, 1980
From: GUPTON FRANK; ULLMER HARRY E.
To: VIRGINIA CHEMICALS INC, A CORP. OF MAINE
Reel/Frame 003797/0675 →
Assignment of Assignors Interest.
Nov 7, 1980
From: SCHUMACHER ERNEST W.; EVANS STEPHEN E.
To: VIRGINIA CHEMICALS INC., 334 WEST NORFOLK RD. PORTSMOUTH, VA. A CORP. OF MAINE
Reel/Frame 003847/0931 →
Assignment of Assignors Interest.
Jul 7, 1981
From: CLARKE, JOHN P.; SCHUMACHER, ERNEST W.
To: VIRGINIA CHEMICALS INC.
Reel/Frame 003899/0724 →
Assignment of Assignors Interest.
Sep 14, 1981
From: CLARKE, JOHN P.
To: VIRGINIA CHEMICALS INC.
Reel/Frame 003923/0193 →
Assignment of Assignors Interest.
Nov 13, 1984
From: VIRGINIA CHEMICALS INC.
To: VIRGINIA KMP CORPORATION, A CORP OF TX
Reel/Frame 004327/0467 →
Assignment of Assignors Interest.
Apr 22, 1985
From: VIRGINIA CHEMICALS INC.
To: TECHNICAL PRODUCTS CORPORATION
Reel/Frame 004390/0280 →
Assignment of Assignors Interest.
Apr 29, 1985
From: VIRGINIA CHEMICALS INC.
To: MURRAY, WILLIAM BRUCE
Reel/Frame 004395/0529 →
Merger
Feb 17, 1989
From: VIRGINIA CHEMICALS INC.
To: HOECHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 005025/0662 →