Robert W. Johnson Jr.

Person

Savannah, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of light-colored rosin esters
- Patent number 5,162,496
- Issue date Nov 10, 1992
- Union Camp Corporation
- Robert W. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Acid-modified polyhydric alcohol rosin ester tackifiers and hot mel...
- Patent number 5,120,781
- Issue date Jun 9, 1992
- Union Camp Corporation
- Robert W. Johnson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilization of modified rosin
- Patent number 5,023,319
- Issue date Jun 11, 1991
- Union Camp Corporation
- Samuel D. Hollis
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Stabilized rosin esters and hot melt adhesives containing them
- Patent number 5,019,167
- Issue date May 28, 1991
- Union Camp Corporation
- Robert W. Johnson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of improving the color of tall oil rosin esters by recrystal...
- Patent number 4,962,186
- Issue date Oct 9, 1990
- Union Camp Corporation
- Robert W. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of preparing rosin esters of improved thermal stability with...
- Patent number 4,788,009
- Issue date Nov 29, 1988
- Union Camp Corporation
- Robert W. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process of preparing polyol esters of rosin with excess rosin
- Patent number 4,758,379
- Issue date Jul 19, 1988
- Union Camp Corporation
- Robert W. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of preparing hot-melt stable rosin ester with organic ester...
- Patent number 4,693,847
- Issue date Sep 15, 1987
- Union Camp Corporation
- Robert W. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of preparing rosin ester from polyol with phosphorous acid c...
- Patent number 4,690,783
- Issue date Sep 1, 1987
- Union Camp Corporation
- Robert W. Johnson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing rosin esters of improved color
- Patent number 4,585,584
- Issue date Apr 29, 1986
- Union Camp Corporation
- Robert W. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Robert W. Johnson Jr.

Person

Patents Grantslast 30 patents

Method for the preparation of light-colored rosin esters

Acid-modified polyhydric alcohol rosin ester tackifiers and hot mel...

Stabilization of modified rosin

Stabilized rosin esters and hot melt adhesives containing them

Method of improving the color of tall oil rosin esters by recrystal...

Method of preparing rosin esters of improved thermal stability with...

Process of preparing polyol esters of rosin with excess rosin

Method of preparing hot-melt stable rosin ester with organic ester...

Method of preparing rosin ester from polyol with phosphorous acid c...

Process for preparing rosin esters of improved color