P

Inventor

HOLSTEDT RICHARD A

US19 patents

Patents

19 patents
US4657686AApr 14, 1987

Lubricating compositions

UNION OIL CO26 citations92
US4623474ANov 18, 1986

Oxidation and corrosion inhibitors for boron-containing lubricants

UNION OIL CO39 citations92
US4557843ADec 10, 1985

Boron-containing heterocyclic compounds and lubricating compositions containing the same

UNION OIL CO38 citations92
US4533480AAug 6, 1985

Bis(hydrocarbyloxy methylated) boron-containing, heterocyclic compounds and lubricating compositions containing the same

UNION OIL CO29 citations92
US4427560AJan 24, 1984

Anti-oxidation and corrosion inhibitors for boron-containing lubricants

UNION OIL CO32 citations92
US4412928ANov 1, 1983

Corrosion inhibitors for boron-containing lubricants

UNION OIL CO31 citations92
US4410436AOct 18, 1983

Lubricating oil containing a boron compound and corrosion inhibitors

UNION OIL CO40 citations92
US4629580ADec 16, 1986

Boron-containing heterocyclic compounds and lubricating oil containing same

UNION OIL CO21 citations82
US4629579ADec 16, 1986

Boron derivatives

UNION OIL CO19 citations82
US4627930ADec 9, 1986

Boron-containing heterocyclic compounds and lubricating oil containing same

UNION OIL CO21 citations82
US4490265ADec 25, 1984

Lubricating compositions

UNION OIL CO23 citations81
US4400284AAug 23, 1983

Boron derivatives as lubricant additives

UNION OIL CO27 citations81
US4801729AJan 31, 1989

Lubricating compositions

UNION OIL CO12 citations74
US4724099AFeb 9, 1988

Lubricating compositions

UNION OIL CO12 citations74
US4595514AJun 17, 1986

Boron-containing heterocyclic compound and lubricating compositions containing same

UNION OIL CO18 citations74
US4756842AJul 12, 1988

Lubricating compositions

UNION OIL CO14 citations73
US4701274AOct 20, 1987

Trisubstituted-borate compounds

UNION OIL CO12 citations73
US4511516AApr 16, 1985

Boron containing heterocyclic compounds

UNION OIL CO16 citations73
US4686056AAug 11, 1987

Metal-boron derivatives as lubricant additives

UNION OIL CO2 citations62