Patents by Inventor James A. Supp
James A. Supp has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6207624Abstract: Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of (A) a nitrogen containing dispersant with a total base number of from 20 to 160 on an oil-free basis wherein the improvement comprises adding to said dispersant; (B) a sludge preventing/seal protecting additive of at least one aldehyde or epoxide or mixtures thereof.Type: GrantFiled: July 13, 2000Date of Patent: March 27, 2001Assignee: The Lubrizol CorporationInventors: Carl F. Stachew, William D. Abraham, James A. Supp, James R. Shanklin, Gordon David Lamb
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Patent number: 6121211Abstract: Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of(A) at least one thiocarbamate wherein the improvement comprises adding to said thiocarbamate(B) a sludge preventing and seal protecting amount of at least one aldehyde or epoxide or mixtures thereof.Type: GrantFiled: July 17, 1998Date of Patent: September 19, 2000Assignee: The Lubrizol CorporationInventors: Carl F. Stachew, William D. Abraham, James A. Supp, James R. Shanklin, Gordon David Lamb
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Patent number: 6001783Abstract: This invention relates to a composition, comprising:(A) at least one compound selected from the group consisting of(A-1) a compound represented by the formulaT.sup.1 T.sup.2 --P(X.sup.1)--(S).sub.n --S--C (X.sup.2)--L.sup.1(A-I)(A-2) a compound represented by the formulaT.sup.3 T.sup.4 --P(X.sup.3)--(S).sub.n --S--(DMTD)--S--J (A-II)(A-3) a compound represented by the formulaL.sup.2 --C(X.sup.4)--(S).sub.n --S--(DMTD)--S--G (A-III)and(A-4) mixture of two or more of (A-1), (A-2) and (A-3);wherein in Formulae (A-I), (A-II) and (A-III): (DMTD) is a dimercaptothiadiazole nucleus; J is H, SR, --S--P(X.sup.5)--T.sup.5 T.sup.6 or --S--C(X.sup.6)-L.sup.3G is H, SR or --S--C(X.sup.7)--L.sup.4T.sup.1, T.sup.2, T.sup.3, T.sup.4, T.sup.5 and T.sup.6 are independently R, SR or OR; L.sup.1, L.sup.2, L.sup.3 and L.sup.4 are independently R, SR, OR or NRR; X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6 and X.sup.7 are independently O or S; each R is independently a hydrocarbyl group; and n is 1 to 4.Type: GrantFiled: March 24, 1997Date of Patent: December 14, 1999Assignee: The Lubrizol CorporationInventors: John S. Manka, William D. Abraham, Stephen H. Roby, James A. Supp, Richard Yodice
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Patent number: 5902776Abstract: This invention relates to a composition, comprising:(A) a metal, amine or ammonium salt of a compound represented by the formula ##STR1## wherein in Formula (A-I), X.sup.1, X.sup.2 and X.sup.3 and X.sup.4 are independently O or S, X.sup.1 and X.sup.2 can be NR.sup.3, a and b are independently zero or 1, and R.sup.1, R.sup.2 and R.sup.3 are independently hydrocarbyl groups and R.sup.3 can be hydrogen; and(B) a thiocarbamate represented by the formulaR.sup.1 R.sup.2 N--C(X)S--(CR.sup.3 R.sup.4).sub.a Z (B-I)wherein in Formula (B-I), R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen or hydrocarbyl groups, provided that at least one of R.sup.1 and R.sup.2 is a hydrocarbyl group; X is O or S; a is 1 or 2; and Z is an activating group, a hydrocarbyl group, a hydroxy hydrocarbyl group, a hetero group, or a --SC(X)--NR.sup.1 R.sup.2 group; provided that when a is 2, Z is an activating group.Type: GrantFiled: May 7, 1998Date of Patent: May 11, 1999Assignee: The Lubrizol CorporationInventors: Brent R. Dohner, James A. Supp
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Patent number: 5834407Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and a minor amount of(A) a compound represented by the formula ##STR1## wherein in Formula (A-I): X.sup.1, X.sup.2 and X.sup.3 are independently O or S, and X.sup.2 and X.sup.3 can be NR.sup.1 wherein R.sup.1 is hydrogen or hydrocarbyl; and G.sup.1, G.sup.2, G.sup.3 and G.sup.4 are independently R.sup.2, OR.sup.2 or R.sup.3 OR.sup.2, wherein R.sup.2 is hydrogen or hydrocarbyl and R.sup.3 is hydrocarbylene or hydrocarbylidene. In one embodiment, the inventive composition further comprises (B) an acylated nitrogen-containing compound having a substituent of at least about 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a phosphorus compound. In one embodiment, the inventive composition further comprises (D) a thiocarbamate. In one embodiment, the inventive composition further comprises (E) a organic sulfide.Type: GrantFiled: August 21, 1996Date of Patent: November 10, 1998Assignee: The Lubrizol CorporationInventors: John S. Manka, James A. Supp, Mohamed G. Fahmy
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Patent number: 5726132Abstract: This invention relates to compositions for improving fuel efficiency in internal combustion engines. The composition comprises a lubricant having an oil of lubricating viscosity and (A) a compound represented by the formula ##STR1## wherein in Formula (A-I), R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrocarbyl groups, X.sup.1 and X.sup.2 are independently O or S, and n is zero to 3; and (B) an acylated nitrogen-containing compound having a substituent of at least 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a second phosphorus compound other than (A), said second phosphorus compound being a phosphorus acid, phosphorus acid ester, phosphorus acid salt, or derivative thereof. In one embodiment, the inventive composition further comprises (D) an alkali or alkaline earth metal salt of an organic sulfur acid, carboxylic acid or phenol. In one embodiment, the inventive composition further comprises (E) a thiocarbamate.Type: GrantFiled: February 28, 1997Date of Patent: March 10, 1998Assignee: The Lubrizol CorporationInventors: Stephen H. Roby, James A. Supp, John S. Manka, William D. Abraham
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Patent number: 5712230Abstract: This invention relates to a composition, comprising: (AT) reaction products of compounds represented by the formula (A)and compounds selected to reduce the polysulfide components of (A); and ##STR1## wherein in Formula (A), R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrocarbyl groups, X.sup.1 and X.sup.2 are independently O or S, and n is zero to 3 (B) an acylated nitrogen-containing compound having a substituent of at least 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a second phosphorus compound other than (A), said second phosphorus compound being a phosphorus acid, phosphorus acid ester, phosphorus acid salt, or derivative thereof. In one embodiment, the inventive composition further comprises (D) an alkali or alkaline earth metal salt of an organic sulfur acid, carboxylic acid or phenol.Type: GrantFiled: March 10, 1997Date of Patent: January 27, 1998Assignee: The Lubrizol CorporationInventors: William D. Abraham, John S. Manka, Stephen H. Roby, James A. Supp
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Patent number: 5705458Abstract: This invention relates to a composition, comprising: (A) a compound represented by the formula ##STR1## wherein in Formula (A-I), G.sup.1 and G.sup.2 are independently R, OR, SR or NRR wherein each R is independently a hydrocarbyl group, X.sup.1 and X.sup.2 are independently O or S, and n is zero to 3; and (B) an acylated nitrogen-containing compound having a substituent of at least 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a phosphorus compound. In one embodiment, the inventive composition further comprises (D) an alkali or alkaline earth metal salt of an organic sulfur acid, carboxylic acid or phenol. In one embodiment, the inventive composition further comprises (E) a thiocarbamate. These compositions are useful in providing lubricating compositions and functional fluids with enhanced antiwear properties.Type: GrantFiled: October 24, 1996Date of Patent: January 6, 1998Assignee: The Lubrizol CorporationInventors: Stephen H. Roby, James A. Supp, William D. Abraham, John S. Manka
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Patent number: 5693598Abstract: This invention relates to a low-viscosity lubricating oil and functional fluid compositions, comprising: a major amount of an oil having a kinematic viscosity of up to about 4 cST at 100.degree. C.; and a minor antiwear amount of(A) a compound represented by the formulaR.sup.1 R.sup.2 N--C(X)S--(CR.sup.3 R.sup.4).sub.a Z (A-I)wherein in Formula (A-I), R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen or hydrocarbyl groups, provided that at least one of R.sup.1 and R.sup.2 is a hydrocarbyl group; X is O or S; a is zero, 1 or 2; and Z is a hydrocarbyl group, a hetero group, a hydroxy hydrocarbyl group, an activating group, or a --(S).sub.b C(X)--NR.sup.1 R.sup.2 group wherein b is zero, 1 or 2; provide that when a is 2, Z is an activating group; and when a is zero, Z can be an ammonium, amine or metal cation. In one embodiment this composition further comprises (B) a phosphorus compound.Type: GrantFiled: September 3, 1996Date of Patent: December 2, 1997Assignee: The Lubrizol CorporationInventors: William D. Abraham, Brent R. Dohner, John S. Manka, Stephen H. Roby, James A. Supp
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Patent number: 5674820Abstract: This invention relates to a composition, comprising: (A) a compound represented by the formula ##STR1## wherein in Formula (A-I), R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrocarbyl groups, X.sup.1 and X.sup.2 are independently O or S, and n is zero to 3; and (B) an acylated nitrogen-containing compound having a substituent of at least 10 aliphatic carbon atoms, In one embodiment, the inventive composition further comprises (C) a second phosphorus compound other than (A), said second phosphorus compound being a phosphorus acid, phosphorus acid ester, phosphorus acid salt, or derivative thereof, In one embodiment, the inventive composition further comprises (D) an alkali or alkaline earth metal salt of an organic sulfur acid, carboxytic acid or phenol. In one embodiment, the inventive composition further comprises (E) a thiocarbamate. These compositions are useful in providing lubricating compositions and functional fluids with enhanced antiwear properties.Type: GrantFiled: September 5, 1996Date of Patent: October 7, 1997Assignee: The Lubrizol CorporationInventors: John S. Manka, William D. Abraham, Stephen H. Roby, James A. Supp, Craig D. Tipton