Oxygen Organic Compound Containing Patents (Class 252/403)
  • Patent number: 4116855
    Abstract: N,N'-[(thiocarbonyl)thio]dimorpholine is stabilized, as an acceleration for rubber, by incorporating therein various unsaturated amides or esters.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: September 26, 1978
    Assignee: American Cyanamid Company
    Inventor: Rudolf Adolf Behrens
  • Patent number: 4104196
    Abstract: Novel, nonabsorbable antioxidants of the general formula (An).sub.n R wherein An is a means for preventing oxidation of an oxidizable material, R is a means for essentially restricting the absorption of An in a biological environment, .about. is a means for covalently bonding An to R for a prolonged time, and n is at least one. The nonabsorbable antioxidants are useful as stabilizers in oxidizable materials without any substantial absorption of the antioxidant in the biological environment.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: August 1, 1978
    Assignee: Dynapol
    Inventor: Alejandro Zaffaroni
  • Patent number: 4102810
    Abstract: The conjoint use of an ethoxylated phenol such as 2-phenoxyethanol, as a bacteriostatic and fungistatic agent and an alkali metal fluoride such as sodium fluoride as a stabilizer in a system used for specified hemotological reagents. Sodium fluoride is added as a counterbalancing agent to the action of 2-phenoxyethanol. A cleaning solution for electronic particle counting apparatus, a lysing reagent and an artificial plasma which can be used as a control in blood sample analysis are disclosed.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: July 25, 1978
    Assignee: Coulter Electronics, Inc.
    Inventor: Douglas Armstrong
  • Patent number: 4096242
    Abstract: This invention relates to a product of manufacture comprising a stabilized composition of between about 0.05 and about 15 weight percent of a normally liquid, branched chain dodecyl isomeric mixture of dodecyl-hydroxyphenyl benzotriazole in combination with a heat or light sensitive material, such as a cosmetic preparation, a sunscreening lotion, a polymeric material, a paint, varnish, pigment or dye; and to the method of producing said product.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: June 20, 1978
    Assignee: GAF Corporation
    Inventor: Albert F. Strobel
  • Patent number: 4086172
    Abstract: A lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants comprises an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester-olefins, and a hydroxy amine of the formula: ##STR1## wherein A and A' are C.sub.2 -C.sub.10 alkylene, R is C.sub.1 -C.sub.30 alkyl, Y is H, C.sub.1 -C.sub.6 alkyl of --A--OH, y is 0, 1 or 2, and x is 1 or 2. Lubricating oil compositions containing this additive composition are also disclosed.
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: April 25, 1978
    Assignee: Chevron Research Company
    Inventor: Warren Lowe
  • Patent number: 4081386
    Abstract: Reaction mixtures made from reacting one or more substituted di- and triazines of the formula: ##STR1## wherein Q and Q' are each independently halo, hydrocarbyloxy of the formula --OR and hydrocarbyl of the formula --R, wherein each R independently contains up to about 20 carbon atoms, with the proviso that at least one of Q and Q' is either hydrocarbyloxy or halogen; X and X' are each independently oxygen, divalent sulfur, .dbd.NH, and .dbd.NR.sub.1 wherein R.sub.1 is hydrocarbyl up to about 20 carbon atoms; and each R' is independently hydrogen or hydrocarbyl of up to about 10 carbon atoms; with (B) one or more mercapto compounds such as mercaptans, thiolphosphorus acids, thiocarbamates, and thiocarbonates are useful in fuels and lubricants.
    Type: Grant
    Filed: October 1, 1976
    Date of Patent: March 28, 1978
    Assignee: The Lubrizol Corporation
    Inventor: Roger L. Sowerby
  • Patent number: 4077911
    Abstract: A colored detergent composition comprising a sulfate- or sulfonate-type anionic organic surfactant, a coloring agent, and from 0.02 to 1 percent by weight, based on the weight of said surfactant, of butylated hydroxytoluene or butylated hydroxyanisole. The detergent composition possesses the property of reduced color fading.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: March 7, 1978
    Assignee: Kao Soap Co., Ltd.
    Inventors: Takeo Okumura, Shizuo Hayashi, Kanji Majima, Kensuke Takei
  • Patent number: 4077971
    Abstract: A compound of the formula, wherein R.sub.1 is hydrogen or a halogen atom, R.sub.2 is ##STR1## R.sub.3 is hydrogen, an alkyl group, a cycloalkyl group or an aralkyl group, and n is an integer of 1 or 2, which is useful as ultraviolet absorber.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: March 7, 1978
    Assignees: Sumitomo Chemical Company, Limited, Kyodo Chemical Company, Ltd.
    Inventors: Taira Fujita, Kondo Yutaka, Nozomi Abe, Takashi Akamatsu
  • Patent number: 4075121
    Abstract: A wood preservative composition for control of wood decay by fungi, which comprises 2H-benzopyran-2-spiro-3'-phthalide or its derivatives such as 6-methyl-2H-benzopyran-2-spiro-3'-phthalide or benzo[f]-2H-benzopyran-2-spiro-3'-phthalide as an active ingredient. The active ingredient has extremely low mammalian toxicity, and exhibits an excellent wood-decay controlling effect.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: February 21, 1978
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Kazuhiko Konno, Yosio Hayasi, Eiji Taniyama, Tetsuo Sekiya
  • Patent number: 4073745
    Abstract: The invention relates to multichromophoric compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the multichromophoric composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: February 14, 1978
    Assignee: Eastman Kodak Company
    Inventors: Richard H. S. Wang, Joseph S. Zannucci
  • Patent number: 4070304
    Abstract: Synergistic antioxidant compositions consisting of certain hindered phenols such as 2,4-dimethyl-6-octyl phenol and 4,4'-bis (.alpha.,.alpha.-dimethylbenzyl) diphenyl amine are useful to stabilize polyether polyols against oxidative degradation and prevent scorch in polyurethane foams prepared from the polyether polyols.
    Type: Grant
    Filed: August 19, 1976
    Date of Patent: January 24, 1978
    Assignee: The Dow Chemical Company
    Inventor: Kenneth J. Hinze
  • Patent number: 4062797
    Abstract: The present invention relates to an improved vulcanization accelerator composition. More particularly, it relates to storage stable blends of accelerators, particularly benzothiazole sulfenamides and thiuram sulfides, and to a method for their preparation.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: December 13, 1977
    Assignee: American Cyanamid Company
    Inventor: Rudolf Adolf Behrens
  • Patent number: 4062800
    Abstract: The invention relates to bichromophoric benzoxazole-styrene ester and amide compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the bichromophoric composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: December 13, 1977
    Assignee: Eastman Kodak Company
    Inventors: Gether Irick, Jr., Charles A. Kelly, James C. Martin
  • Patent number: 4051102
    Abstract: Compounds having the formula ##STR1## wherein R is alkylene,M is hydrogen or a metal, andm has a value of from 1 to 4,Are good light stabilizers. The amino acids may be formed, for example, from 1,3,3-trimethyl-3-azabicyclo[2.2.2]octane-5-ol and sebacic acid to give o-mono(1,3,3-trimethyl-2-azabicyclo[2.2.2]octane-5-ol)sebacate. The metal salts of the acids are readily prepared by reacting the acids or their salts with a reactive form of the metal or metal complex.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: September 27, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Chester E. Ramey, John J. Luzzi
  • Patent number: 4038280
    Abstract: New 4-(4'-hydroxyaryl)-2,2,6,6-tetramethyl-piperidines are used as stabilisers for organic materials, especially for polymers.
    Type: Grant
    Filed: November 28, 1972
    Date of Patent: July 26, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Donald Richard Randell, Malcolm John Smith
  • Patent number: 4036770
    Abstract: Hydrocracked oils are stabilized against deterioration due to exposure to light and/or air by adding to them a small amount of aromatic amine having a nitro group, the amino and nitro groups being ortho or para to each other.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: July 19, 1977
    Assignee: Mobil Oil Corporation
    Inventors: Wilton F. Espenscheid, Robert D. Offenhauer, Tsoung Y. Yan
  • Patent number: 4031018
    Abstract: N-acyl-0-carbamylhydroxylamines corresponding to the formula ##STR1## wherein R and R' are the same or different aliphatic or aromatic hydrocarbyl radicals, are highly effective in improving the oxidation resistance of synthetic ester-based lubricant formulations containing arylamine antioxidants.
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: June 21, 1977
    Assignee: Shell Oil Company
    Inventor: Zatis L. Murphy
  • Patent number: 4028331
    Abstract: A ultraviolet of absorber containing 2-(2',4'-dihydroxyphenyl)-5-chlorobenzotriazole is effectively used to stabilize polyurethane resins against ultraviolet rays.
    Type: Grant
    Filed: February 4, 1975
    Date of Patent: June 7, 1977
    Assignees: Sumitomo Chemical Company, Limited, Kyodo Chemical Company, Ltd.
    Inventors: Seiji Hotta, Koichi Koga, Tomoyuki Bando, Yutaka Kondo
  • Patent number: 4028416
    Abstract: A class of compounds are disclosed of the formula: ##STR1## wherein R represents an alkylene or alkylidene radical having from 2 to 10 carbon atoms, which compounds are effective inhibitors for oxidation prone hydrocarbon materials in general and represent singularly effective stabilizersfor rubber, both natural and synthetic, as well as certain plastic compositions containing a rubbery phase. An improved process for preparing the aforesaid compounds and certain homologs thereof likewise representing useful oxidation inhibitors is additionally disclosed.
    Type: Grant
    Filed: February 14, 1972
    Date of Patent: June 7, 1977
    Assignee: Ashland Oil, Inc.
    Inventors: Michael Robin, Sheldon R. Schulte
  • Patent number: 4026810
    Abstract: The color of a cured intumescent flame retardant is improved by incorporating a suitable alcohol, carboxylic acid or amine into the composition prior to curing the composition.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: May 31, 1977
    Assignee: Phillips Petroleum Company
    Inventor: Howard W. Bost
  • Patent number: 4025486
    Abstract: Polyolefin polymers subject to degradation on exposure to ultraviolet light are efficiently stabilized using a combination of a hydroxyphenylalkyleneyl isocyanurate compound and a pentaerythritol phosphite compound. The stabilized compositions exhibit exceptional stability to UV light, better than that achieved using known combinations of phenolic and phosphorous-containing stabilizer compounds.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: May 24, 1977
    Assignee: The B. F. Goodrich Company
    Inventor: Jack Conrad Gilles
  • Patent number: 4021474
    Abstract: Compounds of the formula ##STR1## wherein, X is from 1 to 12; Z is a member selected from the group consisting of --H, --NH.sub.4, alkali metal, lower alkyl and lower hydroxyalkyl; R is a member selected from the group consisting of ethylene, 1,2-propylene, 1,2-butylene, 2,3-butylene, styrlene and mixtures thereof; R' is selected from the group consisting of substituted or unsubstituted alkylene, alkenylene, cycloalkenylene and cycloalkylene moieties containing at least two nuclear carbon atoms and in which any substituent is selected from the group consisting of carboxy, halo and lower alkyl substituents; M is a member selected from the group consisting of hydrocarbon of 1-20 carbon atoms --RO--H, and ##STR2## wherein R, X, R' and Z are as above defined; and p is an integer from 0-1, providing when p is 0, ##STR3## IS HYDROGEN, ARE NON-STAINING OR SLIGHTLY STAINING ANTIOXIDANTS POSSESSING ANTIOZONANT PROPERTIES FOR USE AS ANTIDEGRADANTS IN COMBINATION WITH OXIDIZABLE ORGANIC SUBSTRATES.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: May 3, 1977
    Assignee: Hooker Chemicals & Plastics Corporation
    Inventors: Joseph A. Pawlak, Francis J. Bajer
  • Patent number: 4016216
    Abstract: Polymerization of 2,3-dichloro-1,3-butadiene is inhibited by adding an aniline compound having an N-nitroso group which can be easily removed with an alkaline aqueous solution to the 2,3-dichloro-1,3-butadiene.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: April 5, 1977
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Akihiko Shimizu, Takao Hayashi
  • Patent number: 4013580
    Abstract: The formation of popcorn chloroprene polymer is prevented by adding an N-nitroso aniline compound of the formula ##STR1## wherein Ar is a phenyl group; R represents a C.sub.1.sub.-8 alkyl or a carboxymethyl group and when R is a C.sub.1.sub.-8 alkyl group, X is a hydroxyl group and n is 1 or 2; and when R is a carboxymethyl group, X is a halogen or hydroxyl group and n is 0, 1 or 2.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: March 22, 1977
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Takao Hayashi, Akihiko Shimizu
  • Patent number: 4011057
    Abstract: An improved antioxidant composition comprising hindered phenol antioxidant wherein the improvement comprises, in combination with the hindered phenol, from about 1% to 10%, by total weight, of at least one amino compound having a pKb of from 0.3 to 8.0.
    Type: Grant
    Filed: April 16, 1974
    Date of Patent: March 8, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George Alvin Sayers
  • Patent number: 4009198
    Abstract: Compounds of the formula ##STR1## wherein, X is from 1 to 12; Z is a member selected from the group consisting of --H, --NH.sub.4, alkali metal, lower alkyl and lower hydroxyalkyl; R is a member selected from the group consisting of ethylene, 1,2-propylene, 1,2-butylene, 2,3-butylene, styrylene and mixtures thereof; R' is selected from the group consisting of substituted or unsubstituted alkylene, alkenylene, cycloalkenylene, arylene and cycloalkylene moieties containing at least two nuclear carbon atoms and in which any substituent is selected from the group consisting of carboxy, halo and lower alkyl substituents; M is a member selected from the group consisting of hydrocarbon of 1-20 carbon atoms, --RO).sub.x H, and ##STR2## wherein R, X, R' and Z are as above defined; and P is an integer from 0-1, providing when p is 0, ##STR3## is hydrogen, are non-staining or slightly staining antioxidants possessing antiozonant properties for use as antidegradants in combination with oxidizable organic substrates.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: February 22, 1977
    Assignee: Hooker Chemicals & Plastics Corporation
    Inventors: Joseph A. Pawlak, Francis J. Bajer
  • Patent number: 4007230
    Abstract: Synergistic antioxidant compositions consisting of certain hindered phenols such as 2,4-dimethyl-6-octyl phenol and 4,4'-bis (.alpha.,.alpha.-dimethylbenzyl) diphenyl amine are useful to stabilize polyether polyols against oxidative degradation and prevent scorch in polyurethane foams prepared from the polyether polyols.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: February 8, 1977
    Assignee: The Dow Chemical Company
    Inventor: Kenneth J. Hinze
  • Patent number: 4007252
    Abstract: Aqueous solutions of sodium aluminate (Na.sub.2 Al.sub.2 O.sub.4) are stabilized by the addition of triethanolamine.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: February 8, 1977
    Assignee: Borg-Warner Corporation
    Inventor: James E. Burroughs
  • Patent number: 3994828
    Abstract: Novel, nonabsorbable antioxidants of the general formula (An).sub.n R wherein An is a means for preventing oxidation of an oxidizable material, R is a means for essentially restricting the absorption of An in a biological environment, .about. is a means for covalently bonding An to R for a prolonged time, and n is at least one. The nonabsorbable antioxidants are useful as stabilizers in oxidizable materials without any substantial absorption of the antioxidant in the biological environment.
    Type: Grant
    Filed: June 7, 1973
    Date of Patent: November 30, 1976
    Assignee: Dynapol Corporation
    Inventor: Alejandro Zaffaroni
  • Patent number: 3992390
    Abstract: New alkyl substituted p-hydroxy aryl esters and alkyl substituted p-hydroxy aralkyl esters of 2,2,6,6-tetrasubstituted piperidin-4-ols are used as stabilizers for organic materials, especially for polymers.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: November 16, 1976
    Inventors: Brian Holt, Donald Richard Randell
  • Patent number: 3983041
    Abstract: An improved grease composition is disclosed and comprises a novel combination of a Mannich base, a poly- or monourea thickener and an alkaline earth metal carbonate or carboxylate within a lubricating oil. The Mannich base is prepared by reacting formaldehyde, alkylphenol and an amine selected from dialkanolamine, N,N-dialkanol-alkylenediamine and alkylamine.
    Type: Grant
    Filed: January 22, 1976
    Date of Patent: September 28, 1976
    Assignee: Chevron Research Company
    Inventor: Andrew D. Abbott
  • Patent number: 3981822
    Abstract: The invention relates to combinations of compounds which have been found to produce more effective ultraviolet stabilization. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of these ultraviolet stabilizer combinations to prevent such degradation. These stabilizer combinations are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizer combinations may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: September 21, 1976
    Assignee: Eastman Kodak Company
    Inventor: James C. Ownby
  • Patent number: 3962104
    Abstract: Lubricating oils containing as an ashless detergent a quaternary ammonium salt derived from an organic acid, (e.g. carboxylic acid, sulphonic acid, alkyl phenol or phosphosulphurised hydrocarbon) and a cation obtained by the reaction of a tertiary amine, olefin oxide and water.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: June 8, 1976
    Assignee: Exxon Research and Engineering Company
    Inventors: Swietlik Joseph Marian, Michael David Sexton
  • Patent number: 3962123
    Abstract: A stable phenolic antioxidant dispersion is prepared by adding, with high speed stirring, a melt of a phenolic antioxidant, which is an alkyl ester of a carboxylic acid containing an alkylhydroxyphenyl group, and a fatty acid to an aqueous solution of a base capable of forming a soap with said fatty acid.The dispersion may also be prepared by adding, with high speed stirring, a melt of the phenolic antioxidant to water, where either or both of the antioxidant and water contain an anionic or nonionic surfactant.These aqueous dispersions are useful in the stabilization of substrates which are better stabilized with water dispersible antioxidants against oxidative degradation induced by heat and/or light.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: June 8, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Anthony DiBattista, Ambelal Patel
  • Patent number: 3959397
    Abstract: A stabilized 1,1,1-trichloroethane composition containing, as stabilizer therefor, a mixture consisting of a nitrile, 1,4-dioxane, and nitromethane.
    Type: Grant
    Filed: October 23, 1973
    Date of Patent: May 25, 1976
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hermann Richtzenhain, Rudolf Stephan
  • Patent number: 3956148
    Abstract: A lubricating oil composition comprising a lubricating oil and the product derived from the reaction of (1) hexamethylene tetramine with (2) a phenol, a methylene bis-phenol or a sulphurised phenol provided that in said phenol, methylene bis-phenol or sulphurised phenol at least one of the 2,4 and 6 positions of the phenol aromatic ring is unsubstituted. In such lubricating oils the reaction product acts as an ashless detergent.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: May 11, 1976
    Assignee: Exxon Research and Engineering Company
    Inventors: Joseph Marian Swietlik, Michael David Sexton
  • Patent number: 3953346
    Abstract: Disclosed are novel synthetic lubricants containing major amounts of tertiary diamides having the following structural formula: ##EQU1## wherein N = 4-12 ##EQU2## wherein R = H, alkyl radical having C.sub.1 -C.sub.5m = 2-8x = 1-5These lubricants have low pour points and excellent thermal stabilities.
    Type: Grant
    Filed: October 17, 1974
    Date of Patent: April 27, 1976
    Assignee: Sun Ventures, Inc.
    Inventor: Robert M. Thompson
  • Patent number: 3951833
    Abstract: A method for preserving certain organic fluids is provided wherein an inhibitory amount of a selected 1,10-phenanthroline is incorporated in such fluids as a biocide.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: April 20, 1976
    Assignee: Olin Corporation
    Inventors: Robert H. Juda, Gene A. Hyde, Alan E. Ardis
  • Patent number: 3941708
    Abstract: A hydraulic fluid comprising (1) a base stock material, and (2) a cycloalkyl epoxide and a phenyl naphthylamine in a ratio of from about 1:10 to about 10:1 by weight. By incorporating about 0.1 to about 10 percent by weight of the hydraulic fluid of said epoxide and amine in said hydraulic fluid, acid buildup therein is controlled.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: March 2, 1976
    Assignee: Stauffer Chemical Company
    Inventors: William F. Gentit, Theodore A. Marolewski
  • Patent number: 3936456
    Abstract: Substituted piperazine dione oxyls and hydroxides are stabilizers for synthetic polymeric materials normally subject to deterioration caused by ultraviolet light. The compounds may be prepared by first preparing a substituted piperazine dione with subsequent oxidation of the piperazine dione to yield the oxyl and reduction of the oxyl to yield the hydroxide derivative. Polymeric compositions containing these stabilizers may also contain a hindered phenolic compound. A typical embodiment is 15-n-octadecyl-7-oxyl-7,15-diazadispiro[5,1,5,3]hexadecane-14,16-dione.
    Type: Grant
    Filed: July 16, 1973
    Date of Patent: February 3, 1976
    Assignee: Ciby-Geigy Corporation
    Inventors: Chester E. Ramey, John J. Luzzi
  • Patent number: 3932654
    Abstract: The present invention relates to processes and compositions for inhibiting or preventing the growth of microorganisms in aqueous systems and formulations, by the addition thereto of dialkyl bromonitromalonates.
    Type: Grant
    Filed: May 22, 1974
    Date of Patent: January 13, 1976
    Assignee: Givaudan Corporation
    Inventors: Harold A. Brandman, Milton Manowitz, William E. Newman
  • Patent number: RE28805
    Abstract: Lubricants containing a mixture of p,p'-dioctyldiphenylamine and substituted naphthylamines have improved antioxidant properties.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: May 11, 1976
    Assignee: Mobil Oil Corporation
    Inventor: Milton Braid