Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5593931 | Cyclopentadienyl group 6b metal alpha-olefin polymerization catalysts and process for polymerizing alpha-olefins Disclosed is a catalyst system for the homopolymerization of alpha-olefins having 2-8 carbon atoms, said catalyst system comprising a mixed-valent dimeric Group 6b metal compound catalyst precursor wherein one atom of said Group 6b metal is a cyclopentadi... | 01/14/1997 |
| 4975211 | Diethylamine complexes of borated alkyl catechols and lubricating oil compositions containing the same Borated alkyl catechols can be stabilized by the addition of diethylamine. Lubricating oils containing a borated alkyl catecholdiethylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine.... | 12/04/1990 |
| 4870041 | Process for the oligomerization of alpha olefins and catalyst therefor A process for the preparation of alpha olefin oligomers having predominantly terminal unsaturation using a catalyst system comprising an alkyl aluminum halide component and a second component comprising at least one zirconium compound, preferably in combi... | 09/26/1989 |
| 4857612 | Process for the polymerization of alpha olefins A process for the stereoregular polymerization of alpha olefins which comprises polymerizing an alpha olefin having from 2 to 8 carbon atoms in the presence of a catalyst comprising: (a) a solid supported titanium tetrahalide complex, wherein said complex... | 08/15/1989 |
| 4855071 | Deicing compositions comprising alkaline earth or alkali metal carboxylates and processes for their production Deicing compositions comprising an alkaline earth or alkali metal carboxylate having from 1 to 4 carbon atoms or mixtures thereof are provided which exhibit excellent handling characteristics. Also provided are processes for the preparation of such deicin... | 08/08/1989 |
| 4849131 | Nonionic emulsifier and substituted succinic anhydride compositions therewith A nonionic emulsifier derived from mono-ester reaction products of substituted succinic anhydride. There is also disclosed a stable substituted succinic anhydride/nonionic emulsifier composition, a method for imparting water repellency to surfaces contain... | 07/18/1989 |
| 4846873 | 1-carboalkoxyalkyl-3-alkoxy-4-(2'-carboxyphenyl)-azet-2-ones as plant growth regulators and selective herbicides Compounds of the formula: ##STR1## wherein R1 is lower alkyl of 1 to 6 carbon atoms lower alkenyl of 2 to 6 carbon atoms or benzyl; R2 is lower alkoxy of 1 to 6 carbon atoms, benzyloxy or the group ##STR2## where R | 07/11/1989 |
| 4843175 | Process for the preparation of alkylaniline using a Friedel-Crafts catalyst A process for the preparation of alkylaniline having from about 10 to 30 carbon atoms in the alkyl substituent which comprises reacting aniline with an olefin having from about 10 to 30 carbon atoms in the presence of a Friedel-Crafts catalyst.... | 06/27/1989 |
| 4840744 | Modified succinimides and lubricating oil compositions containing the same Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides which contain carbamate functionalities.... | 06/20/1989 |
| 4831179 | Arylmethylenesulfonamidoacetonitrile derivatives Arylmethylenesulfonamidoacetonitrile derivatives. The compounds are useful as selective hericides especially with respect to the prevention and elimination of barnyardgrass in grass crops, especially rice.... | 05/16/1989 |
| 4828601 | Chemical tobacco sucker control Methods and compositions for controlling tobacco suckers, which comprise administering an effective amount of certain 2-[1-[(5-chlorothien-2-yl)methoxyimino]ethyl]-3-hydroxy or alkanoyloxy-5-(tetrahydro-2H-thiopyran-3-yl)cyclohex-2-en-1-one derivativ... | 05/09/1989 |
| 4824470 | 2-(1-(5-Halothienylmethoxyimino) ethyl-3-hydroxy-5-(tetrahydro-2H-thiopyranyl)-cyclohex-2-en-1-one herbicides 2-[1-[(5-chlorothien-2-yl)methoxyimino]ethyl]-3-hydroxy-5- (tetrahydro-2H-thiopyran-3-yl)-cyclohex-2-en-1-one and 3-alkanoyloxy thereof derivatives are disclosed. The compounds exhibit pre- and post-emergent phytotoxicity and are useful as selective post-... | 04/25/1989 |
| 4822427 | Open-grade asphalt emulsion mixes Disclosed is a cationic bituminous emulsion comprising relative to the emulsion about 40 to 70% by weight asphalt, 0.25 to 5% by weight of a cationic emulsifier, 0.1-0.5% by weight of a water-soluble thickening agent, 0-8% of a low-boiling hydrocarbon, an... | 04/18/1989 |
| 4820786 | Process for the preparation of linear low density polyethylene A process for the preparation of linear low density polyethylene by the copolymerization of ethylene and 1-butene which comprises contacting ethylene with a feedstock comprising 1-butene in the presence of a catalyst comprising: (a) a solid supported tita... | 04/11/1989 |
| 4816185 | Styrene alkylbenzene copolymers and sulfonates thereof and method of making Reaction products of C9 -C30 alkylbenzenes with styrene and sulfonated derivatives thereof and processes for preparing such products and derivatives. The sulfonate salts of reaction products are especially useful as detergents.... | 03/28/1989 |
| 4814534 | Addition of hydrogen and C2 to C4 hydrocarbons to the feed gas in the catalytic conversion of methane to higher molecular weight hydrocarbons Disclosed is a continuous catalytic process for the production of higher molecular weight hydrocarbons from methane in which a methane-containing gas is contacted in a reaction zone with a higher molecular weight hydrocarbon synthesis catalyst under C | 03/21/1989 |
| 4814538 | Enhancing the reaction rate in high temperature, high space velocity catalytic conversion of methane to higher molecular weight hydrocarbons In a continuous catalytic process for the production of higher molecular weight hydrocarbons from methane in which a reaction gas containing methane is contacted in a reaction zone with a higher molecular weight hydrocarbon synthesis catalyst under C... | 03/21/1989 |
| 4814533 | Enhancing the production of aromatics in high temperature, high space velocity catalytic conversion of lower molecular weight hydrocarbons to higher molecular weight hydrocarbons In a continuous catalytic process for the production of higher molecular weight hydrocarbons from lower molecular weight hydrocarbons in which a lower molecular weight hydrocarbon containing gas is contacted in a reaction zone with a higher molecular weig... | 03/21/1989 |
| 4803002 | Carbonate treated dispersants Disclosed are additives which are useful as dispersants in marine crankcase oils and hydraulic oils, lubricating oils. In particular, disclosed are nitrogen-containing lubricating oil dispersants having at least one primary or secondary amino group which ... | 02/07/1989 |
| 4802893 | Modified Succinimides Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are multiply adducted alkenyl or alkyl succinimides which contain carbamate functionalities.... | 02/07/1989 |
| 4798612 | Modified succinimides (x) Disclosed are additives which are useful as dispersants in marine crankcase oils, hydraulic oils, and lubricating oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides wherein one or more of the nitrogen of the polyamino moiety is sub... | 01/17/1989 |
| 4785019 | N-cyanoalkyl-N-haloalkylthio carboxamides as fungicides N-cyanoalkyl-N-haloalkylthio alkyl-, aryl- and aralkyl-carboxamides of the general formula: ##STR1## wherein R is alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, lower alkenyl of 2 to 6 carbon atoms or lower alkynyl of 2 to 6 ... | 11/15/1988 |
| 4782074 | Fungicidal N,N-disubstituted-heterocyclic carboxamides The substituted heteroaryl compounds of this invention are good fungicides. In particular, they possess especially good activity against Bean Powdery Mildew.... | 11/01/1988 |
| 4780278 | Alkylaniline/formaldehyde oligomers as corrosion inhibitors A hydrocarbon-soluble corrosion inhibitor composition comprising the reaction product obtained by the acid-catalyzed oligomerization of an alkylaniline and formaldehyde, wherein the alkylaniline has from 4 to 30 carbon atoms in the alkyl substituent. Also... | 10/25/1988 |
| 4780517 | Surfactant-containing water thickening polymer A water thickening terpolymer of polymerized units of (A) about 50 to 98 mole percent of acrylamide, (B) about 1.9 to 49.9 mole percent of an alkali metal salt or ammonium salt of acrylic acid, and (C) about 0.1 to 5 mole percent of a copolymerizable ioni... | 10/25/1988 |
| 4778654 | Alkylaniline/formaldehyde co-oligomers as corrosion inhibitors A hydrocarbon-soluble corrosion inhibitor composition comprising the reaction product obtained by the acid-catalyzed oligomerization of alkylaniline, formaldehyde, and an aromatic compound selected from aniline, phenol, alkylphenol and an ethoxylated alky... | 10/18/1988 |
| 4778481 | Diesel fuel and method for deposit control in compression ignition engines A diesel fuel composition and method for improving the operation and efficiency of a compression ignition or diesel engine is disclosed comprising operating the engine using a fuel comprising a major amount of hydrocarbon fuel boiling in the diesel range ... | 10/18/1988 |
| 4762565 | Open-graded asphalt A paving composition comprising about 80 to 97% by weight of an open-graded aggregate and about 3 to 20% asphalt, said composition being formed by successively mixing two asphalt-containing emulsions A and B with said aggregate wherein: emulsion A compri... | 08/09/1988 |
| 4757042 | Olefin oligomerization catalyst A polymerization catalyst comprising a complex of nickel or palladium and certain fluoro-organo sulfur ligands and an organometal reducing agent. The catalyst is especially useful for the oligomerization of olefins to higher molecular weight olefins havin... | 07/12/1988 |
| 4755312 | Carbonate treated dispersants Disclosed are additives which are useful as dispersants in marine crankcase oils and hydraulic oils, lubricating oils. In particular, disclosed are nitrogen-containing lubricating oil dispersants having at least one primary or secondary amino group which ... | 07/05/1988 |
| 4753943 | Algicidal and fungicidal 2-haloalkyl-3-oxo-4-substituted quinazoline 2-Haloalkyl-3-oxo-4-substituted quinazolines represented by the formula ##STR1## wherein R is hydrogen, lower alkyl, lower alkyl substituted with one to three of the same or different halogens, phenyl or phenyl substituted with 1 to 3 of the same or ... | 06/28/1988 |
| 4747971 | Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts Amine-containing dispersants, such as succinimides, Mannich Bases and Viscosity-index improvers are reacted with fluorophosphoric acid. The reaction of the dispersant with the fluorophosphoric acid passivates the dispersant to fluorocarbon compositions us... | 05/31/1988 |
| 4747963 | Lubricating oil compositions containing modified succinimides (VII) Disclosed are polyaminoalkenyl or alkyl succinimides which have been modified by treatment with a compound of the formula: ##STR1## wherein W is oxygen or sulfur; X is oxygen or sulfur; R4 is an alkylene group of from 2 to 3 carbon atoms o... | 05/31/1988 |
| 4747850 | Modified succinimides in fuel composition Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are multiply adducted alkenyl or alkyl succinimides which contain carbamate functionalities.... | 05/31/1988 |
| 4747965 | Modified succinimides Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are multiply adducted alkenyl or alkyl succinimides which contain carbamate functionalities.... | 05/31/1988 |
| 4746446 | Modified succinimides Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides which contain carbamate functionalities.... | 05/24/1988 |
| 4746447 | Carbonate treated hydrocarbyl-substituted polyamines Disclosed are additives which are useful as dispersants in marine crankcase oils and hydraulic oils, lubricating oils. In particular, disclosed are hydrocarbyl-substituted polyamines having at least one primary or secondary amino group which have been mod... | 05/24/1988 |
| 4734537 | Conversions of low molecular weight hydrocarbons to higher molecular weight hydrocarbons using a metal compound-containing catalyst Disclosed is a catalytic process for the production of higher molecular weight hydrocarbons from lower molecular weight hydrocarbons. More particularly, disclosed is a catalytic process for the conversion of methane to C2 + hydrocarbons, partic... | 03/29/1988 |
| 4734212 | Lubricating oil compositions containing bis-mannich base deposit inhibitors and a process for their preparation Disclosed are Bis-Mannich base deposit inhibitors; lubricating oil compositions containing these inhibitors and a process for preparing these inhibitors.... | 03/29/1988 |
| 4732894 | Fungicidal insecticidal and acaricidal tin salts of heterocyclic hydroxamic acids Compounds of the formula ##STR1## wherein Het is a 5- or 6-membered aromatic heterocyclic ring containing 1 to 2 ring nitrogen atoms and the remaining ring atoms carbon atoms optionally substituted with 1 to 2 substituents independently selected ... | 03/22/1988 |
