Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 4820344 | Aqueous compositions for visual inspection and cleaning of metallic surfaces The invention relates to aqueous compositions containing one or more components selected from each of the groups comprising corrosion inhibitors, carboxylic acids, glycerol and derivatives, alcohols and polyethylene glycols, respectively, and tensides, wh... | 04/11/1989 |
| 4814101 | Zwitterionic polymers and their use in hair treatment preparations New zwitterionic polymers are obtained as the copolymerization product of: from about 30 to about 70 mole % of monomers containing quaternary ammonium groups and corresponding to the following formula: about 10 to about 30 mole % of monomeric carboxylic acids corre... | 03/21/1989 |
| 4812175 | Passivation process and copmposition for zinc-aluminum alloys An aqueous acidic treating solution and process for forming a chromium-containing passivate coating on the surface of zinc or zinc-aluminum alloys to enhance bare corrosion resistance and inhibit discoloration thereof upon exposure to ambient environments... | 03/14/1989 |
| 4799932 | Oiling agents based on sulfosuccinic acid monoamides A method for imparting hydrophobicity and softness to leather and skins comprising treatment thereof with at least one sulfosuccinic acid monoamide of the formula ##STR1## wherein R and R' are, independently, H or a C12-24 alkyl, and one o... | 01/24/1989 |
| 4798682 | Oil-in-water emulsions with increased viscosity under shear stress Oil-in-water emulsions show improved viscosity behavior, more especially an increased viscosity under shear stress, when the continuous aqueous phase contains a combinations of hydrocolloids comprising: (a) at least one water-soluble nonionic cellulose et... | 01/17/1989 |
| 4792582 | Polyethylene glycol ether foam inhibitors, emulsifiers, and stabilizers for polymers A method for emulsifying, emulsion-stabilizing, and/or foam-inhibiting an aqueous polymer dispersion or latex by incorporating therein a polyglycol ether; and a polymer dispersion or latex composition containing such polyglycol ether.... | 12/20/1988 |
| 4786439 | Textile treatment composition A textile treatment composition comprising a mixture of (A) a dispersion accelerator selected from aldoses and ketoses; polyhydroxyl compounds obtained therefrom by hydrogenation; natural and synthetic hydrophilic polymers; and mixtures thereof; and (B) a... | 11/22/1988 |
| 4777038 | Free-flowing pearlescent concentrate A free-flowing aqueous concentrate for imparting a pearlescent appearance to cosmetics and surfactants and which is compatible with preparations of differing ionicity, containing: a compound of the formula R1 -(OCn H2n) | 10/11/1988 |
| 4774138 | Aqueous release agents for hot-melt adhesives An aqueous release agents for the temporary antiadhesive surface-finishing of tacky pellets, granulates, cubes, flakes and the like, which is a 0.5 to 25% by weight and, more particularly, a 5 to 20% by weight solution of one or more at least dihydric ali... | 09/27/1988 |
| 4774014 | Detergent supply pack and process for production A detergent supply pack for supplying a shaped detergent solid to a dishwashing apparatus comprising a container for the detergent solid and a shaped detergent solid cast-molded therein, said container simultaneously functioning as a mold for the cast-mol... | 09/27/1988 |
| 4770916 | Electrically conductive flooring An electrically conductive flooring and method for constructing same upon an existing flooring, which comprises sequential layers of: a nonwoven base layer; an electrically conductive coating layer; an electrically conductive adhesive layer; and an antist... | 09/13/1988 |
| 4770866 | Hydrothermal production of clear sodium silicate solutions A process for the hydrothermal production of clear sodium silicate solutions by reacting sand and aqueous NaOH solution wherein an excess of 5 to 10% by weight of sand is used and the reaction is conducted in a rotating pressure vessel until 90 to 95% com... | 09/13/1988 |
| 4767575 | Melt-phase synthesis of dibasic organo-lead compounds Dibasic lead-fatty acid salts are synthesized in a melt reaction between plumbous oxide and fatty acids in the presence of magnesium, calcium, and/or aluminum compounds. The salts are useful as stabilizers for halogen-containing polymers.... | 08/30/1988 |
| 4767559 | Process for producing contact lens cleaning tablets with a disinfecting action for one-step cleaning Methods for producing a contact lens one-step cleaning and disinfecting tablet designed to be dissolved in water comprising: (A) preparing a tablettable neutralizing core mixture consisting essentially of at least one biocompatible reducing agent, at least one... | 08/30/1988 |
| 4762572 | Process for phosphating electrolytically zinc-coated metals A method for phosphate coating zinc or nickel-zinc alloy electrolytically coated metal surfaces, in which they are exposed to a phosphating solution containing zinc, manganese, and phosphate ions, and optionally cobalt and/or nitrate ions. The method is c... | 08/09/1988 |
| 4762946 | Esters of unsaturated carboxylic acids Polymeric pour point depressants are described which are prepared from new esters of ,ଲ-olefinically unsaturated carboxylic acids of the formula wherein R1 --CO-- is an ,ଲ-olefinically unsaturated carboxylic acid resid... | 08/09/1988 |
| 4761189 | Process and aqueous compositions for treating metal surfaces The invention relates to a process for treating metal surfaces, preferably of aluminum, aluminum alloys and steel, for the subsequent application of organic coating compositions. The metal surfaces are wetted with an aqueous bath solution containing chrom... | 08/02/1988 |
| 4759962 | Elastomeric sealing gasket assembly and its method of manufacture An elastomeric sealing gasket assembly comprising a sealing compound layer between a removable carrier paper and a flexible cover film can be kept permanently elastic and, at the same time, withstand condiderable surface pressure by embedding substantiall... | 07/26/1988 |
| 4756716 | Preparations containing substantive nitrodiphenylamine derivative hair dyes Novel substituted nitrodiphenylamines and substantive hair dye preparations containing them or containing nitrodiphenylamines with different substituents. The dyes result in yellow to orange-red colored shades of high intensity and fastness and are more s... | 07/12/1988 |
| 4756715 | Hair-dyeing preparations containing substantive nitrodiphenylamine derivatives Novel substituted nitrodiphenylamines and substantive hair dye preparations containing them or containing nitrodiphenylamines with different substituents. The dyes result in yellow to copper-colored shades of high intensity and fastness and are more solub... | 07/12/1988 |
| 4756771 | Colorless sealing layers for anodized aluminum surfaces A process and composition for producing colorless, cold-sealed, anodized aluminum or aluminum alloy surfaces. The composition comprises an aqueous solution containing nickel ions and a solution of at least one azo or azo metal dye, the colors imparted by ... | 07/12/1988 |
| 4755187 | Method for producing waterproof leather A process for leather tanning having the improvement of imparting waterproof properties to the leather by incorporating a sulfosuccinic monoester in the fatliquor.... | 07/05/1988 |
| 4752406 | 4-alkylbenzoyl acrylic acids as corrosion inhibitors in oil-based lubricant systems 3-(4-alkylbenzoyl)-acrylic acids corresponding to formula (1) ##STR1## in which R is straight-chain or branched-chain C8 -C18 alkyl, or mixtures thereof, are useful as corrosion inhibitors in lubricating oils and lubricating gre... | 06/21/1988 |
| 4751003 | Crossflow microfiltration process for the separation of biotechnologically produced materials The invention relates to a process for the separation of biotechnologically produced valuable materials form a cell suspension by crossflow microfiltration to obtain an high specific permeate flux while retention stays near 0% for long periods. To enable ... | 06/14/1988 |
| 4749750 | Method for lubricating PVC plastics A method for lubricating/releasing polyvinyl chloride, its copolymers, or polymer mixtures thereof, in which there is added a polyester comrising the polycondensation product of a C12-24 hydroxy carboxylic acid containing a secondary hydroxyl m... | 06/07/1988 |
| 4746451 | Self-decontaminating cleansing preparations A microbially self-decontaminating dermatological cleansing concentrate containing at least one washing-active surfactant and at least one standard cleansing concentrate additive, and having a viscosity of about 500 to 5,000 mPas, improved by incorporatin... | 05/24/1988 |
| 4744977 | Quaternary ammonium compound hair conditioners A hair care preparation containing a hair conditioning effective amount of a compound of the formula: ##STR1## wherein: R1 is a C12-16 -n-alkyl; R2 is a C1-4 -n-alkyl; is a C1-4 -hydroxyalkyl; R4... | 05/17/1988 |
| 4744794 | Leather fatliquoring agents combinable with tanning and retanning compositions A leather fatliquoring agent and a process for its use in which the agent is a sulfosuccinic (C12-24 fatty residue) ester and an anionic or nonionic emulsifier. The agent is stable in the presence of tanning liquor electrolytes.... | 05/17/1988 |
| 4744927 | Synthesis of dibasic organo-lead compounds in melt phase Dibasic lead-fatty acid salts and mixtures thereof with neutral lead-fatty acid salts are synthesized in a melt reaction using a free-hydroxyl organic compound as a catalyst/initiator. The resulting products are useful as stabilizers for halogen-containin... | 05/17/1988 |
| 4741803 | Spray dryer and operating method therefor A spray dryer consisting of a tower-like drying container with spraying elements for introducing therein the material to be dried, pipelines and heater for injecting a heated drying gas, and a separator for separating dry fine material and gas. The dry fi... | 05/03/1988 |
| 4741738 | Sulfonation of fats and oils A process for the sulfonation of certain fat and oil mixtures, the product of such process, and a method for using such product as a leather tanning stuffing agent, the certain fat and oil mixtures comprising (A) 20-80% by weight of at least one C8-2... | 05/03/1988 |
| 4735742 | Palmitate-stearate o/w emulsions and their preparation An oil-in-water emulsion and method for forming same, containing as the primary emulsifier, a palmitic acid soap and a stearic acid soap, in a palmitic:stearic weight ratio of 1:025-0.67.... | 04/05/1988 |
| 4735228 | Device for dispersing solid detergents as aqueous suspensions or solutions A device for the preparation of a suspension from a supply of powdered, granular or block-form detergent by spraying water through nozzles into a water-permeable container accommodating the detergent material, provided with a hinged cover, at least one bi... | 04/05/1988 |
| 4735735 | Salts of esters of long-chain fatty alcohols with alpha-sulfofatty acids as corrosion inhibitors in oils or oil emulsions A method for corrosion inhibition in oil or oil emulsions comprising adding thereto a corrosion-inhibition-effective amount of at least one salt corresponding to the general formula ##STR1## in which R1 is a linear or branched C8-36 | 04/05/1988 |
| 4734257 | Method of inhibiting corrosion of nonferrous metals in aqueous systems using 3-amino-5-(ω-hydroxyalkyl)-1,2,4-triazoles The present invention provides a method of inhibiting the corrosion of nonferrous metals using an anticorrosive agent selected from 3-amino-5-(ω-hydroxy-n-alkyl)-1,2,4-triazoles having the general formula: ##STR1## wherein x is an integer in th... | 03/29/1988 |
| 4731460 | Acylcyanamide compounds and their production Acylcyanamides are disclosed having the formula ##STR1## in which the symbol R represents a straight-chain or branched chain alkyl or alkenyl group having from about 5 to about 21 carbon atoms, which group may be substituted by OH--, O--CH2 | 03/15/1988 |
| 4731100 | Method and apparatus for washing a plurality of filter elements A method and apparatus for simultaneously washing a plurality of generally tubular or sock-like filtering elements of a gas filtering apparatus without removing the elements from the apparatus, the filter elements being disposed in a regular array of rows... | 03/15/1988 |
| 4729767 | Amphoteric fatliquoring composition A method and composition for fatliquoring during the leather and skin tanning process, in which an amphoteric surfactant is employed which is the condensation product of at least one C6-22 -fatty acid or corresponding ester with at least an ami... | 03/08/1988 |
| 4728731 | Reactor and its use in polysaccharide ether production An improved reactor (and process using the same) comprising multistage stirrer elements and baffles, which has particular dimensional ratios between the reactor diameter, the width and spacing of the stirrer elements, and the baffles. The reactor is parti... | 03/01/1988 |
| 4726943 | Anti-caries composition Oral and dental preparations containing as an active ingredient an anti-caries effective amount of a C2-4 alkoxylated trihydric to hexahydric C3-12 aliphatic polyol wherein at least one hydroxyl moiety is esterified with phosphoric a... | 02/23/1988 |
