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 |
| 7723540 | Method and apparatus for producing polyhydroxy carboxylic acid The object is to provide a method and apparatus for producing a polyhydroxy carboxylic acid according to which an annular dimer can be efficiently obtained in the production of polyhydroxy carboxylic acid which is small in distribution breadth of molecular weight in... | 05/25/2010 |
| 7705180 | Process for the preparation of lactic acid or lactate from a magnesium lactate comprising medium The present invention relates to an improved process for the preparation of lactic acid and or lactate from a magnesium lactate comprising medium. In said process, magnesium lactate is reacted with a hydroxide of sodium, calcium, and/or ammonium at a pH range betwee... | 04/27/2010 |
| 7332085 | Method for the purification of an α-hydroxy acid on an industrial scale The present invention relates to a method for the purification of an α-hydroxy acid on an industrial scale, in which the method involves: (a) subjecting an aqueous stream containing mainly α-hydroxy (1) to an extraction step, with the formation of an aqueous place... | 02/19/2008 |
| 7326550 | Yeast strains for the production of lactic acid Yeast strains transformed with at least one copy of a gene coding for lactic dehydrogenase (LDH) and further modified for the production of lactic acid with high yield and productivities, are described. ... | 02/05/2008 |
| 7244596 | Separation of biomass from lactic-acid containing fermentation products by means of flocculation The present invention is in the field of the preparation of lactic acid by means of fermentation, more particularly it is directed to processes to separate the biomass from the lactic acid-containing fermentation product by means of flocculation. We have foun... | 07/17/2007 |
| 7238837 | Process for the recovery of lactic acid from aqueous lactate salt solutions, involving the use of ion exchangers The invention provides a process for the recovery of lactic acid from aqueous solutions containing at least one water-soluble lactate salt and having a pH of about between 4 and 14, comprising the steps of: contacting said aqueous solution with a cation exchanger wh... | 07/03/2007 |
| 7223885 | Method for the purification of a-hydroxy acids on an industrial scale The present invention relates to a method for the purification of an α-hydroxy acid on an industrial scale, in which an α-hydroxy acid with a color (fresh) of not more than 10,000 APHA units is subjected to (a) a crystallization step followed by (b) a distillation... | 05/29/2007 |
| 7211693 | Preparation of lactic acid derivatives and their use The present invention relates to preparing lactic acid derivatives that are useful as odorants and monomers for polymer synthesis. ... | 05/01/2007 |
| 7186856 | Process for preparing carboxylic acids and derivatives thereof Processes for preparing carboxylic acids and derivatives thereof in which an ammonium salt of the carboxylic acid is heated in the presence of an organic reagent to split the salt and form the acid or, where the organic reagent is an esterifying agent, the correspon... | 03/06/2007 |
| 7182921 | Cylindrical steam reforming unit A cylindrical steam reforming unit contains a plurality of cylindrical bodies consisting of a first cylindrical body, a second cylindrical body and a third cylindrical body of successively increasing diameters disposed in concentric spaced relationship, a radiation ... | 02/27/2007 |
| 7154000 | Methods of using polylactate release compounds The preferred embodiments provide for a family of novel compositions to serve as substrates that release hydroxy acid slowly over time. Preferably the hydroxy acid is an α-hydroxy acid, more preferably it is lactic acid. The compositions are preferably made by reac... | 12/26/2006 |
| 7144977 | Lactic acid processing; methods; arrangements; and, products The techniques for processing lactic acid/lactate salt mixtures are provided. Preferred mixtures for processing are obtained from fermentation broths, preferably from fermentation processes conducted at a pH of 4.8 or lower. The techniques generally concern the prov... | 12/05/2006 |
| 7108820 | Resin molded article and production method thereof A resin molded article and a production method thereof, including the processes of heat-molding a molding material containing a biodegradable resin and a reinforcing fiber or a biodegradable resin, a reinforcing fiber after controlling a water content thereof, or no... | 09/19/2006 |
| 7049108 | Processes for producing lactic acid using yeast transformed with a gene encoding lactate dehydrogenase Yeast strains transformed with at least one copy of a gene coding for lactic dehydrogenase (LDH) and further modified for the production of lactic acid with high yield and productivities, are described. ... | 05/23/2006 |
| 7026145 | Process for producing a purified lactic acid solution The present disclosure provides a process for preparing a purified lactic acid solution suitable for use in connection with a source of lactate material a pH within the range of 0.8 to 9.0. The process includes the steps of providing a source of lactate material whi... | 04/11/2006 |
| 7019170 | Process for the recovery of lactic acid by contacting aqueous solutions containing the same with a basic organic extractant The invention provides a process for the recovery of lactic acid and products thereof from an aqueous solution containing free lactic acid and at least one lactate salt at a total concentration of at least 5%, the process comprising the steps of: extracting at least... | 03/28/2006 |
| 7001625 | Solid phase synthesis of salts of organic acids including butyric acid A process for the solid-phase synthesis of salts of organic acids in a granular, free-flowing, and dust-free form particularly suited for use as animal feed additives. A mixture of liquid organic acids, including butyric acid, is applied to an inert, absorbent carri... | 02/21/2006 |
| 6991812 | Agent for preventing, improving or treating hypertension The invention relates to an agent for preventing, improving or treating hypertension, which exhibits a hypotensive effect, inhibits the rise of blood pressure and improves hypertension, and food for preventing or improving hypertension, which does not become a burde... | 01/31/2006 |
| 6986909 | Solid phase synthesis of salts of organic acid A process for the solid-phase synthesis of salts of organic acids in a granular, free-flowing, and dust-free form particularly suited for use as animal feed additives. A liquid organic acid is applied to an inert, absorbent carrier. A solid base is then added during... | 01/17/2006 |
| 6984293 | Azeotropic distillation of cyclic esters of hydroxy organic acids Cyclic esters of hydroxy organic acids can be produced and recovered via azeotropic distillation. In certain embodiments cyclic esters, such as glycolide and lactide, can be produced from a fermentation broth or other feed stream that contains a hydroxy organic acid... | 01/10/2006 |
| 6982026 | Azeotropic distillation process for producing organic acids or organic acid amides Disclosed herein are methods for the recovery of at least one of an organic acid or an organic acid amide, such as a heat stable lactic acid or lactamide, from a feed stream which contains the organic acid and/or organic acid amide. The feed stream is mixed with at ... | 01/03/2006 |
| 6962968 | Purification of macrocyclic oligoesters Acid impurities, such as carboxylic acid-terminated polymers, are removed from macrocyclic oligoesters with ion exchange resins, resulting in macrocyclic oligoesters that are substantially free of acid impurities. The ion exchange resins can be regenerated anew and ... | 11/08/2005 |
| 6956139 | (1R, 2S, 5R)-3-1-menthoxyalkan-1-OL cooling sensate A cooling sensate compound having the general formula (I): where n is an integer from 2 to 6. The compound is effective in imparting a refreshing and cooling sensation of long duration. A cooling sensate composition ha... | 10/18/2005 |
| 6942803 | Process for purifying an organic acid A process is disclosed for purifying an aqueous feed stream comprising a product organic acid, such as lactic acid, and a strong contaminant, such as pyruvic acid or oxalic acid. The molar concentration of the product organic acid in the feed stream typically is at ... | 09/13/2005 |
| 6926810 | Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex Disclosed herein are methods for the recovery of an organic acid, such as a heat stable lactic acid, from a feed stream which contains at least one of an organic acid amide, an organic acid ammonium salt, or an alkylamine-organic acid complex. The feed stream is mix... | 08/09/2005 |
| 6777213 | Isolation of carboxylic acids from fermentation broth A process for recovering carboxylic acids from an aqueous mixture such as a fermentation broth using a solvent containing at least one olefin without the need for first removing the spent microorganism cells is provided. A co-solvent which increases the partition co... | 08/17/2004 |
| 6747173 | Method for the preparation of lactic acid and calcium sulphate dihydrate The invention relates to a method for the preparation of lactic acid and calcium sulphate, in which (a) an aqueous solution that contains lactate is reacted with sulphuric acid at a temperature that is essentially higher than the transition temperature of calcium su... | 06/08/2004 |
| 6670505 | Process for the recovery of organic acids from aqueous solutions A process for recovering a desired organic acid from a solution includes the steps of: providing an aqueous solution including at least one desired organic acid or its acid anion; adjusting the proton concentration in the aqueous solution to a desired lev... | 12/30/2003 |
| 6667417 | Process for the recovery of lactic acid The invention provides a process for producing lactic acid from a medium containing an alkaline earth-metal salt of lactic acid, comprising (a) reacting a conjugated base of an alkali metal from a subsequent step with the medium to form a water soluble al... | 12/23/2003 |
| 6652820 | Methods of making cesium salts and other alkali metal salts A method of making a cesium salt is described and involves reacting a cesium sulfate containing solution with lime to form 1) a solution containing at least cesium hydroxide and 2) a residue comprising calcium sulfate. The method further involves removing... | 11/25/2003 |
| 6641734 | Process for purifying an organic acid A process is disclosed for purifying an aqueous feed stream comprising a product organic acid, such as lactic acid, and a strong contaminant, such as pyruvic acid or oxalic acid. The molar concentration of the product organic acid in the feed stream typic... | 11/04/2003 |
| 6639098 | Methods of using polylactate release compounds The preferred embodiments provide for a family of novel compositions to serve as substrates that release hydroxy acid slowly over time. Preferably the hydroxy acid is an -hydroxy acid, more preferably it is lactic acid. The compositions are prefera... | 10/28/2003 |
| 6632966 | Method for the preparation of lactic acid and calcium sulphate dihydrate The invention relates to a method for the preparation of lactic acid and calcium sulphate, in which (a) an aqueous solution that contains lactate is reacted with sulphuric acid at a temperature that is essentially higher than the transition temperature of... | 10/14/2003 |
| 6630603 | Method of industrial-scale purification of lactic acid The present invention relates to a method of industrial-scale purification of lactic acid, the method including the steps of: (a) reduced-pressure distillation of a concentrated lactic acid solution having a total acid content of at least 95 wt % and a con... | 10/07/2003 |
| 6627768 | Process for recovery of acid The invention provides a process for the conversion of an extracted carboxylic acid to a non-ionized derivative thereof, comprising contacting a carboxylic acid containing aqueous solution with a water-insoluble amine solvent, to recover acid therefrom an... | 09/30/2003 |
| 6534679 | Lactic acid processing; methods; arrangements; and, products The techniques for processing lactic acid/lactate salt mixtures are provided. Preferred mixtures for processing are obtained from fermentation broths, preferably from fermentation processes conducted at a pH of 4.8 or lower. The techniques generally conce... | 03/18/2003 |
| 6518454 | Preparation of esters of carboxylic acids Disclosed is a process wherein a solution of a carboxylic acid in a first solvent and an alcohol are fed to a simulated moving bed reactor (SMBR) containing a solid(s) to produce a first stream comprising a solution of an ester of the carboxylic acid and ... | 02/11/2003 |
| 6489508 | Method for purifying lactic acid The invention concerns a method for recuperating and purifying a lactic acid solution obtained initially from a fermentation medium or any other source, consisting in a pre-treatment to eliminate the ion loads capable of catalysing the lactic acid condens... | 12/03/2002 |
| 6472559 | Lactic acid production, separation and/or recovery process A process for the production and isolation of lactic acid is provided. A lactate feed solution, preferably obtained from a fermentation broth is combined with and extracted by a water-immiscible base in the presence of an acidifying agent. Lactic acid is ... | 10/29/2002 |
| 6395926 | Process for recovering low-boiling acids The invention provides a method for recovering low-boiling acids from a concentrated solution of the calcium salt of the acid by treating the concentrated solution of calcium salts of the low-boiling acids with a high molecular weight tertiary amine and c... | 05/28/2002 |
