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| Number | Title | Issue Date |
| 4657950 | Refractory binders Refractory shaped articles are prepared by heating refractory mixes comprised of refractory particles and an alkoxy modified phenolic resole resin having at least one alkoxy methylene group for every 20 phenolic hydroxyl groups.... | 04/14/1987 |
| 4644022 | Cold-setting compositions for foundry sand cores and molds A cold-setting foundry binder composition, which provides foundry cores and molds with improved curing speed, comprising a particulate refractory material, a resin binder, an acid curing catalyst, and an accelerator. The accelerator is selected from the g... | 02/17/1987 |
| 4634758 | Process for preparing alkoxy-modified phenolic resole resins A process for preparing an alkoxy-modified phenolic resole resin useful as the polyhydroxy component of a urethane binder composition. A phenol is reacted with a molar excess of an aldehyde in the presence of an alkaline catalyst and the resulting product... | 01/06/1987 |
| 4628028 | Novel thermostable pullulanase enzyme and method for its production This invention relates to a pullulanase enzyme exhibiting thermostability at a pH of about 5 which is derived from thermophilic, obligately anaerobic bacterium. T. brockii, and to a process for its production. The pullulanase is useful for preparation of ... | 12/09/1986 |
| 4613570 | Novel thermostable, aciduric alpha-amylase and method for its production This invention relates to an alpha-amylase enzyme exhibiting thermostability at an acidic pH, produced by a strain of Clostridium thermohydrosulfuricum. This enzyme is especially useful for the preparation of glucose-containing syrups from starch.... | 09/23/1986 |
| 4612287 | Plasmids containing a gene coding for a thermostable pullulanase and pullulanase-producing strains of Escherichia coli and Bacillus subtilis containing the plasmids The gene coding for a thermostable pullulanase enzyme is incorporated into chimeric plasmids which are inserted into and reproduced by E. coli or B. subtilis host microorganisms. When microorganisms containing the chimeric plasmids are grown in fermentati... | 09/16/1986 |
| 4578352 | Novel thermostable, aciduric alpha-amylase and method for its production This invention relates to an alpha-amylase enzyme exhibiting thermostability at an acidic pH which is derived from a spore-forming, thermophilic, anaerobic bacterium and to a process for its production. This alpha-amylase is especially useful for the prep... | 03/25/1986 |
| 4560658 | Production of butanol by fermentation in the presence of carbon monoxide An improved process for the production of butanol by fermentation of carbon-containing compounds with C. acetobutylicum is disclosed. The fermentation is conducted in an aqueous medium containing a sufficient concentration of dissolved carbon monoxide to ... | 12/24/1985 |
| 4546124 | Polyurethane binder compositions A foundry binder composition which provides foundry cores and molds of superior hot strength comprises a polyisocyanate, a polyhydroxy component and a catalyst. The polyhydroxy component is an alkoxy modified phenolic resole resin containing at least one ... | 10/08/1985 |
| 4536477 | Thermostable glucoamylase and method for its production This invention relates to a glucoamylase enzyme exhibiting thermostability at pH values between 6 and 7 which is derived from a spore-forming, thermophilic, anaerobic bacterium and to a process for its production. The glucoamylase is especially useful for... | 08/20/1985 |
| 4521516 | Strain of Clostridium acetobutylicum and process for its preparation A novel asporogenic strain of Clostridium acetobutylicum is produced by growing a spore-forming strain in a continuous culturing reactor. Culturing is conducted at a dilution rate which prevents accumulation of butanol and acetone in the medium. Culturing... | 06/04/1985 |
| 4520104 | Production of butanol by a continuous fermentation process An improved process for the continuous production of butanol by fermentation of carbohydrates with C. acetobutylicum is disclosed. This process combines continuous inoculum production at a high dilution rate and cycling the fermentation broth through a ma... | 05/28/1985 |
| 4514316 | Polyisocyanate compositions useful for polyurethane binders A polyisocyanate component useful in polyurethane binder compositions is provided. The polyisocyanate component incorporates organic phosphorous compounds that impart longer bench life to the binders making them more useful for prepraring moldable composi... | 04/30/1985 |
| 4513084 | Mutant strain of Clostridium thermoaceticum useful for the preparation of acetic acid A biologically pure mutant of C. thermoaceticum (ATCC No. 39,289) useful for the production of acetic acid by a fermentation reaction. This mutant is capable of growing at a pH below 5.0 and shows a specific growth rate of at least 0.30 hr-1 wh... | 04/23/1985 |
| 4508576 | Hot-water dispersible corn starch having high paste viscosity A process for preparing a corn starch product that forms a uniform viscous dispersion when added to boiling water. This process comprises heating a mixture of starch, surfactant and water followed by subjecting the mixture to microwave radiation.... | 04/02/1985 |
| 4507518 | Dehydration of 2,5-dimethyl-2,5-hexanediol This invention relates to an improved process for the dehydration of 2,5-dimethyl-2,5-hexanediol to give good yields of 2,5-dimethyl-2,4-hexadiene with a minimum of by-products. This is accomplished by heating 2,5-dimethyl-2,5-hexanediol with a montmorill... | 03/26/1985 |
| 4506012 | Production of organic acids by a continuous fermentation process An improved process for preparing organic acids by a continuous homoacidogenic fermentation is disclosed. This process provides increased volumetric productivity of the acid by employing a microorganism growing on the surface of a support material such as... | 03/19/1985 |
| 4493893 | Process for cloning the gene coding for a thermostable alpha-amylase into Escherichia coli and Bacillus subtilis An improved process for producing a thermostable alpha-amylase enzyme is described. The gene coding for the alpha-amylase is incorporated into a chimeric plasmid which is produced in multiple copies by a host microorganism.... | 01/15/1985 |
| 4487868 | Foundry core compositions A foundry core composition containing a rapid-curing furfuryl alcohol and phenolic resole resin system useful in the "hot-box" process is provided. This composition includes an acidic curing agent of low toxicity whose catalytic activity is enhanced by th... | 12/11/1984 |
| 4487832 | Process for making n-butyl butyrate A novel method for making n-butyl butyrate is disclosed. This method comprises passing a fermentation medium containing solvent-producing cells of C. acetobutylicum through a bed of activated carbon followed by desorbing the n-butyl butyrate from the carb... | 12/11/1984 |
| 4469517 | Silicate treatment of impure silica sands A process is provided for treating impure silica-containing sands to make them more suitable for foundry use. The sands are treated with aqueous alkali metal silicate solutions and the resulting mixture is heated before the sands are coated with a resin b... | 09/04/1984 |
| 4465773 | Amylase-negative, asporogenous mutant of Bacillus subtilis useful as a host in a host-vector system A biologically pure amylase-negative, asporogenous mutant B. subtilis EE101 (ATCC 39,096) is provided. This host, which contains no amylase-coding gene, is particularly useful as a host in a host-vector system for recombinant DNA work directed toward the ... | 08/14/1984 |
| 4450236 | Asporogenic mutant of Bacillus subtilis useful as a host in a host-vector system A biologically pure strain of asporogenous B. subtilis DE101 (ATCC 39,095) is provided. This strain, which shows a low frequency of reversion to spore formers, is suitable for a host providing a high level of biological containment in a host-vector system... | 05/22/1984 |
| 4450235 | Asporogenic mutant of bacillus subtilis useful as a host in a host-vector system A biologically pure strain of asporogenous B. subtilis DE100 (ATCC 39,094) is provided. This strain, which shows a low frequency of reversion to spore formers, is suitable for a host providing a moderate to high level of biological containment in a host-v... | 05/22/1984 |
| 4439489 | Particles covered with a cured infusible thermoset film and process for their production An improved process is provided for preparing a product containing particles individually coated with a cured, thermoset phenolic resin. The process comprises mixing particulate matter with an uncured resin and a lubricant at a temperature which causes cu... | 03/27/1984 |
| 4436881 | Polyurethane binder compositions An improved polyurethane binder system is provided which incorporates organic phosphorous compounds that impart longer bench life to the binders making them more useful for preparing moldable compositions such as foundry cores and molds.... | 03/13/1984 |
| 4419450 | Plasmid cloning vector for Bacillus subtilis A novel chemical compound, plasmid pOS4, is prepared by joining fragments of the plasmids pSE3 and pE194. The pOS4 plasmid, containing kanamycin resistance and erythromycin resistance coding genes, is useful as a cloning vehicle in recombinant DNA work.... | 12/06/1983 |
| 4405717 | Recovery of acetic acid from a fermentation broth A process is provided for the recovery of acetic acid from dilute aqueous solutions. The acid in the form of its calcium salt is treated with a tertiary amine carbonate and the resulting trialkylammonium acetate is isolated and heated to give the acetic a... | 09/20/1983 |
| 4356262 | Process for the production of high fructose syrups and ethanol This invention relates to a 1-step process for the preparation of fructose polymers and ethyl alcohol from sucrose. The fructose polymers are especially useful for production of high fructose syrups.... | 10/26/1982 |
| 4336179 | Resin binders for foundry sand cores and molds A granular composition is provided that is especially useful for the preparation of foundry cores and molds. Incorporated in the composition is a novel resin binder that imparts rapid curing properties to the composition.... | 06/22/1982 |
| 4335207 | Process for the production of high fructose syrups and ethanol This invention relates to a 2-step process for the preparation of fructose polymers and ethyl alcohol from sucrose. The fructose polymers are especially useful for the production of high fructose syrups.... | 06/15/1982 |
| 4333513 | Catechol resins for the shell process A resin-coated sand comprising: (a) particles of sand coated with from about 1% to about 8%, by weight of the sand, of a novolak resin consisting essentially of about 50% to about 98% of a phenol-formaldehyde novolak resin and about 2% to about 50% of a c... | 06/08/1982 |
| 4325882 | Extraction of oil from high oil-bearing seed materials A process is provided for the extraction of oil from high-oil bearing seed materials. This process employs total immersion of a moist solid in a solvent without production of emulsions or contamination of the miscella with finely-divided solids.... | 04/20/1982 |
| 4317880 | Process for the production of fructose polymers and high fructose syrups This invention relates to a process especially useful for the preparation of novel fructose polymers and high fructose syrups from sucrose.... | 03/02/1982 |
| 4310468 | Extraction of oil from vegetable materials A process is provided for the extraction of oil from undried, finely-divided vegetable material. This process employs total immersion of moist solid in a solvent without production of emulsions or contamination of the miscella with finely-divided solids.... | 01/12/1982 |
| 4309505 | Process for the production of fructose transferase enzyme An improved process for obtaining fructosyl transferase enzyme from the yeast Aureobasidium pullulans. Prior purification process steps are eliminated by use of conditions which do not produce black pigments and viscous polysaccharides.... | 01/05/1982 |
| 4291065 | Staling resistant baked food product The staling of sweet baked goods comprising starch, water and sweetener is reduced from conventional levels. This may be accomplished by incorporating a preservative agent sugar having high unit anti-staling activity into the sweetener and/or by increasin... | 09/22/1981 |
| 4277411 | Extraction of oil from vegetable materials An improved method for extracting oil from oil-bearing vegetable materials is disclosed. The method comprises forming a particulate vegetable material containing between about 20% and about 55% water by weight, drying the particulate vegetable material to... | 07/07/1981 |
| 4266348 | Fluidized bed process A process and apparatus for fluidized bed operations wherein the fluidized bed includes an upper fluidized zone and a lower fluidized zone, with each of the upper and lower fluidized zones equipped with agitating means therein. Positioned intermediate the... | 05/12/1981 |
| 4246184 | Extraction of oil from vegetable materials An improved method for removing oil from oil-bearing vegetable material is disclosed. The method comprises comminuting the vegetable material, forming agglomerates of the finely divided material containing between about 20% and about 55% water by weight, ... | 01/20/1981 |
