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Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7763757 | Crystallization processes for producing bisphenols Processes for producing bisphenols (e.g., bisphenol A (BPA)) having a purity greater than 99.7% are described, such processes including reacting a phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising a bisphenol; removing at ... | 07/27/2010 |
| RE41290 | Process for purifying phenol-containing bisphenol A The process of the present invention comprises a first step in which crude molten bisphenol A containing phenol is supplied to a flash evaporator and separated into a gaseous phase comprising phenol and a liquid phase comprising bisphenol A and residual phenol, and ... | 04/27/2010 |
| 7586012 | Process for recovering an adduct of a bis(4-hydroxyaryl)alkane and a phenolic compound A process for recovering a solid adduct of a bis(4-hydroxyaryl)alkane and a phenolic compound from a suspension comprising the addict is disclosed. The process comprises the steps of a) supplying the suspension to a rotary filter, b) filtering the supplied suspensio... | 09/08/2009 |
| 7427694 | Process for the preparation of high-purity bisphenol A A process for the preparation of high purity bisphenol A is disclosed. The multi-step process entails a process whereby bisphenol A of a purity of preferably at least 99.8% can be obtained. ... | 09/23/2008 |
| 7371324 | Chemical process A process for extracting from aqueous solution the alkali metal or ammonium salt of a phenol, naphthol, anthrol or phenanthrol or the corresponding thiol, which comprises contacting an aqueous alkaline or neutral solution of the alkali metal or ammonium salt, in whi... | 05/13/2008 |
| 7371902 | Methods for purifying p,p-bisphenol-A Methods for purifying a p,p-bisphenol A generally include distilling a feed stream comprising p,p-BPA in a distillation column at a pressure less than or equal to 20 millibars. The distillation column separates the bisphenol feed stream to produce a light fraction, ... | 05/13/2008 |
| 7179868 | Polyglycolic acid-based resin composition and shaped product thereof A polyglycolic acid-based resin composition is formed by adding a relatively small amount of aromatic polyester resin to a polyglycolic acid resin. The thus-formed composition is provided with remarkably improved moisture resistance stability and hot-melt processabi... | 02/20/2007 |
| 7163582 | System and method of producing Bisphenol-A (BPA) using direct crystallization of BPA in a single crystallization stage A system and method are provided for producing Bisphenol-A (BPA) using direct crystallization of BPA in a single crystallization stage. In one embodiment the method comprises reacting Phenol and Acetone in the presence of a catalyst to form a product solution includ... | 01/16/2007 |
| 7132575 | Process for the synthesis of bisphenol A process for the production of a bisphenol comprises reacting a feed comprising a phenol, a ketone and water in the presence of an ion exchange resin catalyst to produce an effluent; determining the para—para bisphenol selectivity of the reaction; and adjusting t... | 11/07/2006 |
| 7115785 | Method for making salts hydroxy-substituted hydrocarbons Disclosed is a method for preparing an alkali metal salt of a hydroxy-substituted hydrocarbon which comprises the steps of (i) contacting in solvent media at least one hydroxy-substituted hydrocarbon with a base comprising an alkali metal cation; and (ii) devolatili... | 10/03/2006 |
| 7112703 | Production of bisphenol-A with reduced sulfur content A process for the production of bisphenol-A having low concentration of sulphur is disclosed. The process comprise a) reacting phenol with acetone in the presence of a sulfonic acid ion exchanger to form a product mixture containing water, bisphenol-A/phenol adduct,... | 09/26/2006 |
| 7078573 | Dewatering of circulatory flows in the production of bisphenol A A process for producing bisphenol A is disclosed. The process entails a) reacting phenol with acetone in the presence of an acidic catalyst to form a reaction mixture that includes bisphenol A and water, and b) removing water from the reaction mixture by distillatio... | 07/18/2006 |
| 7067704 | Process for purifying bisphenol-a Bisphenol-A is purified in a process which comprises the following steps: a) cooling a liquid mixture comprising bisphenol-A and water in a bisphenol-A crystallizer to form bisphenol-A crystals in a liquid phase; b) separating the bisphenol-A crystals from the liqui... | 06/27/2006 |
| 7045664 | Process for producing bisphenol A In a process for producing bisphenol A, an adduct of bisphenol A with phenol is promptly recovered in highly purity and high efficiency from a reaction mother liquor in the case of singling out bisphenol A from a reaction product. An adduct layer of bisphenol A with... | 05/16/2006 |
| 7034191 | Continuous crystallization process A continuous crystallization process comprising the steps of supplying a crystallization material containing bisphenol A to a crystallizer to form crystals of an adduct of bisphenol A and phenol or crystals of bisphenol A, subjecting the slurry discharged from the c... | 04/25/2006 |
| 6972345 | Extraction of phenol-containing effluent streams A process for extracting phenol from a phenol-containing aqueous solution is disclosed. The process entails contacting the aqueous solution with an extracting agent that comprise a mixture of 60 to 99% of methyl isobutyl ketone, 1 to 40% of anisole and 0 to 20% of m... | 12/06/2005 |
| 6960697 | System and method of producing bisphenol-A (BPA) A system and method for producing bisphenol-A (BPA) is provided. In particular, the present invention provides a system and method of producing bisphenol-A wherein the phase equilibrium behavior of a feed solution to a crystallizer is selectively controlled and adju... | 11/01/2005 |
| 6951965 | Process for purifying phenol-containing bisphenol A The process of the present invention comprises a first step in which crude molten bisphenol A containing phenol is supplied to a flash evaporator and separated into a gaseous phase comprising phenol and a liquid phase comprising bisphenol A and residual phenol, and ... | 10/04/2005 |
| 6946581 | Bisphenol compound composition having excellent thermal stability The purpose of the invention is to improve thermal stability of bisphenol compounds. The resolving means of the invention is to include a pyridine compound in bisphenol compounds. ... | 09/20/2005 |
| 6919487 | Bis(4-hydroxyaryl)alkanes The present application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones. | 07/19/2005 |
| 6906227 | Bisphenol phenol adducts The application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones. ... | 06/14/2005 |
| 6828465 | Method for producing bisphenols The present invention provides crystals of an adduct of a bisphenol and a phenol and methods of producing those crystals. The crystals may find use in preparing bisphenols. ... | 12/07/2004 |
| 6716729 | Stable bisphenolic compositions There is provided a stable single-phase composition of bisphenolic stillbottoms and methods for making such compositions. There is also provided a resole and a novolac composition that includes in the manufacture of the resins the use of a stable solution of bisphen... | 04/06/2004 |
| 6710211 | Method for the production of bisphenol-a 2,2-bis(4-hydroxyphenyl)propane (BPA) is produced by reacting acetone and phenol in the presence of cross-linked sulfonated polystyrene resins and then separating the BPA off from the reaction solution. ... | 03/23/2004 |
| 6689464 | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method A method for producing bisphenol A in prill form is disclosed. Molten bisphenol is top-fed into a prilling tower via a plate containing a plurality of nozzles. A gas coolant guided through a circuit is led into said tower in a counter flow direction. The ... | 02/10/2004 |
| 6620979 | High purity 9,9-bis-(hydroxyphenyl)-fluorene and method for the preparation and purification thereof A 9,9-bis (4-hydroxyphenyl) fluorene compound showing a melting curve maximum of at least 226.00° C. and a melting curve width at 5% equal to or lower than 1.30° C. A purification process for the preparation of 9,9-bis (4-hydroxyphenyl) fluorene compoun... | 09/16/2003 |
| 6600004 | Method of preparing polyestercarbonates A method of preparing polyestercarbonates is presented in which a mixture of at least one activated diaryl carbonate is reacted under melt polymerization conditions with at least one aromatic dihydroxy compound together with at least one dicarboxylic acid... | 07/29/2003 |
| 6576801 | Process for the neutralization of residual acid species in crude dihydric phenols The present invention relates to a method of neutralizing residual acid species in crude dihydric phenol comprising the step of introducing a thermally stable organic base selected from the group consisting of tetraalkyl phosphonium hydroxides, tetraorgan... | 06/10/2003 |
| 6545187 | Production of low-particulate bisphenol and use thereof in the manufacturing of polycarbonate Low-particulate dihydric aromatic compounds such as bisphenol-A that can be used in the synthesis of low-particulate polycarbonates are prepared by introducing into a desorber column containing a non-aggregate packing material an adduct of bisphenol and p... | 04/08/2003 |
| 6512148 | Process for the production of bisphenol A A process for the production of bisphenol A, including providing a melt of a crystalline adduct of bisphenol A and phenol, contacting the melt with a cation donating solid to neutralize the strong acid therewith, and then heating the melt to vaporize and ... | 01/28/2003 |
| 6464838 | Process for the recovery of compounds present in the heavy products after their preparation A process for the recovery of compounds present in a mixture containing residues of heavy products is provided. The process includes conducting a reaction and distillation to obtain the compounds and residues and macerating the residues before they can se... | 10/15/2002 |
| 6414198 | Method for producing bisphenol-A A process of preparing bisphenol A having low residual contents of oxygen and phenol is described. The process involves: (a) melting mixed crystals of bisphenol A and phenol under a nitrogen atmosphere at a temperature of 100° C. to 120° C.; (b) feeding... | 07/02/2002 |
| 6414106 | Process for the neutralization of residual acid species in crude dihydric phenols The present invention relates to a method of neutralizing residual acid species in crude dihydric phenol comprising the step of introducing a thermally stable organic base selected from the group consisting of tetraalkyl phosphonium hydroxides, tetraorgan... | 07/02/2002 |
| 6384288 | Method for the production of bis(4-hydroxyaryl)alkanes A process for producing bis(4-hydroxyaryl)alkane is disclosed. The process comprise in sequence the steps of (a) passing inert gas through a melt at 150 to 230° C. that contains bis(4-hydroxyaryl)alkane and other aromatic hydroxy compounds, under conditi... | 05/07/2002 |
| 6316678 | Method for producing dis(4-hydroxyaryl) alkanes The present invention relates to a process for producing bis(4-hydroxy-aryl)alkanes of high purity from addition products of bis(4-hydroxy-aryl)alkanes and aromatic hydroxy compounds which are obtained by the acid-catalysed reaction of the aromatic hydrox... | 11/13/2001 |
| 6313355 | Process for the preparation of tetrabromobisphenol-A Tetrabromobisphenol-A is produced in a bromination process where no bromine or only a very small proportion of bromine is fed to the reactor. In the process aqueous hydrobromic acid, is the sole source or a major source of the bromine. In the process ther... | 11/06/2001 |
| 6307111 | Method for continuous production of dihydroxydiarylalkanes The present invention relates to a process for the continuous production of dihydroxydiarylalkanes (bisphenols) by the reaction of fresh phenol, phenol and isoalkenylphenol from the decomposition of by-products, and ketone. In this process the bulk of the... | 10/23/2001 |
| 6300527 | Process for the preparation of tetrabromobisphenol-A This invention relates, inter alia, to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A and/or underbrominated bisphenol-A, which process features: a water and water-miscible organic solvent reaction medium; a relati... | 10/09/2001 |
| 6235946 | Process for the preparation of tetrabromobisphenol-A Tetrabromobisphenol-A is produced in a bromination process where no bromine or only a very small proportion of bromine is fed to the reactor. In the process aqueous hydrobromic acid, is the sole source or a major source of the bromine. In the process ther... | 05/22/2001 |
| 6218584 | Process for the preparation of tetrabromobisphenol-A This invention relates, inter alia, to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A and/or underbrominated bisphenol-A, which process features: a water and water-miscible organic solvent reaction medium; a relati... | 04/17/2001 |
