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Title: Compounds Derivable from Dehydroabietonitrile
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Document Type and Number: United States Patent 2,750,364
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Inventor: James Minn
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Publication Date: 06/12/1956
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Assignee: Hercules Powder Co., Wilmington, Del.
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Primary Class: 568/326
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Other Classes: 568/714, 560/255, 568/316, 560/107
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International Classes: C07C33/36; C07C33/00
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Abstract: Valuable and novel compounds derivable from dehydroabietonitrile and a process for their preparation.
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PDF: Patent 2750364
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Title: Phenanthrene Derivatives
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Document Type and Number: United States Patent 2,750,372
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Inventor: James Minn
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Publication Date: 06/12/1956
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Assignee: Hercules Powder Co., Wilmington, Del.
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Primary Class: 568/714
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Other Classes: 524/383, 560/256, 524/325, 524/384, 560/107, 560/84
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International Classes: C07C29/147; C07C35/42; C07C29/00; C07C35/00
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Abstract: New triols that can be prepared from hydrogenated rosin and, mores specifically, to triols obtained by the reduction of oxidatin products of the lactone of hydroxytetrahydroabietic acid.
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PDF: Patent 2750372
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Title: Process for preparing esters of O,O-dialkyl
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Document Type and Number: United States Patent 4,282,153
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Inventor: James Minn
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Publication Date: 08/04/1981
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Assignee: Hercules Agrochemicals Co., Wilmington, Del.
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Abstract: A method for improving the yields of insecticidal compositions produced by reacting an O,O-dialkyl dithiophosphoric acid with a chloro-p-dioxane in the presence of a Lewis acid catalyst and a stoichiometric excess of the acid reactant. More specifically, the method concerns the improvement wherein certain bicyclo-heptenes are added to the system resulting from the reaction and reacted with the excess of O,O-dialkyl dithiophosphoric acid present in the system.
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PDF: Patent 4282153
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Title: Sodium hydroxymethane sulfonate to improve the color stability of rosin resins
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Document Type and Number: United States Patent 5,021,548
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Inventor: James Minn
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Publication Date: 06/04/1991
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Assignee: Hercules Incorporated, Wilmington, Del.
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Abstract: The color stability of rosin esters is improved by carrying out the esterification reaction in the presence of 0.05% to 5% sodium hydroxymethane sulfonate (SHS).
The color stability of polymerized rosin is improved by heating at a temperature of 250°-290° C. in the presence of SHS.
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PDF: Patent 5021548
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Title: Use of a mixed catalyst system to improve the viscosity stability of rosin resins
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Document Type and Number: United States Patent 5,049,652
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Inventor: James Minn
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Publication Date: 09/17/1991
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Assignee: Hercules Incorporated, Wilmington, Del.
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Abstract: Esters having improved viscosity stability are prepared by heating a mixture of rosin and a polyol in the presence of a catalyst mixture of 0.1% to 0.6% by weight calcium bis(ethyl 3,5-di-t-butyl-4-hydroxybenzyl phosphonate) and 0.02 to 1.0% by weight of a second calcium compound selected from calcium carbonate, calcium oxide and a calcium salt of an aliphatic carboxylic acid, all percentages being based on the weight of rosin.
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PDF: Patent 5049652
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