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1. 发明授权

US5412075A Control of methionine content in photographic grade gelatin 失效
标题翻译：摄影级明胶中甲硫氨酸含量的控制
公开(公告)号：US5412075A
公开(公告)日：1995-05-02
申请号：US227171
申请日：1994-04-13
申请人： Donald P. Wrathall , John E. Keevert, Jr. , Gregg C. Hider , John S. Brand
发明人： Donald P. Wrathall , John E. Keevert, Jr. , Gregg C. Hider , John S. Brand
IPC分类号： C07K14/78 , G03C1/047 , C07K4/12
CPC分类号： C07K14/78 , G03C1/047 , Y10S530/84
摘要： The method for preparing high grade gelatin with a specific methionine content and with reduced methionine variability from batch to batch and within a single extraction includes controlling the amount of and variability of oxidant present during processing of bone stock into gelatin. Such controls include control of oxidant concentration and range in process water, control of volume of process water used in gelatin-making process and restriction of the range of gelatin extracts used in the product gelatin. Once the aim level of oxidant has been set, the total range of oxidant around the set point should be less than 220 meq per 100 kg dry bone.
摘要翻译：用于制备具有特定甲硫氨酸含量并且具有降低的甲硫氨酸变异性的批次和单次提取的高级明胶的方法包括控制在将骨料加工成明胶期间存在的氧化剂的量和变异性。这样的控制包括控制氧化剂浓度和工艺水中的范围，控制明胶生产过程中使用的工艺水的体积以及限制产品明胶中使用的明胶提取物的范围。一旦设定了氧化剂的目标水平，设定点周围的氧化剂的总范围应小于每100 kg干骨中的220meq。

2. 发明授权

US5908921A Method of manufacturing gelatin 失效
标题翻译：制造明胶的方法
公开(公告)号：US5908921A
公开(公告)日：1999-06-01
申请号：US185443
申请日：1998-11-03
申请人： Scott W. LaRoche , David J. Roy , John S. Brand
发明人： Scott W. LaRoche , David J. Roy , John S. Brand
IPC分类号： A23L29/20 , C08L99/00 , C09H3/00 , G03C1/047 , A61K38/17 , C08H1/00
CPC分类号： C09H3/00
摘要： The present invention is a process for the manufacture of gelatin which includes providing a collagen containing material and demineralizing the collagen containing material to produce ossein. The ossein is added to a water solution containing at least 3% sodium hydroxide or potassium hydroxide and at least 3% sodium sulfate for a time sufficient to form a reacted slurry. The reacted slurry is heated to a temperature of at least 45.degree. C. for a time sufficient to solubilize the ossein thereby producing a solution containing gelatin. The pH of the solution containing gelatin is raised to greater than 9.8. The pH of the solution containing gelatin is reduced with a sulfate salt of a divalent or trivalent metal to a neutral pH (between 7.0 and 8.0). The pH of the gelatin solution is then lowered to between 5.0 and 6.0 and a polymeric flocculant is added to the gelatin solution in an amount of less than 0.1% based on the dry weight of the gelatin to form a floc and the floc is removed. The resulting gelatin is filtered and desalted.
摘要翻译：本发明是一种制造明胶的方法，其包括提供含胶原的材料并使含胶原蛋白质软化以产生骨胶原。将骨胶蛋白加入含有至少3％氢氧化钠或氢氧化钾和至少3％硫酸钠的水溶液中足以形成反应浆液的时间。将反应的浆液加热到至少45℃的温度足以溶解骨胶原的时间，从而产生含有明胶的溶液。含有明胶溶液的pH升高至9.8以上。用二价或三价金属的硫酸盐还原含有明胶的溶液的pH至中性pH（7.0至8.0）。然后将明胶溶液的pH降低至5.0至6.0，并且基于明胶的干重将小于0.1％的量将聚合物絮凝剂加入到明胶溶液中，以形成絮凝物并除去絮凝物。将所得明胶过滤并脱盐。

3. 发明授权

US06911071B2 Photographic element containing acid processed gelatin 失效
标题翻译：含酸加工明胶的摄影元件
公开(公告)号：US06911071B2
公开(公告)日：2005-06-28
申请号：US10836901
申请日：2004-04-30
申请人： James S. Honan , Andrew M. Howe , Paul A. Corbelli , Lloyd A. Lobo , Ryan B. Adams , John S. Brand
发明人： James S. Honan , Andrew M. Howe , Paul A. Corbelli , Lloyd A. Lobo , Ryan B. Adams , John S. Brand
IPC分类号： C09D5/00 , C09D189/00 , G03C1/047 , C07K1/00 , C09H3/00 , C12P21/06 , G03C1/38
CPC分类号： G03C1/047
摘要： The present invention relates to an imaging member comprising poultry gelatin. In one embodiment, the poultry gelatin is located preferably in at least one layer in the upper half of said imaging member comprising poultry gelatin. Another embodiment provides an aqueous coating composition comprising poultry gelatin.
摘要翻译：本发明涉及包含家禽明胶的成像构件。在一个实施方案中，家禽明胶优选位于包含家禽明胶的所述成像构件的上半部分中的至少一层中。另一个实施方案提供包含家禽明胶的水性涂料组合物。

4. 发明授权

US06824941B2 Photographic element containing acid processed gelatin 失效
公开(公告)号：US06824941B2
公开(公告)日：2004-11-30
申请号：US10140846
申请日：2002-05-08
申请人： James S. Honan , Andrew M. Howe , Paul A. Corbelli , Lloyd A. Lobo , Ryan B. Adams , John S. Brand
发明人： James S. Honan , Andrew M. Howe , Paul A. Corbelli , Lloyd A. Lobo , Ryan B. Adams , John S. Brand
IPC分类号： G03C1047
CPC分类号： G03C1/047
摘要： The present invention relates to an imaging member comprising poultry gelatin. In one embodiment, the poultry gelatin is located preferably in at least one layer in the upper half of said imaging member comprising poultry gelatin. Another embodiment provides an aqueous coating composition comprising poultry gelatin.

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