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    • 2. 发明授权
    • Oligopeptides derived from collagen
    • 衍生自胶原的寡肽
    • US4285986A
    • 1981-08-25
    • US113694
    • 1980-01-21
    • Gheorghe CiocaMarcel Siegler
    • Gheorghe CiocaMarcel Siegler
    • C08H1/00A23J3/32A23K1/16A23K1/18C07K14/78A23J1/10
    • C07K14/78A23J3/32A23K20/147A23K50/30
    • A method of preparing oligopeptides from collagen is disclosed. Collagen containing material is treated with an aqueous solution of a member selected from the group consisting of an alkali earth metal hydroxide, an alkali metal hydroxide and mixtures thereof in the presence of an agent which prevents overswelling of the collagen. The treatment removes substantially all of the hair and fat from the collagen. The remaining non-collagenous material is removed by treating the dehaired and defatted collagen with an aqueous solution which acts as a solvent for the non-collagenous material. The collagen is neutralized and residual salts are removed therefrom. The collagen is heated under pressure in the presence of water to hydrolyze polypeptide chains to form oligopeptides having a molecular weight of between about 5,000 and 20,000. The recovered oligopeptides are particularly useful as a trophic agent for feeding animals.
    • 公开了从胶原制备寡肽的方法。 含有胶原的材料在选自碱土金属氢氧化物,碱金属氢氧化物及其混合物的组分的水溶液中,在防止胶原蛋白过度流动的试剂中进行处理。 该处理基本上从胶原中去除所有的头发和脂肪。 通过用作为非胶原材料的溶剂的水溶液处理脱毛和脱脂的胶原来除去剩余的非胶原材料。 胶原被中和,并从中除去残留的盐。 胶原蛋白在水的存在下在压力下加热以水解多肽链以形成分子量为约5,000至20,000的寡肽。 回收的寡肽特别可用作饲养动物的营养剂。
    • 3. 发明授权
    • Non-chrome tanning method
    • 非铬鞣制方法
    • US4784664A
    • 1988-11-15
    • US877743
    • 1986-06-24
    • Marcel SieglerErnest DiamontJoseph L. SuarezColin D. Quinn
    • Marcel SieglerErnest DiamontJoseph L. SuarezColin D. Quinn
    • C14C3/28C14C3/02C14C3/08C14C3/10
    • C14C3/02
    • The present process yields superior leather materials from limed hides, without the use of chromium salts, by combining a series of essential method steps in a sequence which yields leather having a "chrome" character. The present chromium-free tanning process includes the method steps of pretanning a hide with a chromium-free tan until its shrinkage temperature is about 170.degree. to 185.degree. F., submerging the hide in an acidic brine, having a pH between 2.5 and 3.5, and adding (in sequence, and in amounts sufficient to yield specified concentrations of each) pretanning agents, syntans, vegetable extracts, neutralizing agents and retanning and finishing agents, all of which are free from chromium. This method of pretanning, tanning and retanning a hide with a specified sequence of particular concentrations of chromium-free reagents yields a leather product having the characteristics of chrome-tanned leather and which demonstrates superior shrink resistance, resilience and flexural strength. The resultant leather product has particular utility when incorporated into durable, weather-resistant footwear such as military shoes and boots, but is likewise suitable for use in other applications which require durable, attractive leather goods such as handbags and attaches.
    • 本发明方法通过在产生具有“铬”特性的皮革的序列中组合一系列必需的方法步骤,从而不使用铬盐,从有色皮革产生优良的皮革材料。 本发明的无铬鞣制方法包括以无铬棕褐色预鞣皮的方法步骤,直到其收缩温度为约170至185°F,将皮革浸入酸性盐水中,pH在2.5至3.5之间 ,并且加入(按顺序,并且以足以产生每种的指定浓度的量)预处理剂,合成鞣剂,植物提取物,中和剂和复鞣整理剂,所有这些都不含铬。 这种用特定浓度的无铬试剂预定鞣制和复鞣皮革的方法产生具有铬鞣皮革特征的皮革制品,并且具有优异的抗收缩性,弹性和弯曲强度。 所得到的皮革产品在结合到耐用的耐候性鞋类如军用鞋和靴子中时具有特别的用途,但同样适用于需要耐用,有吸引力的皮革制品如手袋和附件的其它应用。
    • 5. 发明授权
    • Manufacture of leather
    • 皮革制造
    • US4060384A
    • 1977-11-29
    • US721706
    • 1976-09-09
    • Marcel Siegler
    • Marcel Siegler
    • C14C3/02C14C3/06C14C3/28
    • C14C3/28
    • Manufacture of grain and split leather is simplified by pre-tanning hide with a chromium-free tan until its shrinkage temperature is about 170.degree. to about 185.degree. F, splitting the pre-tanned hide to provide a grain intermediate and a split intermediate, shaving at least one of these intermediates, and chrome-tanning the shaved intermediate. Shavings contain no chromium and can be disposed of by dumping, without significant environmental impact. Before splitting, the hide can also be pickled to improve the splitting and shaving and make the unfinished hide better suited for shipping to remote geographical areas. Entire hide treatment sequence can be effected with two stages in which batches of hides are loaded in a container such as tumbling drum; unhairing, bating and pre-tanning with or without a pickle, all in one stage, and final tanning, coloring and fat-liquoring in another stage. Final chrome-tanned product has very good physical characteristics including unusually high slot tear and is recovered in higher yield.
    • 通过无铬鞣制的皮革制成谷物和分裂皮革,直到其收缩温度为约170度至约185°F,将预鞣皮分割成提供谷物中间体和分割中间体,剃须 这些中间体中的至少一种,并且将鞣制的中间体进行铬鞣制。 刨花不含铬,可以通过倾倒处理,没有显着的环境影响。 在分裂之前,皮革也可以酸洗,以改善分裂和剃须,并使未完成的皮革更适合运送到偏远的地理区域。 可以通过两个阶段实现整个隐藏处理顺序,其中批量的皮革装载在诸如滚筒的容器中; 腌制,鞣制和预鞣制,有或没有腌制,一个阶段,最后的鞣制,着色和油炸在另一个阶段。 最终的铬鞣制品具有非常好的物理特性,包括异常高的槽裂,并以更高的产率回收。
    • 7. 发明授权
    • Chromium-free tanning process
    • 无铬鞣制工艺
    • US4740211A
    • 1988-04-26
    • US776023
    • 1985-09-09
    • Marcel SieglerErnest DiamontJoseph L. SuarezColin D. Quinn
    • Marcel SieglerErnest DiamontJoseph L. SuarezColin D. Quinn
    • C14C3/10C14C3/08C14C3/28
    • C14C3/08C14C3/28
    • The present process yields superior leather materials from limed hides, without the use of chromium salts, by combining a series of essential method steps in a sequence which yields leather having a "chrome" character. The present chromium-free tanning process includes the method steps of pretanning a hide with a chromium-free tan until its shrinkage temperature is about 170.degree. to 185.degree. F., submerging the hide in an acidic brine, having a pH between 2.5 and 3.5, and adding (in sequence, and in amounts sufficient to yield specified concentrations of each) pretanning agents, syntans, vegetable extracts, neutralizing agents and retanning and finishing agents, all of which are free from chromium. This method of pretanning, tanning and retanning a hide with a specified sequence of particular concentrations of chromium-free reagents yields a leather product having the characteristics of chrome-tanned leather and which demonstrates superior shrink resistance, resilience and flexural strength. The resultant leather product has particular utility when incorporated into durable, weather-resistant footwear such as military boots and shoes.
    • 本发明方法通过在产生具有“铬”特性的皮革的序列中组合一系列必需的方法步骤,从而不使用铬盐,从有色皮革产生优良的皮革材料。 本发明的无铬鞣制方法包括以无铬棕褐色预鞣皮的方法步骤,直到其收缩温度为约170至185°F,将皮革浸入酸性盐水中,pH在2.5至3.5之间 ,并且加入(按顺序,并且以足以产生每种的指定浓度的量)预处理剂,合成鞣剂,植物提取物,中和剂和复鞣整理剂,所有这些都不含铬。 这种用特定浓度的无铬试剂预定鞣制和复鞣皮革的方法产生具有铬鞣皮革特征的皮革制品,并且具有优异的抗收缩性,弹性和弯曲强度。 所得的皮革制品在结合到耐用的耐候性鞋类如军靴和鞋中时具有特别的用途。
    • 8. 发明授权
    • Method of preparing soluble collagen fibers
    • 制备可溶性胶原纤维的方法
    • US4295894A
    • 1981-10-20
    • US95391
    • 1979-11-19
    • Gheorge CiocaMarcel Siegler
    • Gheorge CiocaMarcel Siegler
    • A23J1/10C07K1/14C07K14/78D01C3/00D01F4/00C08L89/06C08K3/24C08K3/20C08K3/30
    • D01C3/00A23J1/10D01F4/00
    • A method of forming soluble collagen fibers from raw animal hides is disclosed. Raw animal hides are treated with an aqueous solution of an alkali metal hydroxide and a dehydrating agent to remove the hair and fat therefrom to yield a substantially fat-free corium. The interfibular bonds of the collagen in the corium are stabilized with an aqueous solution of an alkali sulfate. The corium is neutralized and dissolved in an aqueous acid solution to yield a collagen solution. The pH of the aqueous collagen solution is adjusted to the isoelectric point of the collagen to precipitate the collagen fibers from the solution. The collagen fibers are dried. The collagen fibers so produced are useful in edible food, may be redissolved and further processed for a plurality of uses.
    • 公开了从生动物皮革形成可溶性胶原纤维的方法。 用碱金属氢氧化物和脱水剂的水溶液处理生的动物皮革,以从其中除去毛发和脂肪,从而产生基本上无脂肪的corium。 使用碱金属硫酸盐水溶液使corium中的胶原蛋白的界面内键稳定。 将中和并溶解在酸水溶液中以产生胶原溶液。 将胶原水溶液的pH调节至胶原的等电点,以从溶液中沉淀胶原纤维。 将胶原纤维干燥。 如此生产的胶原纤维在食用食品中是有用的,可以重新溶解并进一步加工用于多种用途。