CN1188500C - 切削油剂组合物 - Google Patents
切削油剂组合物 Download PDFInfo
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Abstract
本发明目的是提供溶解性、润滑性、防锈性、安全性、低起泡性、洗涤性均优的切削液组合物。作为达到此目的的手段,将作为上述切削液组合物有效成分的具有长链酰基的N-酰基氨基酸和/或其盐或具有直链烷基的N-烷基氨基酸和/或其盐与烷基烯化氧和/或酰基烯化氧并用。
Description
技术领域
本发明主要涉及金属切削加工和磨削加工的切削磨削油中的水溶性切削油剂。
背景技术
历来,水溶性表面活性剂多用作水溶性切削油剂,但从其本来的性质看,在水溶液中容易产生泡沫。因此,在必须避免发泡的切削、磨削中使用时多出现问题。为了避免其发泡,则是在添加烃类、动植物油、脂肪酸酯、长链醇类、脂肪酸的钙盐和硅油等的条件下进行此加工,但是也存在这些添加剂残留在被切削物表面上等的问题。
也即,在特开平6-330098号公报中,公开了以脂肪酸或脂肪酸皂作消泡剂;在特开平10-15305号中公布了用混合脂肪酸酰基烯化氧作消泡剂,但由于这些不溶于表面活性剂水溶液中并残留于切削车床或被切削物上,有成为金属腐蚀原因之虞。此外,在如特开昭51-151284号公报中报导的那样虽然硅油可溶于表面活性剂水溶液中时,但由于Si离子的附着性高,故也有问题,即洗涤后难以将其完全除去,在其它加工时产生不良影响之类与发锈等品质劣化有关的问题。
作为具有消泡性的水溶性切削磨削油剂,在特开平2-119925号公报中公开了蓖麻油脂肪酸盐和羧酸盐并用的水溶性表面活性剂组合物;在特开平2-277536号公报中公开了羟基羧酸的缩合物盐,但由于要将它们作成水溶液,就需要使pH值极端地高,故有在金属、印刷电路板上引起腐蚀的问题,另外,因脂肪酸的耐水性低,有时脂肪酸钙盐残留于切削车床和被切削物上。另外它们还有恶臭和出现皮肤斑疹等使用上的问题。
作为优秀的具有抑制金属腐蚀效果的水溶性切削磨削油剂,在特开昭49-90645号公报、特公昭51-46745号公报中公开了酰基谷氨酸盐等的酰基氨基酸盐,虽然具有润滑性、洗涤性、溶解性,皮肤刺激性低,但仍有消泡性不足的问题,特开昭57-39177号公报中通过使用支链状酰基氨基酸来尝试提高消泡性,但也未得到令人满足的结果。
在特开平9-59696号公报中公开了将硫酸酯型、羧酸型阴离子表面活性剂和聚丙二醇与环氧乙烷的加聚物(pluronic)型聚醚系等的阴离子表面活性剂的表面活性剂组合物作为切削液,但消泡性不充分,此外,在实施例中配入作为唯一公布的阴离子表面活性剂的硫酸酯型阴离子表面活性剂的切削剂组合物其防锈性低,必须添加防锈剂。
发明的公开
本发明的目的是提供具有消泡性、溶解性、润滑性、防锈性、洗涤性,并且安全性和生物分解性优秀的、容易处理的切削油剂组合物。
本发明人鉴于上述的实际情况,经过锐意研究的结果发现:将具有长链酰基的N-酰基氨基酸和/或其盐;或者具有长链烷基的N-烷基氨基酸和/或其盐(成分A)和酰基烯化氧和/或烷基烯化氧(成分B)并用,可达到上述目的,从而完成了本发明。
也即,本发明涉及切削油剂组合物,其特征是含有如下成分(A)和成分(B)。
(A)选自具有长链酰基的N-酰基氨基酸和/或其盐;或者具有长链烷基的N-烷基氨基酸和/或其盐中的1种或2种以上;
(B)酰基烯化氧和/或烷基烯化氧。
以下,对本发明进行详细说明:
在本发明中所用的作为成分(A)的具有长链酰基的N-酰基氨基酸可以举出的有:N-酰基谷氨酸、N-酰基天冬氨酸、N-酰基高半胱氨酸等的N-酰基酸性氨基酸;N-酰基甘氨酸、N-酰基丙氨酸、N-酰基-β-丙氨酸、N-酰基苏氨酸、N-酰基丝氨酸、N-酰基苯基丙氨酸等的N-酰基中性氨基酸;N-酰基-N-甲基谷氨酸、N-酰基-N-甲基天冬氨酸、N-酰基-N-甲基高半胱氨酸等的N-酰基-N-烷基酸性氨基酸;N-酰基-N-甲基-β-丙氨酸、N-酰基肌氨酸等的N-酰基-N-烷基中性氨基酸;二酰基赖氨酸、二酰基鸟氨酸等的二酰基碱性氨基酸等,这些可与旋光异构现象无关地使用。
在这些酰基氨基酸之中,N-酰基谷氨酸、N-酰基天冬氨酸、N-酰基甘氨酸、N-酰基丙氨酸、N-酰基-β-丙氨酸、N-酰基-N-甲基-β-丙氨酸以其安全性和溶解性而令人满意。另外,从消泡性和洗涤性的观点看来,以N-酰基谷氨酸、N-酰基天冬氨酸为好,而N-酰基谷氨酸最优。在洗涤性方面,这些酰基酸性氨基酸所以特别优良,可认为是:由于酸性氨基酸的2个羧基的螯合效果,所以可捕集被切削的微细金属粉屑而不残留于被切削物的表面,在切削油剂中容易分散,使用后可用水简单地冲洗。
本发明中成分(A)的具有长链酰基的N-酰基氨基酸的酰基的碳原子数为8~18者为好,更好是10~14者。如碳原子数小于8,则可观察到其洗涤性降低和安全性降低;如碳原子数大于18,则溶解性下降,作为切削油剂组合物时,有低温稳定性降低的现象。特别令人满意的是碳原子数为12的月桂酰基以及以其为主成分的椰子油脂肪酸酰基。
此外,作为本发明所用的成分(A)的具有长链烷基的N-烷基氨基酸可以列举的有:N-烷基谷氨酸、N-烷基天冬氨酸、N-烷基高半胱氨酸等的N-烷基酸性氨基酸;N-烷基甘氨酸、N-烷基丙氨酸、N-烷基-β-丙氨酸、N-烷基苏氨酸、N-烷基丝氨酸、N-烷基苯基丙氨酸等的N-烷基中性氨基酸;N-二烷基谷氨酸、N-二烷基天冬氨酸、N-二烷基高半胱氨酸等的N-二烷基酸性氨基酸;N-二烷基-β-丙氨酸、N-二烷基甘氨酸等的N-二烷基中性氨基酸;二烷基赖氨酸、二烷基鸟氨酸等的二烷基碱性氨基酸等。这些可与旋光异构现象无关地使用。
本发明中成分(A)的具有烷基的N-烷基氨基酸的烷基,其碳原子数较好是8~18,更好是10~14。如碳原子数小于8,则可观察到其洗涤性和安全性降低,如碳原子数大于18,则溶解性下降,有时作为切削油剂组合物时的低温稳定性下降。特别好的是碳原子数为12的月桂基。
本发明成分(A)的具有长链烷基的N-烷基氨基酸的烷基的碳原子数较好是8~18,更好是10~14。如碳原子数小于8,则可观察到其洗涤性以及安全性低,如碳原子数大于18,则溶解性下降,有时作为切削油剂组合物时的低温稳定性下降,特别好的是碳原子数为12的月桂基。
再者,在本发明中,与N-烷基氨基酸相比,N-酰基氨基酸的防锈性和润滑性更好。
作为本发明中成分(A)的盐可以举出的有:钠盐、钾盐、镁盐、铵盐等无机盐;精氨酸盐、赖氨酸盐,组氨酸盐、鸟氨酸盐、三乙醇胺盐等有机盐。在这些盐之中,从溶解性观点看来,以钠盐、钾盐、三乙醇胺盐为好,更好的是钾盐和三乙醇胺盐,特好的是三乙醇胺盐。
本发明中(B)成分的酰基烯化氧和烷基烯化氧以下记一般式(1)表示:
RO(X)nH (1)
式中,X是烯化氧;n是整数;R是酰基或烷基。
本发明的酰基烯化氧的酰基,其碳原子数以14~24为好,作为例示的可举出:肉豆蔻酰基、棕榈酰基、硬脂酰基、异鲸蜡酰基、异硬脂酰基、辛基十二烷酰基、癸基十四烷酰基等。其中,从消泡性和溶解性看来,以碳原子数18~24者好,特别好的是18~20。如碳原子数小于14,则可观察到其消泡性低;如碳原子数大于24,则溶解性低,作为切削油剂组合物时的低温稳定性有时低。此外,支链者比直链者的消泡性和溶解性好。
另外,作为本发明的酰基烯化氧的环氧基可以举出的有:环氧乙烷、环氧丙烷、环氧异丙烷等。n以1~30为好,更好的是5~20,再好的是5~10。如n大于30,则有时起泡性过高;n如为0,则溶解性低,有时作为切削油剂组合物时的低温稳定性低。
本发明的烷基烯化氧的烷基,其碳原子数以14~24为好,作为例示可举出的有:肉豆蔻基、硬脂基、异鲸蜡基、异硬脂基、辛基十二烷基、癸基十四烷基等。其中,从消泡性和溶解性看来,以碳原子数为18~24更好,特别好的是18~20。如碳原子数小于14,则可观察到其消泡性低;如碳原子数大于24,则溶解性下降,有时,作为切削油剂组合物时的低温稳定性低。此外,支链者比直链的消泡性和溶解性好。
另外,作为本发明的烷基烯化氧的环氧基可列举的有:环氧乙烷、环氧丙烷、环氧异丙烷。n以1~30为好,更好是5~20,再好为5~10。如n大于30,则有时起泡性过高;n如为0,则溶解性下降,有时作为水溶性切削磨削油剂时的低温稳定性低。
再者,在本发明中,从消泡性看来,与酰基烯化氧相比,烷基烯化氧更好。
另外,本发明中的成分(B)中,可单独使用以通式(1)所表示的化合物;也可将二种以上混合使用。
在本发明的切削油剂组合物中,成分(A)和成分(B)的配料比例按重量比可在99∶1~1∶99范围使用,从作为切削油剂组合物时的低温稳定性、防锈性、润滑性、洗涤性和消泡性观点看来,以99∶1~50∶50为好,更好是95∶5~85∶15。
另外,在切削油剂组合物中所使用的本发明的水溶性表面活性剂的含量可按照使用形态适当地选择,为充分发挥作为本发明效果的润滑性、防锈性、洗涤性、成分(A)的重量以占组合物中的表面活性剂总重量的50%以上为好,较好在60%以上,更好在70%以上,特好占80%以上。
再者,在本发明的切削油剂组合物中,在不阻碍本发明效果的范围内,可添加通常所使用的各种添加剂。例如可举出的有:脂肪酸及其盐;丙二醇、丙三醇、丁二醇等多价醇;阴离子型表面活性剂、两性表面活性剂、非离子型表面活性剂等的表面活性剂;油剂;高分子物质、醇类、抗炎症剂、杀菌剂、防腐剂,抗氧化剂、依地酸盐等螯合剂、pH调整剂等。
此外,本发明切削油剂组合物从溶解性和防锈性观点看来,以pH为6以上为好。
实施发明的最佳方案
以下,通过实施例对本发明更详细地加以说明,但本发明并不限于这些实施例。
试验例1:对消泡性的评价
关于以下表1所示组成的切削油剂组合物各总量100g,在室温下,采用如下方法评价消泡性。也即,在市售家庭用的混合机(岩谷产业(株))中加入规定浓度的切削油剂组合物50ml,在30℃下搅拌5秒钟,在搅拌终了时立即读出1分钟后;5分钟后的起泡量(ml),其次,按照以下判定基准对消泡性进行评价。
消泡性基准:
◎:消泡性非常良好(5分钟后的泡量在90ml以下)
○:消泡性良好(5分钟后的泡量在105ml以下)
△:消泡性一般(5分钟后的泡量不到140ml)
×:消泡性不良(5分钟后的泡量在140ml以上)
表1
实施例 | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
N-可可酰基谷氨酸单TEA盐N-可可酰基谷氨酸二钠盐POE烷基醚硫酸钠盐月桂酸钠盐POE(12)单异硬脂酸酯POE(10)异硬脂酰基醚POE(10)辛基十二烷基醚POE(10)单硬脂酸酯POE(10)硬脂酰基醚POE(15)月桂基醚三乙醇胺水 | 0.450.050.14余量 | 0.450.050.14余量 | 0.450.050.14余量 | 0.450.050.14余量 | 0.450.050.14余量 | 0.350.150.11余量 | 0.450.05余量 | 0.450.05余量 | 0.450.05余量 |
pH | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.1 | 6.1 | 6.1 |
0分钟后的泡量(ml)1分钟后的泡量(ml)5分钟后的泡量(ml) | 150120105 | 12510090 | 13010080 | 14011095 | 1209080 | 1006560 | 13010090 | 14011090 | 140120105 |
消泡性 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ○ |
续表1
比较例 | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
N-可可酰基谷氨酸单TEA盐N-可可酰基谷氨酸二钠盐POE烷基醚硫酸钠盐月桂酸钠盐POE(12)单异硬脂酸酯POE(10)异硬脂酰基醚POE(10)辛基十二烷基醚POE(10)单硬脂酸酯POE(10)硬脂酰基醚POE(15)月桂基醚三乙醇胺水 | 0.5余量 | 0.50.16余量 | 0.450.050.14余量 | 0.450.05余量 | 0.450.05余量 | 0.450.05余量 | 0.450.05余量 | 0.5余量 | 0.450.05余量 |
pH | 6.0 | 6.7 | 6.8 | 4.5 | 5.0 | 5.7 | 5.7 | 5.8 | 9.59 |
0分钟后的泡量(ml)1分钟后的泡量(ml)5分钟后的泡量(ml) | 210195160 | 170150130 | 160145115 | 200180150 | 200190140 | 210190160 | 210180140 | 230215170 | 275270240 |
消泡性 | × | △ | △ | × | × | × | × | × | × |
试验例2:溶液状稳定性的测定
就以下表2所示组成的切削油剂组合物各总量100g,在25℃和5℃下测定溶液状稳定性。再者,按照以下判定基准评价溶液状稳定性。
据此,本发明的产品具有优良的溶液状稳定性,此外,被切削的微细金属粉屑也容易分散于切削油剂中而不残留于被切削物上,具有使用后简单地用水冲洗的良好洗涤性。
溶液状稳定性判别基准是:
○:在25℃、5℃下都稳定1个星期
△:在25℃下稳定一星期,5℃×1星期有分离或沉降
×:25℃×1星期有分离或沉降
表2
实施例 | |||||||
10 | 11 | 12 | 13 | 14 | 15 | 16 | |
N-可可酰基谷氨酸单TEA盐N-可可酰基谷氨酸二钠盐月桂酸钠盐POE(12)单异硬脂酸酯POE(10)异硬脂酰基醚POE(10)辛基十二烷基醚POE(10)单硬脂酸酯POE(10)硬脂酰基醚三乙醇胺水 | 1825.6余量 | 1825.6余量 | 1825.6余量 | 1825.6余量 | 1825.6余量 | 10103.1余量 | 182余量 |
pH | 7.0 | 7.0 | 7.1 | 6.9 | 7.1 | 7.1 | 6.7 |
溶液状稳定性 | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
续表2
实施例 | 比较例 | ||||
17 | 18 | 10 | 11 | 12 | |
N-可可酰基谷氨酸单TEA盐N-可可酰基谷氨酸二钠盐月桂酸钠盐POE(12)单异硬脂酸酯POE(10)异硬脂酰基醚POE(10)辛基十二烷基醚POE(10)单硬脂酸酯POE(10)硬脂酰基醚三乙醇胺水 | 182余量 | 182余量 | 182余量 | 20余量 | 20余量 |
pH | 6.7 | 6.8 | 10.0 | 2.6 | 4.0 |
溶液状稳定性 | ○ | ○ | △ | × | × |
试验例3:润滑性的评价
就如下表3所示组成的切削油剂组合物各总量100g,按照日本规格协会(JIS)规定的四球式润滑油试验法(3/4英寸钢球,Cr钢JIS、SUJ-2),在3.0wt%浓度下测定耐载荷能,按以下判定基准评价润滑性。
润滑性判定基准
○:大于耐载荷能4.5kg/cm2
△:大于耐载荷能3.5kg/cm2
×:耐载荷能3.0kg/cm2以下
表3
实施例 | 比较例 | |||
19 | 13 | 14 | 15 | |
N-可可酰基谷氨酸单TEA盐POE烷基醚硫酸钠盐月桂酸钠盐POE烷基醚乙酸钠盐POE(10)辛基十二烷基醚三乙醇胺水 | 2.70.30.84余量 | 2.70.3余量 | 2.70.3余量 | 2.70.3余量 |
润滑性 | ○ | × | ○ | △ |
试验例4:防锈性的评价
就以下表4所示组成的切削油剂组合物各总量100g,按照日本规格协会(JIS)规定的防锈性能试验方法,使用0.1wt%浓度、JIS.K.2510试验片,按以下判定基准评价防锈性:
防锈性判定基准:
○:60℃下搅拌1小时时试验片皆不生锈
△:60℃下搅拌1小时时试验片表面的0%~5%被锈所覆盖
×:60℃下搅拌1小时时,试验片表面的5%以上被锈所覆盖
表4
实施例 | 比较例 | ||||
20 | 21 | 16 | 17 | 18 | |
N-可可酰基谷氨酸单TEA盐N-可可酰基谷氨酸二钠盐POE烷基醚硫酸钠盐月桂酸钠盐POE烷基醚乙酸钠盐POE(10)辛基十二烷基醚三乙醇胺水 | 0.090.010.028余量 | 0.090.01余量 | 0.090.01余量 | 0.090.01余量 | 0.090.01余量 |
pH | 6.86 | 6.34 | 7.12 | 7.88 | 7.02 |
防锈性 | ○ | ○ | × | ○ | ○ |
从以上试验例1到4可知,具有消泡性、溶液状稳定性、润滑性、防锈性各性能均优的是本发明的产品。
工业实用性
按照本发明可提供:从低温到常温的溶液状稳定性、溶解性、被切削金属粉的分散性,使用后冲洗时的洗涤性、润滑性、切削性、防锈性、安全性、低起泡性均优的、残留于被切削物表面少的切削油剂组合物。
Claims (8)
1.切削油剂组合物,其特征在于,该组合物含有如下成分(A)和成分(B),
(A):具有长链酰基的N-酰基氨基酸和/或其盐;
(B):酰基烯化氧和/或烷基烯化氧,
其中,成分(A)和成分(B)的重量比为99/1~50/50。
2.根据权利要求1或2中所记载的切削油剂组合物,其特征在于:成分(A)的氨基酸是酸性氨基酸。
3.根据权利要求1或2中所记载的切削油剂组合物,其特征在于:成分(B)是支链烷基烯化氧和/或支链酰基烯化氧。
4.根据权利要求1到3任一项所记载的切削油剂组合物,其特征在于:成分(B)是支链烷基烯化氧。
5.根据权利要求1到4中任一项所记载的切削油剂组合物,其特征在于:成分(A)的酰基的碳原子数为8~18个。
6.根据权利要求1到5中任一项所记载的切削油剂组合物,其特征在于:成分(B)的酰基或烷基的碳原子数为14~24个。
7.根据权利要求1到6中任一项所记载的切削油剂组合物,其特征在于:成分(A)的重量占该切削油剂组合物中的表面活性剂总重量的50%以上。
8.根据权利要求1到7中任一项所记载的切削油剂组合物,其特征在于:pH为6-7.1。
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CN104099401B (zh) * | 2014-07-15 | 2016-08-31 | 上海润江生物科技有限公司 | 磷脂酶a2水解反应试剂 |
CN116064191A (zh) * | 2021-10-31 | 2023-05-05 | 中国石油化工股份有限公司 | 一种环保型全合成切削液及其制备方法 |
CN116064192A (zh) * | 2021-10-31 | 2023-05-05 | 中国石油化工股份有限公司 | 一种环保型水基防锈剂及其制备方法 |
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US3046225A (en) * | 1958-10-08 | 1962-07-24 | Exxon Research Engineering Co | Solution metal cutting and grinding fluids |
NL6504131A (zh) * | 1964-04-04 | 1965-10-05 | ||
DE1907583A1 (de) * | 1968-02-19 | 1969-09-18 | Armour Ind Chem Co | Amin-Zwitterionen als Schmiermittel auf Wasserbasis |
JPS51125677A (en) * | 1974-08-07 | 1976-11-02 | Ajinomoto Co Inc | Method of solidifying organic modium |
JPS596693B2 (ja) * | 1974-10-19 | 1984-02-14 | スガタ キサク | 流体の処理方法 |
JPS6050398B2 (ja) * | 1980-03-22 | 1985-11-08 | 本田技研工業株式会社 | 水溶性油剤 |
WO1983003256A1 (en) * | 1982-03-11 | 1983-09-29 | Mosier, Benjamin | Hydraulic fluid compositions |
US4548726A (en) * | 1984-11-16 | 1985-10-22 | Texaco Inc. | Water base hydraulic fluid |
US4543199A (en) * | 1984-11-16 | 1985-09-24 | Texaco Inc. | Water base hydraulic fluid |
JPS6270493A (ja) * | 1985-09-24 | 1987-03-31 | Yushiro Do Brazil Ind Chem Ltd | 水溶性切削研削油剤 |
FR2588267B1 (fr) * | 1985-10-03 | 1988-02-05 | Elf France | Additifs aux huiles lubrifiantes comportant un sel metallique d'un acide amine, leur procede de preparation et compositions lubrifiantes renfermant lesdits additifs |
JPH0788516B2 (ja) * | 1987-09-01 | 1995-09-27 | サンスター株式会社 | 洗浄剤組成物 |
JP3301038B2 (ja) * | 1990-11-06 | 2002-07-15 | モービル・オイル・コーポレイション | 生物抵抗性界面活性剤および切削油配合物 |
US5227083A (en) * | 1992-02-27 | 1993-07-13 | Texaco Inc. | Polypropylene oxide dialkylsarcosinates for use as rust and haze inhibiting lubricating oil additive |
JPH05279695A (ja) * | 1992-04-03 | 1993-10-26 | Kao Corp | 硬質表面用洗浄剤組成物 |
US5543073A (en) * | 1993-04-14 | 1996-08-06 | Colgate-Palmolive Company | Microemulsion cleaning composition |
JPH0818100A (ja) * | 1994-06-24 | 1996-01-19 | Showa Denko Kk | 化合物半導体発光ダイオード |
JPH0959696A (ja) * | 1995-08-24 | 1997-03-04 | Shin Etsu Handotai Co Ltd | 切削液及びワークの切断方法 |
JPH09316488A (ja) * | 1996-03-28 | 1997-12-09 | Lion Corp | 濃厚液体洗浄剤組成物 |
JP3912829B2 (ja) * | 1996-12-28 | 2007-05-09 | 株式会社ネオス | 水溶性加工油剤 |
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1998
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- 1999-11-15 EP EP99972669A patent/EP1149889B1/en not_active Expired - Lifetime
- 1999-11-15 CN CNB998123943A patent/CN1188500C/zh not_active Expired - Fee Related
- 1999-11-15 US US09/850,740 patent/US6605575B1/en not_active Expired - Lifetime
- 1999-11-15 DE DE69928020T patent/DE69928020T2/de not_active Expired - Fee Related
- 1999-11-15 KR KR1020017004902A patent/KR100684485B1/ko not_active IP Right Cessation
- 1999-11-15 WO PCT/JP1999/006368 patent/WO2000031217A1/ja active IP Right Grant
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DE69928020D1 (de) | 2005-12-01 |
EP1149889A1 (en) | 2001-10-31 |
US6605575B1 (en) | 2003-08-12 |
WO2000031217A1 (fr) | 2000-06-02 |
KR20010099704A (ko) | 2001-11-09 |
CN1324393A (zh) | 2001-11-28 |
KR100684485B1 (ko) | 2007-02-22 |
EP1149889A4 (en) | 2002-06-26 |
DE69928020T2 (de) | 2006-07-27 |
JP2000154392A (ja) | 2000-06-06 |
EP1149889B1 (en) | 2005-10-26 |
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