KR100541146B1 - 올레핀의 중합방법, 그 중합방법에 필요한 메탈로센 촉매및 메탈로센 전촉매 활성화용 공촉매 - Google Patents
올레핀의 중합방법, 그 중합방법에 필요한 메탈로센 촉매및 메탈로센 전촉매 활성화용 공촉매 Download PDFInfo
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- KR100541146B1 KR100541146B1 KR1020017004554A KR20017004554A KR100541146B1 KR 100541146 B1 KR100541146 B1 KR 100541146B1 KR 1020017004554 A KR1020017004554 A KR 1020017004554A KR 20017004554 A KR20017004554 A KR 20017004554A KR 100541146 B1 KR100541146 B1 KR 100541146B1
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- 229910052623 talc Inorganic materials 0.000 claims description 3
- SQBBHCOIQXKPHL-UHFFFAOYSA-N tributylalumane Chemical compound CCCC[Al](CCCC)CCCC SQBBHCOIQXKPHL-UHFFFAOYSA-N 0.000 claims description 3
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 claims description 3
- ORYGRKHDLWYTKX-UHFFFAOYSA-N trihexylalumane Chemical compound CCCCCC[Al](CCCCCC)CCCCCC ORYGRKHDLWYTKX-UHFFFAOYSA-N 0.000 claims description 3
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- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
Description
실시예 1~27
비교실시예 및 실시예의 검토
전촉매 | 치환된 Cp | 가교결합 | 대칭 | 헤테로원자 |
Cp2ZrCl2 | × | × | ○ | × |
Ind2ZrMe2 | ○ | × | ○ | × |
Me2Si(Cp)2ZrCl2 | × | ○ | ○ | × |
rac-Et(Ind)2ZrCl2 | ○ | ○ | ○ | × |
Ph2C(Cp-9-Flu)ZrCl2 | ○ | ○ | × | × |
Ph2Si(Cp-9-Flu)ZrCl2 | ○ | ○ | × | × |
Me2Si(C5Me4)(ButN)TiCl2 | ○ | ○ | × | ○ |
방법 Ⅰ : 모든 메탈로센 전촉매, 알루민옥시 화합물, 및 붕소화합물이 불활성 대기하에서 적절한 용기에 계량되고, 톨루엔과 같은 불활성 용매로 소정의 농도로 희석되어 사용하기전 최소 1시간 동안 실온에서 반응하도록 방치하였다.
Claims (79)
- 엘라스토머의 제조를 위한, 하나 이상의 α-올레핀 및 선택적으로 하나 이상의 디엔 단량체의 중합반응 또는 공중합반응의 방법에 있어서, 상기 방법이 촉매적으로 유효량의 촉매존재하에 하나 이상의 α-올레핀을 중합시키는 단계를 포함하며, 상기 촉매는 전이금속을 함유하는 메탈로센 전촉매와 공촉매의 결합에 의하여 제조된 생성물을 포함하며, 상기 공촉매는 하나 이상의 하기 일반식의 화합물R-Al-O(여기서 R은 1 ~ 30 탄소원자의 히드로카드빌 그룹)을 함유하는 하나 이상의 유기금속 또는 유기준금속 제1성분 및 하나 이상의 전자끄는 치환체를 갖는, 하나 이상의 아릴그룹을 갖는, 중성 또는 이온성 금속 - 및/또는 준금속 - 함유 제2성분을 포함하는데, 단, 전이금속에 대한 제1성분의 몰비는 1 ~ 10,000이며, 전이금속에 대한 제2성분의 몰비는 0.01 ~ 14인 방법.
- 제 1항에 있어서, 메탈로센 전촉매가 지르코노센 디클로라이드, 디메틸비스(인데닐) 지르코늄, 라세믹-에틸렌비스(인데닐) 지르코늄 디클로라이드, 디메틸실릴 비스(시클로펜타디에닐) 지르코늄 디클로라이드, 디메틸실릴(테트라메틸시클로펜타디에닐) (tert-부틸아미도) 티타늄 디클로라이드, 디페닐메틸렌(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드, 디페닐실릴(시클로펜타디에닐-9-플루오레 닐) 지르코늄 디클로라이드로 구성되어 있는 군으로부터 선택되는 방법.
- 제 1항에 있어서, 공촉매중의 제1성분이 알킬알루미늄알콕시드, 실록산, 이량체 알루민옥산 및 올리고머 알루민옥산으로 구성되어 있는 군으로부터 선택되는 방법.
- 제 3항에 있어서, 알킬알루미늄 알콕시드가 디이소부틸알루미늄-tert-부톡시드인 방법.
- 제 3항에 있어서, 실록산이 디에틸알루미늄 트리메틸실록산인 방법.
- 제 3항에 있어서, 이량체 알루민옥산이 테트라이소부틸알루민옥산인 방법.
- 제 3항에 있어서, 올리고머 알루민옥산이 메틸알루민옥산인 방법.
- 제 1항에 있어서, 공촉매중의 제2성분이 퍼플루오로아릴보란 화합물 및 그들 염으로 구성되어있는 군으로부터 선택되는 방법.
- 제 8항에 있어서, 퍼플루오로아릴보란 화합물이 트리스(펜타플루오로페닐) 보란인 방법.
- 제 8항에 있어서, 퍼플루오로아릴보란 화합물의 염이 디메틸아닐리늄 테트라키스(펜타플루오로-페닐) 보레이트, 트리틸 테트라키스(펜타플루오로-페닐) 보레이트 및 리튬 테트라키스(펜타플루오로-페닐) 보레이트로 구성되어 있는 군으로부터 선택되는 방법.
- 제 1항에 있어서, 공촉매의 제1성분이 디이소부틸알루미늄-tert-부톡시드, 테트라이소-부틸알루민옥산 및 메틸알루민옥산으로 구성되어있는 군으로부터 선택되며, 제2성분이 디메틸아닐리늄 테트라키스(펜타플루오로페닐) 보레이트, 트리틸 테트라키스(펜타플루오로페닐) 보레이트 및 리튬 테트라키스(펜타플루오로페닐) 보레이트로 구성되어 있는 군으로 부터 선택되는 방법.
- 제 1항에 있어서, 전이금속에 대한 공촉매의 제1성분의 몰비가 10 ~ 1,000인 방법.
- 제 1항에 있어서, 전이금속에 대한 공촉매의 제2성분의 몰비가 0.2 ~ 10인 방법.
- 제 1항에 있어서, 메탈로센 전촉매가 공촉매 성분과 임의의 조합으로 또는 임의의 순서로 결합되는 방법.
- 제 11항에 있어서, 메탈로센 전촉매가 공촉매 성분과 임의의 조합으로 또는 임의의 순서로 결합되는 방법.
- 제 1항에 있어서, 메탈로센 전촉매가 공촉매의 제1성분의 일부와 우선 결합한 후, 제2성분과 나머지 제1성분의 반응물을 포함하는 생성물과 결합하는 방법.
- 제 1항에 있어서, 공촉매가 제3성분을 또한 포함하는 방법.
- 제 17항에 있어서, 제3성분이 트리알킬알루미늄인 방법.
- 제 18항에 있어서, 트리알킬알루미늄이 트리메틸알루미늄, 트리에틸알루미늄, 트리(n-프로필)알루미늄, 트리이소프로필알루미늄, 트리(n-부틸)알루미늄, 트리이소부틸알루미늄, 트리(n-헥실)알루미늄 및 트리(n-옥틸)알루미늄으로 구성되어있는 군으로부터 선택되는 방법.
- 제 18항에 있어서, 전이금속에 대한 제3성분의 몰비가 0 ~ 1,000인 방법.
- 제 1항에 있어서, 촉매가 지지물을 또한 포함하는 방법.
- 제 21항에 있어서, 지지물이 무기 고형 다공성 지지물인 방법.
- 제 22항에 있어서, 무기 고형 다공성 지지물이 활석, 실리카, 알루미나, 실리카-알루미나 및 그들 혼합물로 구성되어 있는 군으로부터 선택되는 방법.
- 제 1항에 있어서, α-올레핀이 2 ~ 20 탄소원자를 함유하며 디엔이 존재할 경우, 디엔이 공액 또는 비공액, 비고리 또는 고리 디엔인 방법.
- 제 1항에 있어서, α-올레핀이 에틸렌 및 프로필렌으로 구성되어 있는 군으로부터 선택되는 방법.
- 제 1항에 있어서, 중합반응이 용액 중합반응 조건에서 수행되는 방법.
- 제 1항에 있어서, 중합반응이 슬러리 중합반응 조건에서 수행되는 방법.
- 제 1항에 있어서, 엘라스토머의 Mw가 70,000 ~ 2,000,000, 125℃의 ML1+4가 10 ~ 200, Mw / Mn이 1.5 ~ 10 및 Tg가 -40℃ 이하인 방법.
- 제 1항에 있어서, 엘라스토머의 Mw가 250,000 ~ 1,750,000, 125℃의 ML1+4가 15 ~ 150, Mw / Mn이 2.0 ~ 7.5 및 Tg가 -40℃인 방법.
- 전이금속을 함유하는 메탈로센 전촉매와 공촉매의 결합에 의하여 제조된 생성물을 포함하는 촉매로서, 상기 공촉매는 하나 이상의 하기 일반식의 화합물R-Al-O(여기서 R은 1 ~ 30 탄소원자의 히드로카드빌 그룹)을 함유하는 하나 이상의 유기금속 또는 유기준금속 제1성분 및 하나 이상의 전자끄는 치환체를 갖는, 하나 이상의 아릴그룹을 갖는, 중성 또는 이온성 금속 - 및/또는 준금속 - 함유 제2성분을 포함하는데, 단, 전이금속에 대한 제1성분의 몰비는 1 ~ 10,000이며, 전이금속에 대한 제2성분의 몰비는 0.01 ~ 14인 촉매.
- 제 30항에 있어서, 지르코노센 디클로라이드, 디메틸비스(인데닐) 지르코늄, 라세믹-에틸렌비스(인데닐) 지르코늄 디클로라이드, 디메틸실릴 비스(시클로펜타디에닐) 지르코늄 디클로라이드, 디메틸실릴(테트라메틸시클로펜타디에닐) (tert-부틸아미도) 티타늄 디클로라이드, 디페닐메틸렌(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드, 디페닐실릴(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드로 구성되어 있는 군으로부터 선택되는 촉매.
- 제 30항에 있어서, 공촉매중의 제1성분이 알킬알루미늄알콕시드, 실록산, 이량체 알루민옥산 및 올리고머 알루민옥산으로 구성되어 있는 군으로부터 선택되는 촉매.
- 제 32항에 있어서, 알킬알루미늄 알콕시드가 디이소부틸알루미늄-tert-부톡시드인 촉매.
- 제 32항에 있어서, 실록산이 디에틸알루미늄 트리메틸실록산인 촉매.
- 제 32항에 있어서, 이량체 알루민옥산이 테트라이소부틸알루민옥산인 촉매.
- 제 32항에 있어서, 올리고머 알루민옥산이 메틸알루민옥산인 촉매.
- 제 30항에 있어서, 공촉매중의 제2성분이 퍼플루오로아릴보란 화합물 및 그들 염으로 구성되어있는 군으로부터 선택되는 촉매.
- 제 37항에 있어서, 퍼플루오로아릴보란 화합물이 트리스(펜타플루오로페닐) 보란인 촉매.
- 제 37항에 있어서, 퍼플루오로아릴보란 화합물의 염이 디메틸아닐리늄 테트라키스(펜타플루오로-페닐) 보레이트, 트리틸 테트라키스(펜타플루오로-페닐) 보레이트 및 리튬 테트라키스(펜타플루오로-페닐) 보레이트로 구성되어 있는 군으로부터 선택되는 촉매.
- 제 30항에 있어서, 공촉매의 제1성분이 디이소부틸알루미늄-tert-부톡시드, 테트라이소-부틸알루민옥산 및 메틸알루민옥산으로 구성되어있는 군으로부터 선택되며, 제2성분이 디메틸아닐리늄 테트라키스(펜타플루오로페닐) 보레이트, 트리틸 테트라키스(펜타플루오로페닐) 보레이트 및 리튬 테트라키스(펜타플루오로페닐) 보레이트로 구성되어 있는 군으로 부터 선택되는 촉매.
- 제 30항에 있어서, 메탈로센 전촉매가 공촉매 성분과 임의의 조합으로 또는 임의의 순서로 결합되는 촉매.
- 제 30항에 있어서, 메탈로센 전촉매가 공촉매의 제1성분의 일부와 우선 결합한 후, 제2성분과 나머지 제1성분의 반응물을 포함하는 생성물과 결합하는 촉매.
- 제 30항에 있어서, 공촉매가 제3성분을 또한 포함하는 촉매.
- 제 43항에 있어서, 제3성분이 트리알킬알루미늄인 촉매.
- 제 44항에 있어서, 트리알킬알루미늄이 트리메틸알루미늄, 트리에틸알루미늄, 트리(n-프로필)알루미늄, 트리이소프로필알루미늄, 트리(n-부틸)알루미늄, 트리이소부틸알루미늄, 트리(n-헥실)알루미늄 및 트리(n-옥틸)알루미늄으로 구성되어있는 군으로부터 선택되는 촉매.
- 제 30항에 있어서, 지지물을 또한 포함하는 촉매.
- 제 46항에 있어서, 지지물이 무기 고형 다공성 지지물인 촉매.
- 제 47항에 있어서, 무기 고형 다공성 지지물이 활석, 실리카, 알루미나, 실리카-알루미나 및 그들 혼합물로 구성되어 있는 군으로부터 선택되는 촉매.
- 하나 이상의 하기 일반식의 화합물R-Al-O(여기서 R은 1 ~ 30 탄소원자의 히드로카드빌 그룹)을 함유하는 하나 이상의 유기 금속 또는 유기준금속 제1성분 및 하나 이상의 전자끄는 치환체를 갖는 하나 이상의 아릴그룹을 갖는, 중성 또는 이온성 금속 및/또는 준금속 함유 제2성분을 포함하는; 전이금속을 함유하는 메탈로센 전촉매 활성화용 공촉매.
- 제 49항에 있어서, 제1성분이 알킬알루미늄알콕시드, 실록산, 이량체 알루민옥산 및 올리고머 알루민옥산으로 구성되어 있는 군으로부터 선택되는 공촉매.
- 제 50항에 있어서, 알킬알루미늄 알콕시드가 디이소부틸알루미늄-tert-부톡시드인 공촉매.
- 제 50항에 있어서, 실록산이 디에틸알루미늄 트리에틸실록산인 공촉매.
- 제 50항에 있어서, 이량체 알루민옥산이 테트라이소부틸알루민옥산인 공촉매.
- 제 50항에 있어서, 올리고머 알루민옥산이 메틸알루민옥산인 공촉매.
- 제 49항에 있어서, 제2성분이 퍼플루오로아릴보란 화합물 및 그들 염으로 구성되어있는 군으로부터 선택되는 공촉매.
- 제 55항에 있어서, 퍼플루오로아릴보란 화합물이 트리스(펜타플루오로페닐) 보란인 공촉매.
- 제 55항에 있어서, 퍼플루오로아릴보란 화합물의 염이 디메틸아닐리늄 테트라키스(펜타플루오로-페닐) 보레이트, 트리틸 테트라키스(펜타플루오로-페닐) 보레이트 및 리튬 테트라키스(펜타플루오로-페닐) 보레이트로 구성되어 있는 군으로부터 선택되는 공촉매.
- 제 49항에 있어서, 공촉매의 제1성분이 디이소부틸알루미늄-tert-부톡시드, 테트라이소-부틸알루민옥산 및 메틸알루민옥산으로 구성되어있는 군으로부터 선택되며, 제2성분이 디메틸아닐리늄 테트라키스(펜타플루오로페닐) 보레이트, 트리틸 테트라키스(펜타플루오로페닐) 보레이트 및 리튬 테트라키스(펜타플루오로페닐) 보레이트로 구성되어 있는 군으로 부터 선택되는 공촉매.
- 제 49항에 있어서, 공촉매가 제3성분을 또한 포함하는 공촉매.
- 제 59항에 있어서, 제3성분이 트리알킬알루미늄인 공촉매.
- 공촉매로 전이금속을 함유하는 메탈로센 전촉매의 활성화 방법으로서, 상기 공촉매가 하나 이상의 하기 일반식의 화합물R-Al-O(여기서 R은 1 ~ 30 탄소원자의 히드로카드빌 그룹)을 함유하는 하나 이상의 유기금속 또는 유기준금속 제1성분 및 하나 이상의 전자끄는 치환체를 갖는 하나 이상의 아릴그룹을 갖는, 중성 또는 이온성 금속 및/또는 준금속 함유 제2성분을 포함하는데, 전이금속에 대한 제1성분의 몰비는 1 ~ 10,000이며, 전이금속에 대한 제2성분의 몰비는 0.01 ~ 14이며, 상기 방법이 메탈로센 전촉매와 공촉매의 성분을 임의의 조합으로 또는 임의의 순서로 결합시키는 단계를 포함하는 방법.
- 제 61항에 있어서, 메탈로센 전촉매가 지르코노센 디클로라이드, 디메틸비스(인데닐) 지르코늄, 라세믹-에틸렌비스(인데닐) 지르코늄 디클로라이드, 디메틸실릴 비스(시클로펜타디에닐) 지르코늄 디클로라이드, 디메틸실릴(테트라메틸시클로펜타디에닐) (tert-부틸아미도) 티타늄 디클로라이드, 디페닐메틸렌(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드, 디페닐실릴(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드로 구성되어 있는 군으로부터 선택되는 방법.
- 제 61항에 있어서, 공촉매중의 제1성분이 알킬알루미늄알콕시드, 실록산, 이량체 알루민옥산 및 올리고머 알루민옥산으로 구성되어 있는 군으로부터 선택되는 방법.
- 제 63항에 있어서, 알킬알루미늄 알콕시드가 디이소부틸알루미늄-tert-부톡시드인 방법.
- 제 63항에 있어서, 실록산이 디에틸알루미늄 트리메틸실록산인 방법.
- 제 63항에 있어서, 이량체 알루민옥산이 테트라이소부틸알루민옥산인 방법.
- 제 63항에 있어서, 올리고머 알루민옥산이 메틸알루민옥산인 방법.
- 제 61항에 있어서, 공촉매중의 제2성분이 퍼플루오로아릴보란 화합물 및 그들 염으로 구성되어있는 군으로부터 선택되는 방법.
- 제 68항에 있어서, 퍼플루오로아릴보란 화합물이 트리스(펜타플루오로페닐) 보란인 방법.
- 제 68항에 있어서, 퍼플루오로아릴보란 화합물의 염이 디메틸아닐리늄 테트라키스(펜타플루오로-페닐) 보레이트, 트리틸 테트라키스(펜타플루오로-페닐) 보레이트 및 리튬 테트라키스(펜타플루오로-페닐) 보레이트로 구성되어 있는 군으로부터 선택되는 방법.
- 제 61항에 있어서, 공촉매의 제1성분이 디이소부틸알루미늄-tert-부톡시드, 테트라이소-부틸알루민옥산 및 메틸알루민옥산으로 구성되어있는 군으로부터 선택되며, 제2성분이 디메틸아닐리늄 테트라키스(펜타플루오로페닐) 보레이트, 트리틸 테트라키스(펜타플루오로페닐) 보레이트 및 리튬 테트라키스(펜타플루오로페닐) 보레이트로 구성되어 있는 군으로 부터 선택되는 방법.
- 제 61항에 있어서, 메탈로센 전촉매가 공촉매의 제1성분의 일부와 우선 결합한 후, 올레핀 부재하에 제2성분과 나머지 제1성분의 반응물을 포함하는 생성물과 결합하는 방법.
- 촉매적으로 유효량의 촉매존재하에 하나 이상의 α-올레핀을 중합시키는 단계를 포함하며, 상기 촉매는 전이금속을 함유하는 메탈로센 전촉매와 공촉매의 결합에 의하여 제조된 생성물을 포함하며, 상기 공촉매는 하나 이상의 하기 일반식의 화합물R-Al-O(여기서 R은 1~30 탄소원자의 히드로카드빌 그룹)을 함유하는 하나 이상의 유기금속 또는 유기준금속 제1성분 및 하나 이상의 전자끄는 치환체를 갖는, 하나 이상의 아릴그룹을 갖는, 중성 또는 이온성 금속 - 및/또는 준금속 - 함유 제2성분을 포함하는데, 단, 전이금속에 대한 제1성분의 몰비는 1~ 10,000이며, 전이금속에 대한 제2성분의 몰비는 0.01~ 14인; 엘라스토머의 제조를 위한 하나 이상의 α-올레핀 및 선택적으로, 하나 이상의 디엔 단량체의 중합반응의 개량된 개시방법.
- 제 73항에 있어서, 메탈로센 전촉매가 지르코노센 디클로라이드, 디메틸비스(인데닐) 지르코늄, 라세믹-에틸렌비스(인데닐) 지르코늄 디클로라이드, 디메틸실릴 비스(시클로펜타디에닐) 지르코늄 디클로라이드, 디메틸실릴(테트라메틸시클로펜타디에닐) (tert-부틸아미도) 티타늄 디클로라이드, 디페닐메틸렌(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드, 디페닐실릴(시클로펜타디에닐-9-플루오레닐) 지르코늄 디클로라이드로 구성되어 있는 군으로부터 선택되는 방법.
- 제 73항에 있어서, 공촉매중의 제1성분이 알킬알루미늄 알콕시드, 실록산, 이량체 알루민옥산 및 올리고머 알루민옥산으로 구성되어 있는 군으로부터 선택되는 방법.
- 제 73항에 있어서, 공촉매중의 제2성분이 퍼플루오로아릴보란 화합물 및 그들 염으로 구성되어있는 군으로부터 선택되는 방법.
- 제 73항에 있어서, 공촉매의 제1성분이 디이소부틸알루미늄-tert-부톡시드, 테트라이소-부틸알루민옥산 및 메틸알루민옥산으로 구성되어있는 군으로부터 선택되며, 제2성분이 디메틸아닐리늄 테트라키스(펜타플루오로페닐) 보레이트, 트리틸 테트라키스(펜타플루오로페닐) 보레이트 및 리튬 테트라키스(펜타플루오로페닐) 보레이트로 구성되어 있는 군으로 부터 선택되는 방법.
- 제 73항에 있어서, 메탈로센 전촉매가 올레핀 부재하에 공촉매 성분과 임의의 조합으로 또는 임의의 순서로 결합되는 방법.
- 제 73항에 있어서, 메탈로센 전촉매가 올레핀 존재하에 공촉매 성분과 임의의 조합으로 또는 임의의 순서로 결합되는 방법.
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US09/173,396 US6225427B1 (en) | 1998-10-15 | 1998-10-15 | Olefin polymerization process employing metallocene catalyst provided by cocatalyst activation of a metallocene procatalyst |
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BR (1) | BR9914539A (ko) |
CA (1) | CA2346284A1 (ko) |
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-
1998
- 1998-10-15 US US09/173,396 patent/US6225427B1/en not_active Expired - Lifetime
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1999
- 1999-09-15 DE DE69922241T patent/DE69922241T2/de not_active Expired - Lifetime
- 1999-09-15 KR KR1020017004554A patent/KR100541146B1/ko not_active Expired - Fee Related
- 1999-09-15 CA CA002346284A patent/CA2346284A1/en not_active Abandoned
- 1999-09-15 CN CNB99812074XA patent/CN1140539C/zh not_active Expired - Fee Related
- 1999-09-15 JP JP2000575907A patent/JP4132672B2/ja not_active Expired - Fee Related
- 1999-09-15 AT AT99970402T patent/ATE283292T1/de not_active IP Right Cessation
- 1999-09-15 WO PCT/US1999/021278 patent/WO2000022005A1/en active IP Right Grant
- 1999-09-15 EP EP99970402A patent/EP1131360B1/en not_active Expired - Lifetime
- 1999-09-15 BR BR9914539-1A patent/BR9914539A/pt not_active Application Discontinuation
- 1999-09-23 TW TW088116347A patent/TWI243183B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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KR20010075622A (ko) | 2001-08-09 |
JP4132672B2 (ja) | 2008-08-13 |
BR9914539A (pt) | 2001-10-23 |
CA2346284A1 (en) | 2000-04-20 |
DE69922241D1 (de) | 2004-12-30 |
US6225427B1 (en) | 2001-05-01 |
CN1140539C (zh) | 2004-03-03 |
CN1323321A (zh) | 2001-11-21 |
TWI243183B (en) | 2005-11-11 |
DE69922241T2 (de) | 2005-11-10 |
ATE283292T1 (de) | 2004-12-15 |
JP2002527542A (ja) | 2002-08-27 |
WO2000022005A1 (en) | 2000-04-20 |
EP1131360A1 (en) | 2001-09-12 |
EP1131360B1 (en) | 2004-11-24 |
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