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특허 상세정보

Process for producing a high-purity oxygenic compound and lubricating oil

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C10M-107/22    C08F-016/12   
미국특허분류(USC) 508/579; 252/068; 526/332; 568/621
출원번호 US-0070820 (2002-03-11)
우선권정보 JP-0257205 (1999-09-10)
국제출원번호 PCT/JP00/06153 (2000-09-08)
국제공개번호 WO01/19875 (2001-03-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 6  인용 특허 : 10
초록

A process for efficiently producing a high purity compound having oxygen which has a high volume specific resistance and a lubricating oil comprising the high purity compound having oxygen are provided. The process for producing a high purity compound having oxygen selected from a group consisting of high purity polyvinyl ether compounds, high purity polyalkylene glycol compounds, high purity polyol ester compounds, high purity cyclic polyether compounds and high purity carbonate compounds comprises a step of treating with an adsorbent at least one crude...

대표
청구항

1. A process for producing e high purity polyvinyl ether compounds having a constituting unit represented by general formula (I): wherein R 1represents a divalent hydrocarbon group having 1 to 10 carbon atoms which may be branched, R2represents a monovalent hydrocarbon group having 1 to 20 carbon atoms which may be branched, m represents numbers giving an average value in a range of 0 to 10, R1O's may represent the same group or different groups when more than one R1O are present, and R1, R2and m may be the same with or different from each other among co...

이 특허에 인용된 특허 (10)

  1. Carlsen Daniel B. ; Andrus Robert G. ; Hall ; II Robert T.. Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide. USP200010RE36914.
  2. Kulzick Matthew A. (Warrenville IL) Koning Paul A. (Aurora IL). Liquid phase and aqueous solutions of poly(vinyl methyl ether) from highly purified vinyl methyl ether monomer. USP1995025393856.
  3. Egawa Tatsuya (Sodegaura JPX) Kawaguchi Yasuhiro (Sodegaura JPX) Mogami Kenji (Sodegaura JPX) Shimizu Nobuaki (Sodegaura JPX). Lubricating oil containing a polyvinyl ether compound for compression-type refrigerators. USP1996055518643.
  4. Egawa Tatsuya (Sodegaura JPX) Kawaguchi Yasuhiro (Sodegaura JPX) Mogami Kenji (Sodegaura JPX) Shimizu Nobuaki (Sodegaura JPX). Lubricating oil for compression-type refrigerators. USP1995095449472.
  5. Egawa Tatsuya,JPX ; Kawaguchi Yasuhiro,JPX ; Terada Izumi,JPX ; Shimizu Nobuaki,JPX. Lubricating oil for compression-type refrigerators. USP1999065908818.
  6. Tanaka Masahide (Yamaguchi JPX) Fujimoto Tadaaki (Yamaguchi JPX) Takahata Kazunori (Yamaguchi JPX). Polycarbonate and use thereof. USP1995015384056.
  7. Tanaka Masahide (Yamaguchi JPX) Kiso Yoshihisa (Yamaguchi JPX) Takahata Kazunori (Yamaguchi JPX) Hayashi Tetsuo (Yamaguchi JPX) Shimamoto Kenji (Yamaguchi JPX) Mizui Kinya (Ichihara JPX) Fujimoto Tad. Polycarbonates, uses thereof, processes for preparing and purifying same. USP1994035294356.
  8. Aoshima Atsushi (Yokohama JPX) Yamamatsu Setsuo (Fuji JPX) Tonomura Shoichiro (Fuji JPX). Process for purification of polyether. USP1987064677231.
  9. Tazaki Toshinori,JPX. Refrigerator oil for carbon dioxide refrigerant, and method of using it for lubrication. USP2001106306803.
  10. Takashi Sunaga JP; Masato Watanabe JP. Refrigerator using a polyvinyl ether refrigerator oil. USP2002096454960.