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Patent Searching and Data


Title:
PROCESS OIL FOR RUBBER
Document Type and Number:
WIPO Patent Application WO/2008/013096
Kind Code:
A1
Abstract:
A process oil for rubber, which consists of an extract (A1) obtained by subjecting a deasphalted oil prepared by deasphalting a vacuum residue that is prepared from paraffin-base crude oil and that has a 1 vol % distillation temperature of 380°C or above to the first solvent extraction to obtain a raffinate and an extract and subjecting the raffinate to the second solvent extraction and/or a raffinate (A2) obtained by subjecting the extract obtained by the first solvent extraction to the second solvent extraction and which has specific properties. The process oil can give characteristics equivalent to those of conventional aroma oils to rubbers and is free from the problem of carcinogenesis and therefore excellent in safety, while it can be manufactured without any change in the process of manufacturing lube base oil as by-product.

Inventors:
TANAKA, Meishi (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 2990107, JP)
田中 明示 (〒07 千葉県市原市姉崎海岸24番地4 Chiba, 2990107, JP)
NAKAMURA, Masashi (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 2990107, JP)
Application Number:
JP2007/064250
Publication Date:
January 31, 2008
Filing Date:
July 19, 2007
Export Citation:
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Assignee:
IDEMITSU KOSAN CO., LTD. (1-1 Marunouchi 3-chome, Chiyoda-ku Tokyo, 21, 1008321, JP)
出光興産株式会社 (〒21 東京都千代田区丸の内三丁目1番1号 Tokyo, 1008321, JP)
TANAKA, Meishi (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 2990107, JP)
田中 明示 (〒07 千葉県市原市姉崎海岸24番地4 Chiba, 2990107, JP)
International Classes:
C08L21/00; C10G21/14; C10G21/20; C10G53/06
Domestic Patent References:
2003-04-17
Foreign References:
JP2007084675A2007-04-05
JPS5626982A1981-03-16
JP2000080208A2000-03-21
JPS5626981A1981-03-16
JPH1180434A1999-03-26
JPH1180751A1999-03-26
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Bridgestone Toranomon Bldg.6F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 1050001, JP)
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