IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0824671
(2001-04-04)
|
우선권정보 |
JP-0103502 (2000-04-05); JP-0352432 (2000-11-20) |
발명자
/ 주소 |
- Mashiko, Hiroaki
- Nishii, Hiroyuki
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
10 인용 특허 :
11 |
초록
▼
An air-permeable filter for an ink cartridge includes at least one porous material layer including at least one resin selected from the group including fluororesin and polyolefin resin, and at least one air-permeable substrate layer having a tensile strength of 1 MPa or more. In addition, an ink car
An air-permeable filter for an ink cartridge includes at least one porous material layer including at least one resin selected from the group including fluororesin and polyolefin resin, and at least one air-permeable substrate layer having a tensile strength of 1 MPa or more. In addition, an ink cartridge includes a space for receiving an ink and at least one air vent in which the air-permeable filter is provided.
대표청구항
▼
An air-permeable filter for an ink cartridge includes at least one porous material layer including at least one resin selected from the group including fluororesin and polyolefin resin, and at least one air-permeable substrate layer having a tensile strength of 1 MPa or more. In addition, an ink car
An air-permeable filter for an ink cartridge includes at least one porous material layer including at least one resin selected from the group including fluororesin and polyolefin resin, and at least one air-permeable substrate layer having a tensile strength of 1 MPa or more. In addition, an ink cartridge includes a space for receiving an ink and at least one air vent in which the air-permeable filter is provided. al., 428/330; US-5139573, 19920800, Yamamoto et al., 106/022; US-5141558, 19920800, Shirota et al., 106/022; US-5151128, 19920900, Fukushima et al., 106/020; US-5171626, 19921200, Nagamine et al., 428/212; US-5190581, 19930300, Fukushima et al., 106/020; US-5216437, 19930600, Yamamoto et al., 346/001.1; US-5220347, 19930600, Fukushima et al., 346/001.1; US-5221333, 19930600, Shirota et al., 106/020; US-5231417, 19930700, Shirota et al., 346/001.1; US-5246774, 19930900, Sakaki et al., 428/323; US-5248991, 19930900, Shirota et al., 346/001.1; US-5250121, 19931000, Yamamoto et al., 106/022; US-5254157, 19931000, Koike et al., 106/020; US-5257036, 19931000, Koike et al., 346/001.1; US-5258066, 19931100, Kobayashi et al., 106/022; US-5277962, 19940100, Nakatsugawa et al., 428/206; US-5296022, 19940300, Kobayashi et al., 106/020; US-5329305, 19940700, Fukushima et al., 347/095; US-5358558, 19941000, Yamamoto et al., 106/022; US-5362558, 19941100, Sakaki et al., 428/323; US-5380358, 19950100, Aoki et al., 106/020; US-5396275, 19950300, Koike et al., 347/101; US-5415686, 19950500, Kurabayashi et al., 106/026; US-5427611, 19950600, Shirota et al., 106/022; US-5439515, 19950800, Kurabayashi et al., 106/020; US-5468553, 19951100, Koike et al., 428/224; US-5494733, 19960200, Koike et al., 428/224; US-5500023, 19960300, Koike et al., 008/499; US-5515093, 19960500, Haruta et al., 347/101; US-5526031, 19960600, Kurabayashi, 347/105; US-5540764, 19960700, Haruta et al., 106/020; US-5549740, 19960800, Takahashi et al., 106/020; US-5593757, 19970100, Kashiwazaki et al., 428/195; US-5594485, 19970100, Koike et al., 347/101; US-5606356, 19970200, Noguchi et al., 347/100; US-5614007, 19970300, Kurabayashi et al., 106/022; US-5618338, 19970400, Kurabayashi et al., 106/026; US-5621447, 19970400, Takizawa et al., 347/088; US-5623294, 19970400, Takizawa et al., 347/098; US-5624484, 19970400, Takahashi et al., 106/031.75; US-5640187, 19970600, Kashiwazaki et al., 347/101; US-5645631, 19970700, Koike et al., 106/031.36; US-5651814, 19970700, Shimomura et al., 106/031.36; US-5658376, 19970800, Noguchi et al., 106/031.43; US-5680165, 19971000, Takizawa et al., 347/088; US-5686951, 19971100, Koike et al., 347/106; US-5690698, 19971100, von der Eltz et al.; US-5696182, 19971200, Kashiwazaki et al., 523/161; US-5698478, 19971200, Yamamoto et al., 442/153; US-5700314, 19971200, Kurbayashi et al., 106/031.27; US-5718793, 19980200, Inamoto et al., 156/235; US-5734403, 19980300, Suga et al., 347/101; US-5764261, 19980600, Koike et al., 347/100; US-5781216, 19980700, Haruta et al., 347/106; US-5782967, 19980700, Shirota et al., 106/031.58; US-5792249, 19980800, Shirota et al., 106/031.27; US-5835116, 19981100, Sato et al., 347/098; US-5902387, 19990500, Suzuki et al., 106/022; US-5922625, 19990700, Haruta et al., 442/075; US-5985975, 19991100, Kurabayashi et al., 524/462; US-6027210, 20000200, Kurabayashi et al., 347/100; US-6033066, 20000300, Koike et al., 347/101; US-6036307, 20000300, Hakamada et al., 347/106; US-6084006, 20000700, Kashiwazaki et al., 523/160; US-6284348, 20010900, Suzuki et al., 428/195 laim 1, in which R′ represents a hydrocarbyl group having a number average molecular weight (Mn) in the range 900 to 3,000.4. The concentrate of claim 1, in which R′ represent a polyalkenyl substituent.5. The concentrate of claim 1, in which R′ represents a polyisobutenyl substituent.6. The concentrate of claim 1, further comprising an anti-corrosion additive.7. A gasoline composition comprising: a major amount of a gasoline suitable for use in a spark ignition engine; and,a minor amount of additive concentrate comprising:an oil soluble hydrocarbyl poly(oxyalkylene) aminocarbamate having a number average molecular weight (Mn) in the range of 600 to 10,000 with at least one basic nitrogen atom wherein the hydrocarbyl substituent contains 1-30 carbon atoms; and,an oil soluble hydrocarbyl amine of formula R—NH2wherein R represents a group R′ or a group R′—CH2—, wherein R′ represents a hydrocarbyl group having a number average molecular weight (Mn) in the range 750 to 6,000wherein the aminocarbamate and the amine have a weight ratio in the range of 6:1 to 1:6.8. The gasoline composition of claim 7 wherein the hydrocarbyl poly(oxyalkylene) aminocarbamate and the hydrocarbyl amine of formula R—NH2are present in a combined amount in the range 50 to 5,000 ppmw, based on total composition.9. The gasoline composition of claim 8 in which the weight ratio of the hydrocarbyl poly(oxyalkylene) aminocarbamate to the hydrocarbyl amine of formula R—NH2is in the range of 1:1 to 1:2.10. The gasoline composition of claim 9 in which R′ represents a hydrocarbyl group having a number average molecular weight (Mn) in the range of 900 to 3,000.11. The gasoline composition of claim 10 in which R′ represents a polyalkenyl substituent.12. The gasoline composition of claim 10 in which R′ represents a polyisobutenyl substituent.13. A process for the preparation of a gasoline composition which comprises: adding to gasoline an additive concentrate comprising:an oil soluble hydrocarbyl poly(oxyalkylene) aminocarbamate having a number average molecular weight (Mn) in the range of 600 to 10,000 with at least one basic nitrogen atom wherein the hydrocarbyl substituent contains 1-30 carbon atoms; and,an oil soluble hydrocarbyl amine of formula R—NH2wherein R represents a group R′ or a group R′—CH2—, wherein R′ represents a hydrocarbyl group having a number average molecular weight (Mn) in the range 750 to 6,000wherein the aminocarbamate and the amine have a weight ratio in the range of 6:1 to 1:6.14. The process of claim 13 in which the hydrocarbyl poly(oxyalkylene) aminocarbamate and the hydrocarbyl amine of formula R—NH2are present in a combined amount in the range of 50 to 5,000 ppmw, based on total composition.15. The process of claim 13 in which the weight ratio of the hydrocarbyl poly(oxyalkylene) aminocarbamate to the hydrocarbyl amine of formula R—NH2is in the range 1:1 to 1:2.16. The process of claim 13 in which R′ represents a polyalkenyl substituent.17. The process of claim 13 in which R′ represents a polyisobutenyl substituent.18. A method of operating a spark-ignition internal combustion engine which comprises introducing into the combustion chambers of said engine a gasoline composition comprising: a major amount of a gasoline suitable for use in a spark ignition engine; and,a minor amount of additive concentrate comprising:an oil soluble hydrocarbyl poly(oxyalkylene) aminocarbamate having a number average molecular weight (Mn) in the range of 600 to 10,000 with at least one basic nitrogen atom wherein the hydrocarbyl substituent contains 1-30 carbon atoms; and,an oil soluble hydrocarbyl amine of formula R—NH2wherein R represents a group R′ or a group R′—CH2—, wherein R′ represents a hydrocarbyl group having a number average molecular weight (Mn) in
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