[특허]Method of making porous hydrophilic-lipophilic copolymeric powders

[미국특허] Method of making porous hydrophilic-lipophilic copolymeric powders 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08F-036/02
출원번호	US-0351896 (1989-05-15)
발명자 / 주소	Carmody Walter J. (Port Jervis NY) Buzzelli Anthony J. (Port Jervis NY)
출원인 / 주소	Dow Corning Corporation (Midland MI 02)
인용정보	피인용 횟수 : 21 인용 특허 : 8

초록 ▼

A precipitation polymerization process for producing a macroporous cross-linked copolymeric lattice, capable of adsorbing hydrophilic and lipophilic fluids, in which process there is copolymerized at least one monounsaturated monomer and at least one polyunsaturated monomer in the presence of an organic liquid which is a solvent for the monomers but not for the copolymer, initiating the copolymerization of the monomers by means of a free radical generating catalytic compound, precipitating a copolymer in the solvent in the form of a powder, and forming a dry powder by removing the solvent from the precipitated copolymeric powder. One monomer is a hydrophilic compound and the other monomer is a lipophilic compound.

대표청구항 ▼

A precipitation polymerization process for producing a macroporous cross-linked copolymer powder capable of adsorbing hydrophilic and lipophilic fluids, comprising copolymerizing at least one monounsaturated monomer and at least one polyunsaturated monomer in the presence of an organic liquid which is a solvent for the monomers but not for the copolymer, initiating the copolymerization of the monomers by means of a free radical generating catalytic compound, precipitating a copolymer in the organic liquid in the form of a powder which includes unit particles, agglomerates, and aggregates, and forming a dry powder by removing the organic liquid from the precipitated copolymer powder, one monomer being a hydrophilic compound and the other monomer being a lipophilic compound.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

Abrutyn Eric S. (Middletown NY), Lattice-entrapped emollient-moisturizer composition.
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Won Richard (Palo Alto CA), Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be pr.
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Kraemer Dieter (Mainz DEX) Plainer Hermann (Darmstadt DEX) Schleier Waldemar (Darmstadt DEX), Pearl polymer containing hollow pearls.
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Meitzner Erich F. (Glenside PA) Oline James A. (Wyncote PA), Polymerization processes and products therefrom.
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Kido Shiro (Shin-nanyo JPX) Yokota Tetsuo (Shin-nanyo JPX) Nakahara Yasuhiro (Shin-nanyo JPX), Process for producing porous polystyrene gel.
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Kaiho Isao (Yokohama JA) Takahashi Ryuji (Tokyo JA), Process for production of spherical porous fillers for liquid chromatography by suspension polymerization of monovinyl a.
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Horton Robert L. (South Russell OH), Recovery of mineral values using magnetically susceptible ion exchange agent.
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Leong Helen (Atherton CA) Katz Martin (Menlo Park CA) Delk Anne (Kensington CA) Berliner David (Atherton CA) Nacht Sergio (Los Altos CA), Synthetic melanin aggregates.
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이 특허를 인용한 특허 (21) 인용/피인용 타임라인 분석

Wang, Shiping; Yeh, Yun-Siung Tony; Owens, James; Wong, Wei Cheong, Coating composition for skin-contacting surface of elastomeric articles and articles containing the same.
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Small,Robert J.; Chen,Zhefei J., Composition for chemical-mechanical polishing and method of using same.
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SenGupta, Ashoke K.; Lin, Ilona; St. Onge, Jason; Hughes, Melanie J., Compositions containing benefit agent composites pre-emulsified using colloidal cationic particles.
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SenGupta, Ashoke K., Compositions containing benefit agents pre-emulsified using colloidal cationic particles.
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SenGupta, Ashoke K., Compositions containing cationically surface-modified microparticulate carrier for benefit agents.
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Pahlck, Harold E.; Martin, Shari R.; Squires, Michael E., Cosmetic formulation having a palette of color shades renewable by mechanical action.
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SenGupta, Ashoke K.; Lin, Ilona; St. Onge, Jason Harold, Detersive compositions containing hydrophobic benefit agents pre-emulsified using sub-micrometer-sized insoluble cationic particles.
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Liu, Limin; Spindler, Ralph; Vakili-Tahami, Gholam-Reza, Low pH retinoid topical compositions.
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Ziemelis Maris Jazeps ; Park William Robb Roy, Method of making hydrophobic copolymers hydrophilic.
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Sengupta, Tapashi; SenGupta, Ashoke K., Multilayer fragrance encapsulation comprising kappa carrageenan.
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Dairoku, Yorimichi; Adachi, Yoshifumi; Nogi, Kozo; Inoue, Hiroki; Wada, Katsuyuki; Irie, Yoshio, Particulate water absorbent agent and production method thereof, and water absorbent article.
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Dairoku,Yorimichi; Adachi,Yoshifumi; Nogi,Kozo; Inoue,Hiroki; Wada,Katsuyuki; Irie,Yoshio, Particulate water absorbent agent and production method thereof, and water absorbent article.
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Kobayashi, Taishi; Imura, Motohiro; Iwamura, Taku; Wada, Katsuyuki; Nogi, Kozo; Mitsukami, Yoshiro; Abe, Masato; Ueda, Hiroko; Honda, Koji, Particulate water absorbent and process for production thereof.
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Kobayashi, Taishi; Imura, Motohiro; Iwamura, Taku; Wada, Katsuyuki; Nogi, Kozo; Mitsukami, Yoshiro; Abe, Masato; Ueda, Hiroko; Honda, Koji, Particulate water absorbent and process for production thereof.
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Fujimaru, Hirotama; Ishizaki, Kunihiko; Nakahara, Sei, Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin.
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Bohling, James Charles; Furbank, Roy Jeffrey; Rosenbaum, Bruce Maurice, Process for macroporous acrylic resins.
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Bohling,James Charles; Furbank,Roy Jeffrey; Rosenbaum,Bruce Maurice, Process for macroporous acrylic resins.
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Marie-Claude Meyer FR; Laurence Mathieu FR; Joel Blomet FR, Product capable of transforming a toxic, corrosive or environmentally harmful liquid product into a harmless or non-aggressive residue.
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Meyer,Marie Claude; Mathieu,Laurence; Blomet,Jo챘l, Product capable of transforming a toxic, corrosive or environmentally harmful liquid product into a harmless or non-aggressive residue.
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Nakamura, Masatoshi; Miyake, Koji; Iwamura, Taku; Watanabe, Yusuke, Water-absorbent resin composition, method of manufacturing the same, and absorbent article.
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Sakamoto, Shigeru; Ikeuchi, Hiroyuki; Machida, Sayaka, Water-absorbing resin and method for manufacturing the same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method of making porous hydrophilic-lipophilic copolymeric powders 원문보기