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특허 상세정보

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Water-insoluble hydrophilic copolymers

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08L-075/00    C08G-073/12   
미국특허분류(USC) 525/123 ; 526/262 ; 526/264 ; 526/320
출원번호 US-0883022 (1978-03-03)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 73  인용 특허 : 8
초록

A water-insoluble hydrophilic gel comprising: (A) about 30 to about 90% of a hydrophilic (a) polymer of identical or different water-soluble mono-olefinic monomers, or (b) copolymer of said water-soluble monomers with 1 to 70% of water-insoluble, identical or different mono-olefinic monomers, which polymer or copolymer is cross-linked with (B) about 10 to about 70% of a terminal diolefinic hydrophobic macromer having a molecular weight from about 400 to about 8000.

대표
청구항
▼

A water-insoluble hydrophilic gel comprising the crosslinked copolymerization product of (A) about 30 to about 90% by weight of said gel of (a) a water-soluble monoolefinic monomer, or mixture of said monomers, or (b) a water-soluble monomer, or mixture of said monomers, with 1 to 50% by weight of total monomers of a water-insoluble monoolefinic monomer, or mixture of said water-insoluble monomers, with (B) about 10 to about 70% by weight of said gel of a terminal diolefinic hydrophobic macromer having a molecular weight from about 400 to about 8000, sai...

이 특허에 인용된 특허 (8)

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  8. Brack Karl (Upton MA). Radiation curable resistant coatings and their preparation. USP1976113989609.

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