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특허 상세정보

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Process for producing polyvinyl alcohol articles

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) D06N-003/04    D04H-003/009    D06B-001/00    D06C-007/00    D06N-003/00    D04H-001/4309    D04H-003/11    D06M-011/05    D06M-011/84    B32B-005/02    B32B-005/26   
출원번호 US-0317965 (2011-11-01)
등록번호 US-9523172 (2016-12-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Snell & Wilmer L.L.P.
인용정보 피인용 횟수 : 0  인용 특허 : 54
초록

The present invention relates to novel polyvinyl alcohol non-woven films and fabrics which have been modified so as to have a breathable coalesced lower porosity surface polyvinyl alcohol layer attached to a fibrous polyvinyl alcohol layer by a transition layer. The fabrics are useful as clothing or wraps for inert articles.

대표
청구항
▼

1. A non-woven breathable polyvinyl alcohol article comprising three polyvinyl alcohol layers each formed from a common fibrous polyvinyl alcohol material, the article comprising: a first layer consisting of the fibrous polyvinyl alcohol material as coalesced to have a reduced porosity relative to the fibrous polyvinyl alcohol material, and that is more susceptible to thermal transfer than the fibrous polyvinyl alcohol material;a second layer consisting of the fibrous polyvinyl alcohol material in an unmodified state and having a higher porosity than the...

이 특허에 인용된 특허 (54)

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