[특허]Molds for producing contact lenses

Molds for producing contact lenses 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B28B-007/34 B29D-011/00
출원번호	US-0887685 (2010-09-22)
등록번호	US-8292256 (2012-10-23)
발명자 / 주소	Yin, Changhong Ansell, Scott F.
출원인 / 주소	Johnson & Johnson Vision Care, Inc.
대리인 / 주소	Johnson & Johnson
인용정보	피인용 횟수 : 0 인용 특허 : 85

초록

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

대표청구항 ▼

1. A mold for making a lens comprising an alicyclic co-polymer wherein said alicyclic co-polymer comprises at least two alicyclic monomers of different chemical structures wherein one curve of the mold comprises said alicyclic co-polymer and the other curve of the mold comprises a Ziegler-Natta catalyst based polypropylene wherein the one curve comprises an alicyclic co-polymer having a MFR of about 11.0 grams/10 minutes to about 18.0 grams/10 minutes, a specific gravity of 1.01 and a glass transition temperature of 105° C. and the other curve comprises polypropylene having a melt flow of less than about 21 g/10 min and an alicyclic co-polymer having a melt flow of 11.0 grams/10 minutes to about 18.0 grams/10 minutes and a glass transition temperature of 105°. 2. A mold for making a lens comprising an alicyclic co-polymer wherein said alicyclic co-polymer comprises at least two alicyclic monomers of different chemical structures wherein one curve of the mold comprises said alicyclic co-polymer and the other curve of the mold comprises a Ziegler-Natta catalyst based polypropylene wherein the other curve comprises an alicyclic co-polymer having a MFR of about 11.0 grams/10 minutes to about 18.0 grams/10 minutes, a specific gravity of 1.01 and a glass transition temperature of 105° C. and the one curve comprises polypropylene having a melt flow of less than about 21 g/10 min and an alicyclic co-polymer having a MFR of about 11.0 grams/10 minutes to about 18.0 grams/10 minutes, a specific gravity of 1.01 and a glass transition temperature of 105° C. 3. The mold of claim 2 wherein the weight ratio of alicyclic co-polymer to polypropylene is about 5:95 to about 95:5. 4. The mold of claim 2 wherein the weight ratio of alicyclic co-polymer to polypropylene is about 20:80 to about 80:20. 5. The mold of claim 2 wherein the weight ratio of alicyclic co-polymer to polypropylene is about 40:60 to about 60:40.

이 특허에 인용된 특허 (85)

Winter Andreas (Glashtten DEX) Antberg Martin (Hofheim am Taunus DEX) Spaleck Walter (Liederbach DEX) Rohrmann Jrgen (Liederbach DEX) Dolle Volker (Kelkheim DEX), 2-substituted disindenylmetallocenes, process for their preparation, and their use as catalysts in the polymerization of.
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Nicolson Paul Clement ; Baron Richard Carlton ; Chabrecek Peter,CHX ; Court John,AUX ; Domschke Angelika,DEX ; Griesser Hans Jorg,AUX ; Ho Arthur,AUX ; Hopken Jens,DEX ; Laycock Bronwyn Glenice,AUX ;, Methods of using and screening extended wear ophthalmic lenses.
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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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연합인증

Molds for producing contact lenses 원문보기

초록

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Molds for producing contact lenses 원문보기

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