by casting between two preformed layers

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Patents Grantslast 30 patents

Information Patent Grant
Process for continuously preparing acrylic polymer gel
- Patent number 5,004,761
- Issue date Apr 2, 1991
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Akira Yada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the production of a continuous composite ribbon includi...
- Patent number 4,734,143
- Issue date Mar 29, 1988
- Societa Italiana Vetro-Siv-S.p.A.
- Massimo Meoni
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3257484
- Patent number 3,257,484
- Issue date Jun 21, 1966
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL