PL370403A1
Film, laminated sheet and methods of making same
Abstract
A method of making a microporous laminate sheet having a first film layer and a second layer. The first film layer includes a pore initiator and is bonded to the second layer in order to form a laminate sheet. The laminate sheet is then stretched using at least one CD intermeshing stretcher (28) and at least one MDO stretching unit (29). Methods of making a microporous film laminate are also provided, along with an apparatus for stretching a film or laminate.
Term
Term ended
Projected expiry passed 24 February 2023, 3.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
7 priority claims, no other members on record
Priority claims7
| Document | Office | Kind | Date |
|---|---|---|---|
| 35887102 | United States of America | P | |
| 35887102 | United States of America | P | |
| 0305640 | United States of America | W | |
| 0305640 | United States of America | W | |
| 0260358871 | – | – | – |
| US20020358871P | – | – | – |
| WO2003US05640 | – | – | – |
Numbers
- Publication, DOCDB
- 370403
- Publication, EPODOC
- PL370403
- Application
- 3370403
- Application, DOCDB
- 37040303
- Application, EPODOC
- PL20030370403
Titles2
- English
- FILM, LAMINATED SHEET AND METHODS OF MAKING SAME
- Polish
- Folia, laminowany arkusz i sposoby ich wytwarzania
Classification
- CPC, 13
- B29C55/023
- B29C55/02
- B29C55/12
- B29C55/146
- B29C55/18
- B29K2105/04
- B32B37/153
- B32B38/0032
- B32B2038/0028
- B32B2305/026
- B32B2305/18
- B32B2305/30
- B29C55/14
- IPC, 14
- B29C55 02
- B29C55 04
- C08J9 00
- B29C55 12
- B29C55 14
- B29C55 18
- B29C67 20
- B29D7 00
- B29K105 04
- B29L7 00
- B29L9 00
- B32B5 18
- B32B37 00
- B32B37 15