IT1201196B - Pharmaceutical L-carnitine derivs. prepn. - Google Patents
Pharmaceutical L-carnitine derivs. prepn.Info
- Publication number
- IT1201196B IT1201196B IT19148/87A IT1914887A IT1201196B IT 1201196 B IT1201196 B IT 1201196B IT 19148/87 A IT19148/87 A IT 19148/87A IT 1914887 A IT1914887 A IT 1914887A IT 1201196 B IT1201196 B IT 1201196B
- Authority
- IT
- Italy
- Prior art keywords
- density polyethylene
- blends
- temp
- layer
- low density
- Prior art date
Links
- PHIQHXFUZVPYII-ZCFIWIBFSA-N (R)-carnitine Chemical compound C[N+](C)(C)C[C@H](O)CC([O-])=O PHIQHXFUZVPYII-ZCFIWIBFSA-N 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 4
- 239000004743 Polypropylene Substances 0.000 abstract 2
- 229920001903 high density polyethylene Polymers 0.000 abstract 2
- 239000004700 high-density polyethylene Substances 0.000 abstract 2
- 229920000092 linear low density polyethylene Polymers 0.000 abstract 2
- 239000004707 linear low-density polyethylene Substances 0.000 abstract 2
- 229920001684 low density polyethylene Polymers 0.000 abstract 2
- 239000004702 low-density polyethylene Substances 0.000 abstract 2
- -1 polypropylene Polymers 0.000 abstract 2
- 229920001155 polypropylene Polymers 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Polyolefin film with a mat finish comprises at least two coextruded layers; an upper mat finish layer comprising high density polyethylene, polypropylene or blends thereof and a second layer comprising low density polyethylene, linear low density polyethylene or blends thereof. The film is prepd. by coextrusion of an external layer comprising high density polyethylene, polypropylene or blends thereof and an internal layer comprising low density polyethylene, linear low density polyethylene or blends thereof. The extrusion process comprises passage of the coextruded layers from feed zone to an extruder die through temp. control zones where the external layer passing through the temp. control zones from the feed zone is heated more rapidly to a higher temp. than the corresp. internal layer in the corresp. temp. control zone
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19148/87A IT1201196B (en) | 1987-01-23 | 1987-01-23 | Pharmaceutical L-carnitine derivs. prepn. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19148/87A IT1201196B (en) | 1987-01-23 | 1987-01-23 | Pharmaceutical L-carnitine derivs. prepn. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8719148A0 IT8719148A0 (en) | 1987-01-23 |
| IT1201196B true IT1201196B (en) | 1989-01-27 |
Family
ID=11155268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19148/87A IT1201196B (en) | 1987-01-23 | 1987-01-23 | Pharmaceutical L-carnitine derivs. prepn. |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1201196B (en) |
-
1987
- 1987-01-23 IT IT19148/87A patent/IT1201196B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8719148A0 (en) | 1987-01-23 |
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