IT549917A - - Google Patents
Info
- Publication number
- IT549917A IT549917A IT549917DA IT549917A IT 549917 A IT549917 A IT 549917A IT 549917D A IT549917D A IT 549917DA IT 549917 A IT549917 A IT 549917A
- Authority
- IT
- Italy
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2823754A GB765597A (en) | 1954-09-30 | 1954-09-30 | Polytetramethylene terephthalate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT549917A true IT549917A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=10272495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT549917D IT549917A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1954-09-30 |
Country Status (5)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL262267A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1961-03-10 | |||
| BE759913A (fr) * | 1969-12-05 | 1971-06-04 | Fiber Industries Inc | Procede de polymerisation du terephtalate de dimethyle |
| US6960626B2 (en) | 2000-01-21 | 2005-11-01 | Cyclics Corporation | Intimate physical mixtures containing macrocyclic polyester oligomer and filler |
| US7256241B2 (en) | 2000-01-21 | 2007-08-14 | Cyclics Corporation | Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters |
| US7750109B2 (en) | 2000-09-01 | 2010-07-06 | Cyclics Corporation | Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer |
| CA2419438A1 (en) | 2000-09-01 | 2002-03-07 | Gary R. Faler | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters |
| US7767781B2 (en) | 2000-09-01 | 2010-08-03 | Cyclics Corporation | Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom |
| CA2451767A1 (en) | 2001-06-27 | 2003-01-09 | Cyclics Corporation | Isolation, formulation, and shaping of macrocyclic oligoesters |
| US7304123B2 (en) | 2001-06-27 | 2007-12-04 | Cyclics Corporation | Processes for shaping macrocyclic oligoesters |
| US6787632B2 (en) | 2001-10-09 | 2004-09-07 | Cyclics Corporation | Organo-titanate catalysts for preparing pure macrocyclic oligoesters |
| EP1879940A1 (en) | 2005-03-25 | 2008-01-23 | Cyclics Corporation | Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom |
-
0
- IT IT549917D patent/IT549917A/it unknown
- BE BE541649D patent/BE541649A/xx unknown
- CA CA565566A patent/CA565566A/en not_active Expired
-
1954
- 1954-09-30 GB GB2823754A patent/GB765597A/en not_active Expired
-
1955
- 1955-09-17 FR FR1131022D patent/FR1131022A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA565566A (en) | 1958-11-04 |
| BE541649A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | |
| GB765597A (en) | 1957-01-09 |
| FR1131022A (fr) | 1957-02-14 |