| Title of Invention | A PROCESS FOR CONTROLLED POLYMERISATION OF A MIXED POLYMER |
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| Abstract | The present invention provides a process for the preparation of high molecular weight" crystalline Polyethyleneterephthalate (PET) using up to 50% of" Post consumer recycled PET flakes along with Pure Terephthalic Acid (PTA), Isophthalic Acid (IPA) "and Mono Ethylene Glycol (MEG) as a virgin raw material, in the presence of a combination of catalysts and additives to obtain an intermediate prepolymer heel having a low degree of polymerization further subjecting to autoclaving to yield an amorphous melt and followed by solid state polymerization. |
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569-che-2004 claims granted.pdf
569-che-2004 correspondence others.pdf
569-che-2004 correspondence po.pdf
569-che-2004 description (complete) granted.pdf
569-che-2004 power of attorney.pdf
| Patent Number | 232683 | ||||||||
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| Indian Patent Application Number | 569/CHE/2004 | ||||||||
| PG Journal Number | 13/2009 | ||||||||
| Publication Date | 27-Mar-2009 | ||||||||
| Grant Date | 20-Mar-2009 | ||||||||
| Date of Filing | 17-Jun-2004 | ||||||||
| Name of Patentee | FUTURA POLYESTERS LTD | ||||||||
| Applicant Address | 1-A, KAMARAJAR SALAI, MANALI, CHENNAI 600 068, | ||||||||
Inventors:
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| PCT International Classification Number | C08G 63/90 | ||||||||
| PCT International Application Number | N/A | ||||||||
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PCT Conventions:
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