Main > POLYMERS > Poly(Amide) > Color Improvement

Product USA. D.

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 07.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Polymn carried out in presence of
- Phosphorous acid (0.097 - 1.582 mols P/million gr polyami
de)
- Al carboxylate (0.097 - 50 mols/million gr polyamide)
PATENT PHOTOCOPY Available on request

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