Main > POLYMERS > Organic Polymer Stabilization

Product Phosphite. Spiro Bis-Phosphite. USA. G. No. 1

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 06.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Prepn method
- Heat. reaction mixt contg pentaerythritol (I), PCl3 & hydroxyl
contg compd
Wherein (I) has size < 250 microns
PATENT PHOTOCOPY Available on request

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