Low acidity phosphate esters

Details Low acidity phosphate esters Low acidity phosphate esters

2003-06-24

2008-10-28

Shiao, Rei-tsang (Department: 1626)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S126000, C524S127000, C558S156000, C558S163000

Reexamination Certificate

active

07442737

ABSTRACT:
A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n can range from to 0 to about 5.

REFERENCES:
patent: 4102859 (1978-07-01), Eimers et al.
patent: 4104433 (1978-08-01), Kirk et al.
patent: 5041596 (1991-08-01), Bright et al.
patent: 5616768 (1997-04-01), Kawata et al.
patent: 1429669 (1976-03-01), None
patent: 02/062808 (2002-08-01), None
Patent Abstracts of Japan, vol. 004, No. 113 (C-021), Aug. 13, 1980 & JP55-069646, May 26, 1980.
Patent Abstracts of Japan, vol. 1997, No. 12, Dec. 25, 1997 & JP 09-221602, Aug. 26, 1997.

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