Hydrogenation of benzenepolycarboxylic acids or derivatives...

Details Hydrogenation of benzenepolycarboxylic acids or derivatives... Hydrogenation of benzenepolycarboxylic acids or derivatives...

2005-05-03

2005-05-03

Barts, Samuel (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S179000, C560S180000, C524S285000

Reexamination Certificate

active

06888021

ABSTRACT:
A process for producing plasticizers in which a phthalic acid having the CAS Nos. 111381-89-6, 111381-90-9, 111381-91-0, 68515-44-6, 68515-45-7 and 3648-20-7, the formed plasticizers and a method of increasing the plasticity of a plastic product.

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patent: 06-306252 (1994-11-01), None
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patent: 09249890 (1997-09-01), None
STN abstract for JP 07-173342.*
Patent Abst. of Japan, publ. No. 07173342, Jul. 11, 1995.
Sears et al.,The Technology of Plasticizers, pp. 964-969 and 864, 1982.
“Flexol” Plasticizer CC-55, published by Union Carbide Chemicals Co., Nov. 1957.

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