Catalyst-free process for the manufacture of a fatty acid...

Details Catalyst-free process for the manufacture of a fatty acid... Catalyst-free process for the manufacture of a fatty acid...

2006-11-07

2009-06-09

Jagannathan, Vasu (Department: 1796)

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

Synthetic resins

From carboxylic acid or derivative thereof

C528S001000, C549S513000, C549S525000, C549S530000, C554S024000, C554S030000, C554S149000, C554S168000, C554S174000

Reexamination Certificate

active

07544763

ABSTRACT:
The present invention relates to a manufacturing process for producing a polyol from a fatty acid ester in-situ. The process does not use any added organic or inorganic acid catalyst. The polyol produced by the process is essentially free of any cation or anion. The fatty acid ester oil epoxidation and hydroxylation reactions can occur progressively in the same reactor for essentially a one-pot reaction. The polyol produced by the process is essentially free of any cation or anion. The polyol can be used to produce polyurethanes having improved properties.

REFERENCES:
patent: 5302626 (1994-04-01), Hoefer et al.
patent: 5324846 (1994-06-01), Hirshman et al.
patent: 6107433 (2000-08-01), Petrovic et al.
patent: 6433121 (2002-08-01), Petrovic et al.
patent: 6891053 (2005-05-01), Chaser et al.

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