Composition based on renewable raw materials

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

Reexamination Certificate

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C525S533000

Reexamination Certificate

active

06946541

ABSTRACT:
The present invention relates to a composition based on renewable raw materials which is particularly characterized by containing at least one tin-containing compound, an article made thereof as well as a process for the preparation of such an article. The composition according to the present invention exhibits an increased curing rate, i.e. a shortened “incubation time”, compared to those compositions based on renewable raw materials currently available in the prior art. Furthermore, the composition according to the present invention can advantageously use particularly in casting and rotational casting processes, respectively.

REFERENCES:
patent: 3201360 (1965-08-01), Proops et al.
patent: 3485573 (1969-12-01), Heyden
patent: 3770675 (1973-11-01), Taft
patent: 3943082 (1976-03-01), Smith et al.
patent: 4119593 (1978-10-01), Smith et al.
patent: 4694033 (1987-09-01), van der Linde
patent: 5324846 (1994-06-01), Hirshman et al.
patent: 6150436 (2000-11-01), Kastl et al.
patent: 2001/0023276 (2001-09-01), Schoenfeld
patent: 196 27 165 (1996-07-01), None
patent: WO 98/28356 (1998-07-01), None

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