Thermoplastic formulations for manufacturing pipes and...

Details Thermoplastic formulations for manufacturing pipes and... Thermoplastic formulations for manufacturing pipes and...

2008-09-09

2008-09-09

Szekely, Peter (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S318000, C524S350000, C524S479000, C524S487000

Reexamination Certificate

active

11074361

ABSTRACT:
Thermoplastic formulations to manufacture pipe and fluid accessories for home and industrial use comprising a polyvinyl chlorinated thermoplastic compound (CPVC) at a level up to 100 phr, oxidizing agents, polymer promoter agents, and impact modifier agents characterized because it includes a blend of internal and external lubricant agents based on: paraffinic wax selected from paraffinic wax from calcium stearate, polyethylene wax, oxidized polyethylene wax, stearic acid and fatty acid waxes, polyethylene wax, homopolymer of oxidized ethylene, paraffinic wax and mercaptide thermostabilizing agents.

REFERENCES:
patent: 5194471 (1993-03-01), Hartitz
patent: 5969045 (1999-10-01), Schmitz et al.
patent: 2003/0157321 (2003-08-01), Dalal et al.
patent: 01217008 (1989-08-01), None

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