Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1992-09-04
1993-11-16
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 5, 524 6, C09K 700
Patent
active
052624528
ABSTRACT:
An oil and gas well cementing composition has styrene/butadiene latex and a combination of nonionic and anionic surfactants for improved physical properties, especially fluid loss.
REFERENCES:
patent: Re28722 (1976-02-01), Sanders
patent: 4527918 (1985-08-01), Parcevaux et al.
patent: 4721160 (1988-01-01), Parcevaux et al.
BASF Corp.
DeWitt La Vonda
Michl Paul R.
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