Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-09-06
2009-08-11
Rábago, Roberto (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S329700, C525S330300, C525S384000, C526S317100
Reexamination Certificate
active
07572863
ABSTRACT:
The present invention relates to the development of hydrophobically modified polymers [HMPs], which have emerged as promising materials in diverse fields such as paints, cosmetics, oils, food and textiles. They are used as thickeners in these applications. In our study, the hydrophobic modification on PAA was performed using hydrophobic compounds obtained from naturally occurring materials such as Cashew Nut Shell Liquid, [CNSL]. The DCCI coupling method was chosen for the hydrophobic modification of PAA. A series of hydrophobically modified PAAs were synthesized with different degrees of hydrophobic contents and were characterized by solution rheology.
REFERENCES:
patent: 6355727 (2002-03-01), Andrist et al.
Badiger Manohar Virupax
Chassenieux Christophe
Hourdet Dominque
Lele Ashish Kishori
Perrin Patrick
Countil of Scientific and Industrial Research
Ecole Superieur de Physique et Chimie Industrielles de la Ville
Nixon & Vanderhye P.C.
Rábago Roberto
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