The purpose of this paper is to show that a generalized Clifford immersion with non-negative Gaussian curvature has constant contact angle, thus extending previous results.
Rodrigo Ristow Montes. "A Remark on Compact Minimal Surfaces in $S^5$ With Non-Negative Gaussian Curvature." J. Geom. Symmetry Phys. 11 41 - 48, 2008. https://doi.org/10.7546/jgsp-11-2008-41-48