Patents with Industry

Low Water Diamine-Dicarboxylic Acid Salt Preparation

I.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Pat. No. 5,801,278, Sep. 1, 1998.

Polymer Mixing Apparatus and Method

C.D. Papaspyrides, I.V. Bletsos, E.I. du Pont de Nemours & Company (Inc.), Pat. No.5,941,634, Aug. 24, 1999.

Low Water Diamine-Dicarboxylic Acid Salt Preparation

I.V. Bletsos, C.D. Papaspyrides, E.I. du Pont de Nemours & Company (Inc.), Pat. No. EP 971869, Jan. 19, 2000.

Process for the Preparation of Polyamides in the Presence of a Phosphonate

J. Fink, R. Pfaendner, D. Simon, C.D. Papaspyrides, S. N. Vouyiouka, Ciba Specialty Chemicals Holding (Inc.), Pat. No. WO2007/006647 A1, Jan. 18, 2007.

Process for the Preparation of Polyamides in the Presence of a Phosphonate

J. Fink, R. Pfaendner, D. Simon, C.D. Papaspyrides, S. N. Vouyiouka, Ciba Specialty Chemicals Holding (Inc.), Pat. No. EP1907467, April 9, 2008.

Layered Silicate Flame Retardant Compositions

R. Pfaendner, C.D. Papaspyrides, P. Kiliaris, BASF SE (Inc.), Pat. No. WO2010/069835 A1, June 24, 2010.

Layered Silicate Flame Retardant Compositions

R. Pfaendner, C.D. Papaspyrides, P. Kiliaris, BASF SE (Inc.), Pat. No. EP2379643, October 26, 2011.

Process for producing a semi-aromatic semi-crystalline polyamide

Porfyris, C. Papaspyrides, R. Rulkens, R.H.M. Kierkels, P.V. Geert, E. Grolman, T. Cuypers,  DSM IP, ASSETS B.V., Appl. No./Pat. No. 13172829.7-1306, June 19, 2013. Find it here

Layered Silicate Flame Retardant Compositions

R. Pfaendner, C.D. Papaspyrides, P. Kiliaris, BASF SE (Inc.),Pat. No. US08686073, April 1, 2014.