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Division of Polymer Science

Department of Chemistry

and Polymer Science

University of Stellenbosch

Private Bag X1

7602 MATIELAND

South Africa


Telephone: +27 (21) 808 3172

 

 

Student enquiries

Mrs E Cooper

+27(21) 808 3172

 

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GPS Coordinates:

S 33° 55' 58" E 18° 51' 59"

Patents

Last revision: 31 October, 2012

 

 

AE Smit, RD Sanderson. Nano fibres – Bubble Process, SA 2009/07987, 28 July 2010.

AE Smit, RD Sanderson. A yarn and a process for manufacture thereof, SA 2009/03923, 31 March 2010.

ETA van den Dungen, B KlumpermanSelf healing composition.  Int Patent Appl no: PCT/EP2010/000201, Int Publ No: WO 2010/081713 A1. 2010.

A Kornherr, F Eder, BJH Janse, RD Sanderson, JC Terblanche, M ZouProcess for preparing polysaccharide gel particles and pulp furnish for use in paper making.  European Patent Application: 09450061.8 – 2115, 24 Mar 2009.

A Kornherr, F Eder, BJH Janse, RD Sanderson, JC Terblanche, M ZouProcess and device for preparing starch microgel particles for the paper industry.  European Patent Application: 09450062.6 – 2115, 24 Mar 2009.

AE Smit, RD SandersonMethod for making fibers – ball process.  ZA2008/05444. 24 June 2008. Provisional

AE Smit, RD SandersonA process for the production of fibers.  PCT/IB2008/000935. 17 April 2008.

FM Saoud, MP Tonge, RD SandersonSuperparamagnetic nanoparticles for the preparation of ultra-pure controlled (living) polymers.  SA ZA2007/08879, 17 October 2007.  Provisional.

AE Smit, RD Sanderson.  A yarn and a process for manufacture thereof.  PCT/IB2007/003177. 4 May 2007.

AE Smit, RD SandersonA process for manufacturing continuous yarn from electrostatically spun fibers.  ZA2006/09605.  20 November 2006.  Provisional.

VB Naidoo, M Rautenbach, RD SandersonBola-amphiphilic peptides - Supramolecular structures.  SA 2003/8902, 14 November 2003.  Provisional.

VB Naidoo, M Rautenbach, RD SandersonBola-amphiphilic peptides - Anti-microbial activity.  SA 2003/8898, 14 November 2003.  Provisional.

RD SandersonSurfmer copolymeric composites.  SA 2003/4965, 25 June 2003.  Provisional

RD SandersonRAFT emulsion dispersion techniques.  SA 2003/4966, 25 June 2003.  Provisional

RD SandersonMembrane cleaning tool. SA 2003/4697, 17 June 2003.  Provisional.

RD Sanderson, DK Hallbauer, J Li, VY Hallbauer-Zadorozhnaya, S Marke, J SchillerFlat bed type slave unit for the detection and monitoring of fouling of membranes used in liquid separation processes.  SA 2002/4753, 13 June 2002.  Provisional.

RD SandersonSynthetic wine closure.  SA 2002/3238, 24 April 2002.  Provisional

RD Sanderson, D de Wet-RoosRAFT emulsion dispersion techniques.  SA 2002/2583, 5 April 2002.

K Mequanint, RD SandersonPolyurethane dispersions for coil coatings.  USA 6,221,955, April 2001

EP Jacobs, JP Botes, DJ Koen, VL PillayFilter installation and method of operating such installation.  Application, 16 March 2001.

RD Sanderson, WJ OppermanIn-package preservative gas generator.  SA 2001/1851, 6 March 2001.

K Mequanint, RD SandersonPolyurethane dispersions for coil coatings.  SA 98/11290, January 2001.

M Meincken, RD Sanderson, LJ BalkMeasurement thermal properties of polymers.  SA 2001/0012, 2 Januarie 2001.

EP Jacobs, JP Botes, DJ Koen, VL PillayReverse pressure pulse generator. SA 99/4620, 29 March 2000.

K Mequanint, RD SandersonPolyurethane dispersions for coil coatings.  Hong Kong 99105771.6, February 1999.  (Provisional)

P Swart, EP Jacobs, MW Bredenkamp, C YanicMembrane treatment.  SA 99/683, 28 January 1999.  (Application)

EP Jacobs, RD SandersonMethod of making hollow fibre membranes.  USA 5,833,896, 10 November 1998.

K Buchanan, WD Leukes, PD Rose, EP Jacobs.  Defouling membranes.  SA 97/7805, 26 August 1998. (Provisional)

EP Jacobs, RD SandersonMethod of making hollow-fibre membranes.  SA 96/7520, 29 April 1998.

EP Jacobs, JP Botes, DJ Koen, VL Pillay.  Filter installation and method of operating such installation.  SA 98/3255, 17 April 1998.

DG Bessarabov, RD Sanderson, SF TimashevElectrically induced carrier transport.  SA 97/4858, 3 June 1997. (Provisional)

WJ Opperman, RD Sanderson.  Preservation device for grapes.  SA 96/2517, March 1996.

EP Jacobs, RD SandersonMethod of making a hollow fibre membrane.  EP 96304167.8-2113, 6 June 1996. 

WD Leukes, EP Jacobs, PD Rose, SG Burton, RD SandersonMethod of producing secondary metabolites.  EP 96306333.4, 2 September 1996. 

WD Leukes, EP Jacobs, PD Rose, SG Burton, RD SandersonMethod of producing secondary metabolites.  USA 08/705,624, 03 August 1996. 

PD Rose, T Philips, RD SandersonSolvent extraction.  USA 5,378,369, 3 January 1995.

WD Leukes, EP Jacobs, PD Rose, SG Burton, RD SandersonMethod of producing secondary metabolites.  SA 96/9976, 1 September 1995.

EP Jacobs, RD Sanderson, SE Domröse.  Membrane arrangements.  (Membrane module contactors)  SA 94/0834, 8 November 1995.

PD Rose, T Philips, RD Sanderson.  Solvent extraction.  SA 93/0953, 12 August 1994.

PD Rose, T Philips, RD SandersonSolvent extraction.  Namibia 94/0009, 30 August 1994.

EP Jacobs, SE Domröse, DJ Koen, RD Sanderson.  Membrane filtration units.  (Multiple channel bioreactor and membrane filtration module)  SA 94/9952, 14 December 1994.

SE Domröse, EP Jacobs, RD Sanderson.  Capillary membrane module encapsulation method.  SA 94/9427, 28 November 1994.

EP Jacobs, SE Domröse, RD Sanderson.  Flow arrangements.  SA 93/0309, 18 January 1993, Namibia 91/0123, filed December 1991.

RD Sanderson, NA Dowler, AJ van Reenen.  Dynamic membranes, USA 3926799, 1991.

RD Sanderson, EP Jacobs, AJ van ReenenDynamic membranes.  USA 053,333, 1991

RD SandersonComposition for retarding senescence of cut flowers in water.  UK GB 2189 676 B, 1990

RD Sanderson, E Immelman.  Controlled release delivery device for chemical treatment.  SA 87/2799, 29 March 1989.

RD Sanderson, NA Dowler, AJ van ReenenDynamic composite reverse osmosis membranes.  EP 248,599, 9 December 1987.  SA Appl. 86/4070.

GJ Loubser, RD Sanderson.  Treating wine.  SA 82 00,226, 28 September 1983.

EP Jacobs, RD Sanderson, GJ LoubserSeparation element and support therefor.  SA 81 09,026, 24 November 1982.

RD Sanderson, JB Badenhorst.  Coated articles and containers.  Ger. Offen. DE 3,310,465, 6 October, 1983.  SA Appl.  82/2044, 25 March 1982.

RD Sanderson, NE LoubserPolymeric materials for membranes.  SA 80 03,750, 24 June 1981.

HS Pienaar, RD SandersonTreatment of semipermeable membranes.  SA 77 04,960, 9 October 1978.

RD Sanderson, HS PienaarPolysulphone gel membranes.  SA 77 04, 962, 1 November 1978.

EP Jacobs, RD SandersonReverse osmosis.  SA  December 1980.

RD Sanderson, GJ LoubserBeverage purification.  SA 80/1521.

 

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