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Optical Effect Materials

IP.com Disclosure Number: IPCOM000006860D
Publication Date: 2002-Feb-06

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The IP.com Prior Art Database

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US 5,753,371: PATENT [+2]

Abstract

Engelhard Reflecks Gilded Gold G232L, Reflecks Blazing Bronze G270L, Reflecks Clearly Copper G370L and Reflecks Really Rouge G670L are novel optical effect materials composed of Calcium Sodium Borosilicate (and) Titanium Dioxide (and) Iron Oxides. These products and their product family typically consist of iron and/or titanium oxide films encapsulating Calcium Sodium Borosilicate platelets. They could potentially be used in a broad range of cosmetic applications, including color cosmetics and personal care. Attached are a number of formulations demonstrating the use of Reflecks colors. These examples are not meant to be limiting in any way, and one skilled in the art will readily find many other applications.

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Optical Effect Materials

Engelhard Reflecks™ Gilded Gold G232L, Reflecks™ Blazing Bronze G270L, Reflecks™ Clearly Copper G370L and Reflecks™ Really Rouge G670L are novel optical effect materials composed of Calcium Sodium Borosilicate (and) Titanium Dioxide (and) Iron Oxides. These products and their product family typically consist of iron and/or titanium oxide films encapsulating Calcium Sodium Borosilicate platelets.  They could potentially be used in a broad range of cosmetic applications, including color cosmetics and personal care.  Attached are a number of formulations demonstrating the use of Reflecks™ colors.  These examples are not meant to be limiting in any way, and one skilled in the art will readily find many other applications.

NOTICE and WARNING: Some listed products, including Engelhard products, may not be appropriate for use in formulations involving dermal, mucus membrane and/or ocular contact and may be prohibited by some regulatory authorities for use in cosmetic applications.  It is the responsibility of the formulator to provide all necessary warnings and instructions with regard to the safe use of the formulation and to ensure that the formulation meets all applicable regulatory requirements and is safe for the application.  ENGELHARD MAKES NO REPRESENTATION OR WARRANTY WITH RESPECT TO THE FORMULATION.

Liquid Foundation

CLF-010240

 Phase                     Ingredients                                                                                                                % wt.

              A.                       Xanthan Gum (Keltrol T)1                                                                                                                                                                                          0.20

                                        Cellulose Gum (CMC 7LF)2                                                                                             0.20

                                        Water                                                                       (q.s. to 100%)                                      68.61                                                 

              B.                       Triethanolamine (TEA 99%)3                                                                                            0.65

                                        PEG-7 Glyceryl Cocoate (Cetiol HE)4                                                                               6.00

                                        Methylparaben                                                                                                               0.30

              C.                       Talc                                                                                                                              0.75

                                        Iron Oxides                                                                                                                    1.20

                                        Reflecks™ Blazing Bronze G270L (Calcium Sodium Borosilicate (and) Iron Oxides)6 5.69         

              D.                       Isopropyl Myristate                                                                                                         2.00                                            Oleyl Alcohol (Novol)5                                                                                                                       6.50

                                        Mineral Oil (and) Lanolin Alcohol (Amerchol L-101)3                                                   4.50

                                        Cetearyl Alcohol (Lanette O)4                                                                                          2.00

                                        Stearic Acid                                                                                                                   1.00

                                        Propylparaben                                                                                                                0.10

                                        Imidazolidinyl Urea                                                                                                         0.30                                                                100.00

PROCEDURE:

          I.             Disperse gums into water using high shear mixing until smooth.

          II.             Add Phase B to Phase A and mix until smooth.

         III.             Pulverize Phase C and add to Phase A-B using high shear mixing until smooth.

         IV.             In a support vessel heat Phase D ingredients to 75 +5oC with gentle agitation.

         V.             Add Phase D to Phase A-B-C- with gentle agitation, maintaining temperature at 75 +5oC.

VI.          Maintain constant agitation and cool batch to 35 +5oC; store or fill into appropriate containers.

 

NOTICE and WARNING:Some listed products, including Engelhard products, may not be appropriate for use in formulations involving dermal, mucus membrane and/or ocular contact and may be prohibited by some regulatory authorities for use in cosmetic applications.  It is the responsibility of the formulator to provide all necessary warnings and instructions with regard to the safe use of the formulation and to ensure that the formulation meets all applicable regulatory requirements and is safe for the application.  ENGELHARD MAKES NO REPRESENTATION OR WARRANTY WITH RESPECT TO THE FORMULATION.

 

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