WO1993012186A1 - Antiglare and/or reflection formulation - Google Patents

Antiglare and/or reflection formulation Download PDF

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Publication number
WO1993012186A1
WO1993012186A1 PCT/AU1992/000663 AU9200663W WO9312186A1 WO 1993012186 A1 WO1993012186 A1 WO 1993012186A1 AU 9200663 W AU9200663 W AU 9200663W WO 9312186 A1 WO9312186 A1 WO 9312186A1
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Prior art keywords
amount
present
lacquer
aliphatic ester
wax
Prior art date
Application number
PCT/AU1992/000663
Other languages
French (fr)
Inventor
Peter Graham Ibbotson
Original Assignee
Peter Graham Ibbotson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peter Graham Ibbotson filed Critical Peter Graham Ibbotson
Priority to DE69226652T priority Critical patent/DE69226652T2/en
Priority to AU31524/93A priority patent/AU658038B2/en
Priority to US08/244,766 priority patent/US5456747A/en
Priority to EP93900122A priority patent/EP0617724B1/en
Publication of WO1993012186A1 publication Critical patent/WO1993012186A1/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08Cellulose derivatives
    • C09D101/16Esters of inorganic acids
    • C09D101/18Cellulose nitrate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/42Gloss-reducing agents

Definitions

  • THIS INVENTION relates to a material for use in the reduction of glare and reflection from reflective surfaces such as television screens, visual display screens, digital read-out screens, depth sounding screens, dial faced glass, most reversed image screens, and windows.
  • Glare and reflection are particular problems with VDUs giving rise to headaches, eyestrain, irritated eyes, blurred vision and many other symptoms.
  • a large number of attempts have been made to address these problems such as by carefully arranging the background lighting, positioning the VDU in the most appropriate viewing location and/or using micromesh filters or glass or plastics films. None of these has been entirely successful.
  • Mesh filters are one of the solutions to the problems of screen reflection but they do have adverse effects and the majority are extremely expensive.
  • a material for application to a reflective surface to reduce the glare and/or reflection therefrom comprising a lacquer dissolved in a flatting base; wherein the lacquer comprises at least one C 2 -C 6 aliphatic ester, at least one C x -C 6 aliphatic alcohol, at least one C 2 -C 8 ketone, nitrocellulose, a plasticizer, and an aromatic solvent; and the flatting base comprises an aromatic solvent, a hydrocarbon solvent mixture, at least one C 2 -C 6 aliphatic ester, silica, wax, an alkyd resin and an anti-settling agent; and wherein said material forms a transparent solid layer upon application to a reflective surface.
  • the invention also extends to the novel lacquer and the flatting base per se.
  • the preferred C 2 -C 6 aliphatic ester is butyl acetate.
  • the ester may be present in an amount of from 5-20% w/w in the " lacquer and in an amount of up to 5% w/w in the flatting base.
  • the C-.-C 6 aliphatic alcohol may be any of the common alcohols but preferably one which is not too volatile. N- butanol is preferred.
  • the quantity of alcohol will generally be within the range of 1-5% w/w.
  • two ketones are used, viz a low carbon ketone such as acetone and a higher carbon ketone such as methyl isobutyIketone. These may be present in a total amount of 20-30% w/w, each.
  • nitrocellulose which may be used is that sold by I.C.I. (Australia) Pty Ltd * under the product code AHX8/13.
  • the nitrocellulose " is preferably incorporated in an amount of from 10-20%' w/w. ij she
  • the plasticizer is generally a non-volatile organic liquid plasticizer, such as diisooctyl phthalate, and is incorporated in an amount ranging from 1 to 3% w/w.
  • Preferred aromatic solvents are those comprising Low weight aromatics such as benzene and its substituted derivatives such as toluene, and mixtures thereof. These are generally present in an amount of 1-5% w/w.
  • the hydrocarbon solvent mixture present in the flatting base will be the material produced during petroleum distillation.
  • a typical example is one containing about 50% w/w aromatics and it may be present in an amount of 15-25% w/w.
  • the silica acts as a filler and is preferably a synthetic silica such as DEGUSSA 0K412. This may comprise 5-10% w/w of the composition.
  • the wax is a synthetic wax present in an amount of 1-5% w/w.
  • the alkyd resin is a thermosetting polymer preferably comprising 70% N.V.M/ oluene. It is suitably present in an amount of from 20 to 30% w/w.
  • the final constituent, namely the anti-settling agent can be an oil, such as caster oil, in a range of 0.1 to 0.5% w/w.
  • the relative proportion of lacquer to flatting base is within the range of 5:1 to 20:1 on a weight basis.
  • ingredients recited above are preferred materials and it is additionally to be borne in mind that any one or more of the ingredients may be omitted or substituted by a material of equivalent or similar properties.
  • the anti-glare formulation of the present invention is preferably got up in an aerosol using dimethyl ether as the propellant.
  • application by pump spray, spray gun or the like may be more appropriate for large scale application such as to large windows in commercial buildings.
  • a flatting base was prepared from the following ingredients in the stated amounts: Toluene 38.25% w/w Hydrocarbon solvent mixture (50% aromatics L.F.P. ) 21.02% w/w Butyl acetate 3.27% w/w Synthetic silica (DEGUSSA OK412) 7.24% w/w Synthetic wax 3.09% w/w
  • An anti-glare composition suitable for application to television and like screens was prepared by mixing 87.7% w/w of the lacquer of example 1 with 12.3% w/w of the flatting base of example 2. The composition was got-up in an aerosol can by known means.
  • composition when applied to a television screen was found to reduce glare by approximately 96%.
  • An anti-glare composition suitable for application to video display units was prepared by mixing 92.49% w/w of the lacquer of example 1 with 7.51% w/w of the flatting base of example 2. The composition when applied to a VDU screen was found to reduce glare by approximately 84%.
  • a high resolution anti-glare composition was prepared by mixing 94.09% w/w of the lacquer of example 1 with 5.91% w/w of the flatting agent of example 2.
  • the composition exhibited a glare reduction of between 80 and 85% when applied to a reflective surface.
  • compositions were prepared with the following components:
  • composition A was suitable for TV screens
  • composition B for VDU's and composition C was a high resolution material.
  • Measurements were made by shining a standard incandescent light source onto glass coated with the anti ⁇ glare spray at different angles of incidence. The amount of reflected light was measured with a calibrated light- meter. The coated glass sample was then replaced with an uncoated sample and the measurement repeated.
  • the ratio of the reflected light from the coated glass slide to that from the plane glass slide gives the relative percentage reflectance of the anti-glare coating.
  • the ratio of reflected light from the glass coated with anti-glare to that from the uncoated glass is the percentage reflectance.
  • Sample TV(N)-1 corresponded to example 3 above, TV(N)- 2 to example 7A, VDU(N)-1 to example 4 above and VDU(N)-2 to example 7B above.
  • compositions provide a useful and inexpensive solution to the problem of glare and thus provide a useful alternative to the public.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Optical Elements (AREA)

Abstract

A material for reducing glare and reflection from reflective surfaces such as television screens, visual display units and windows. The material comprises a two part mixture of a lacquer and a flatting base. The lacquer consists of at least one C2-C6 aliphatic ester such as butyl acetate, at least one C1-C6 aliphatic alcohol such as n-butanol, at least one ketone such as acetone, nitrocellulose, a plasticizer such as diisoctyl phthalate, and an aromatic solvent such as benzene. The flatting base consists of an aromatic solvent such as benzene, a hydrocarbon solvent mixture, at least one C2-C6 aliphatic ester, synthetic silica, synthetic wax, an alkyd resin and an anti-settling agent such as caster oil.

Description

A TIGLAREAND/OR REFLECTION FORMULATION
THIS INVENTION relates to a material for use in the reduction of glare and reflection from reflective surfaces such as television screens, visual display screens, digital read-out screens, depth sounding screens, dial faced glass, most reversed image screens, and windows.
Glare and reflection are particular problems with VDUs giving rise to headaches, eyestrain, irritated eyes, blurred vision and many other symptoms. A large number of attempts have been made to address these problems such as by carefully arranging the background lighting, positioning the VDU in the most appropriate viewing location and/or using micromesh filters or glass or plastics films. None of these has been entirely successful. Mesh filters are one of the solutions to the problems of screen reflection but they do have adverse effects and the majority are extremely expensive.
It is therefore an object of the present invention to provide an expedient, inexpensive product for reducing glare and reflection which obviates the problems of known solutions.
According to the present invention, there is provided a material for application to a reflective surface to reduce the glare and/or reflection therefrom, said material comprising a lacquer dissolved in a flatting base; wherein the lacquer comprises at least one C2-C6 aliphatic ester, at least one Cx-C6 aliphatic alcohol, at least one C2-C8 ketone, nitrocellulose, a plasticizer, and an aromatic solvent; and the flatting base comprises an aromatic solvent, a hydrocarbon solvent mixture, at least one C2-C6 aliphatic ester, silica, wax, an alkyd resin and an anti-settling agent; and wherein said material forms a transparent solid layer upon application to a reflective surface.
The invention also extends to the novel lacquer and the flatting base per se.
The preferred C2-C6 aliphatic ester is butyl acetate. The ester may be present in an amount of from 5-20% w/w in the" lacquer and in an amount of up to 5% w/w in the flatting base.
The C-.-C6 aliphatic alcohol may be any of the common alcohols but preferably one which is not too volatile. N- butanol is preferred. The quantity of alcohol will generally be within the range of 1-5% w/w.
Preferably, two ketones are used, viz a low carbon ketone such as acetone and a higher carbon ketone such as methyl isobutyIketone. These may be present in a total amount of 20-30% w/w, each.
An example of the nitrocellulose which may be used is that sold by I.C.I. (Australia) Pty Ltd*under the product code AHX8/13. The nitrocellulose " is preferably incorporated in an amount of from 10-20%' w/w. ij she The plasticizer is generally a non-volatile organic liquid plasticizer, such as diisooctyl phthalate, and is incorporated in an amount ranging from 1 to 3% w/w.
_ Preferred aromatic solvents are those comprising Low weight aromatics such as benzene and its substituted derivatives such as toluene, and mixtures thereof. These are generally present in an amount of 1-5% w/w.
The hydrocarbon solvent mixture present in the flatting base will be the material produced during petroleum distillation. A typical example is one containing about 50% w/w aromatics and it may be present in an amount of 15-25% w/w.
The silica acts as a filler and is preferably a synthetic silica such as DEGUSSA 0K412. This may comprise 5-10% w/w of the composition. Preferably the wax is a synthetic wax present in an amount of 1-5% w/w.
The alkyd resin is a thermosetting polymer preferably comprising 70% N.V.M/ oluene. It is suitably present in an amount of from 20 to 30% w/w. The final constituent, namely the anti-settling agent can be an oil, such as caster oil, in a range of 0.1 to 0.5% w/w. Preferably, the relative proportion of lacquer to flatting base is within the range of 5:1 to 20:1 on a weight basis.
The ingredients recited above are preferred materials and it is additionally to be borne in mind that any one or more of the ingredients may be omitted or substituted by a material of equivalent or similar properties.
The anti-glare formulation of the present invention is preferably got up in an aerosol using dimethyl ether as the propellant. However, application by pump spray, spray gun or the like may be more appropriate for large scale application such as to large windows in commercial buildings.
Preferred embodiments of the invention will now be described in the following examples.
EXAMPLE 1 Preparation of Lacquer
The following ingredients were mixed together in the sequence indicated and in the stated amounts until completely dissolved:
Butyl acetate 16.85% w/w Butyl alcohol 3.52% w/w Methyl isobutylketone 27.91% w/w AXH 8/13 nitrocellulose 15.78% w/w To this mixture was added, under constant stirring: Diisooctyl phthalate 3.92% w/w Acetone 27.89% w/w Toluene 4.13% w/w
This mixture was a clear gloss r.f.p. aerosol lacquer. EXAMPLE 2
Preparation of Flatting Base
A flatting base was prepared from the following ingredients in the stated amounts: Toluene 38.25% w/w Hydrocarbon solvent mixture (50% aromatics L.F.P. ) 21.02% w/w Butyl acetate 3.27% w/w Synthetic silica (DEGUSSA OK412) 7.24% w/w Synthetic wax 3.09% w/w
Alkyd resin (70% N.V.M./toluene) 26.81% w/w Castor oil 0.32% w/w EXAMPLE 3
Anti-Glare Composition
An anti-glare composition suitable for application to television and like screens, was prepared by mixing 87.7% w/w of the lacquer of example 1 with 12.3% w/w of the flatting base of example 2. The composition was got-up in an aerosol can by known means.
The composition when applied to a television screen was found to reduce glare by approximately 96%.
EXAMPLE 4 Anti-Glare Composition
An anti-glare composition suitable for application to video display units, was prepared by mixing 92.49% w/w of the lacquer of example 1 with 7.51% w/w of the flatting base of example 2. The composition when applied to a VDU screen was found to reduce glare by approximately 84%.
EXAMPLE 5 Anti-Glare Composition
A high resolution anti-glare composition was prepared by mixing 94.09% w/w of the lacquer of example 1 with 5.91% w/w of the flatting agent of example 2.
The composition exhibited a glare reduction of between 80 and 85% when applied to a reflective surface.
EXAMPLE 7 Anti-Glare Compositions
Three anti-glare compositions were prepared with the following components:
Figure imgf000007_0001
Composition A was suitable for TV screens, composition B for VDU's and composition C was a high resolution material.
TESTS The relative reflectance of the anti-glare compositions were tested in the Photometric Laboratory in the Physics Department of the Queensland University of Technology.
Measurements were made by shining a standard incandescent light source onto glass coated with the anti¬ glare spray at different angles of incidence. The amount of reflected light was measured with a calibrated light- meter. The coated glass sample was then replaced with an uncoated sample and the measurement repeated.
The ratio of the reflected light from the coated glass slide to that from the plane glass slide gives the relative percentage reflectance of the anti-glare coating. The ratio of reflected light from the glass coated with anti-glare to that from the uncoated glass is the percentage reflectance.
Measurements of relative reflectance were made at three angles of incidence, 10°, 20° and 45°. Coated samples tested were labelled TV(N) and VDU(N). Two samples of each were supplied (identified as TV(N)-1 and TV(N)-2, and VDU(N)-1 and VDU(N)-2) as well as an identical uncoated plane glass slide as the reference.
Sample TV(N)-1 corresponded to example 3 above, TV(N)- 2 to example 7A, VDU(N)-1 to example 4 above and VDU(N)-2 to example 7B above.
The results are tabulated below.
Figure imgf000009_0001
It can be seen from above that the present compositions provide a useful and inexpensive solution to the problem of glare and thus provide a useful alternative to the public.
Whilst the above has been given by way of illustrative example of the invention, many modifications and variations may be made thereto by persons skilled in the art without departing from the broad scope and ambit of the invention as herein set forth in the following claims.

Claims

CLAIMS :
1. A material for application to a reflective surface to reduce the glare and/or reflection therefrom, said material comprising a lacquer dissolved in a flatting base; wherein the lacquer comprises at least one C2-C6 aliphatic ester, at least one C-^-C8 aliphatic alcohol, at least one C2-C8 ketone, nitrocellulose, a plasticizer, and an aromatic solvent; and the flatting base comprises an aromatic solvent, a hydrocarbon solvent mixture, at least one C2-C6 aliphatic ester, silica, wax, an alkyd resin and an anti-settling agent; and wherein said material forms a transparent solid layer upon application to a reflective surface.
2. A material as claimed in claim 1, in which the C2-C6 aliphatic ester is present in an amount of from 5 to 20% w/w in the lacquer and up to 5% w/w in the flatting base, the Cχ-C6 aliphatic alcohol is present in amount of from 1 to 5% w/w, the C2-C8 ketone is present in an amount of from 20 to 30% w/w, the nitrocellulose is present in an amount of from 10 to 20% w/w, the plasticizer is present in an amount of from 1 to 3% w/w, the aromatic solvent is present in an amount of from 1 to 5% w/w in both the lacquer and the flatting base, the hydrocarbon solvent mixture is present in an amount' of from 15 to 25% w/w, the silica is present in an amount of from 5 to 10% w/w, the wax is present in an amount of from 1 to 5% w/w, the alkyd resin is present in an amount of from 20 to 30% w/w, and the settling agent is present in an amount of from 0.1 to 0.5% w/w, all weight percentages being based on the total weight of the material.
3. A material as claimed in claim 1 or claim 2, in which the. relative, proportion of lacquer to flatting base is within the range of 5:1 to 20:1 on a weight basis.
4. A material as claimed in any one of the preceding claims, in which the C2-C6 aliphatic ester is butyl acetate.
5. A material as claimed in any one of the preceding claims, in which the C^Cg aliphatic alcohol is n-butanol.
6. A material as claimed in any one of the preceding --.is internr claims, in which there are two ketones. —
7. A material as claimed in claim 6, in which the ketones are acetone and methylisobutylketone.
8. A material as claimed in any one of the preceding 5 claims, in which the placticizer is diisoctyl phthlate.
9. A material as claimed in any one of the preceding claims, in which the aromatic solvents are selected from the group comprising benzene, its substituted derivatives, and mixtures thereof.
10 10. A material as claimed in any one of the preceding claims, in which the hydrocarbon solvent mixture contains about 50% w/w aromatics.
11. A material as claimed in any one of the preceding claims, in which the silica is a synthetic silica.
15 12. A material as claimed in any one of the preceding claims, in which the wax is a synthetic wax.
13. A material as claimed in any one of the preceding claims, in which the alkyd resin is a thermosetting polymer comprising 70% NVM toluene.
20 14. A material as claimed in any one of the preceding claims, in which the anti-settling agent is caster oil.
15. A lacquer comprising at least one C2-C6 aliphatic ester, at least one C^-C8 aliphatic alcohol, at least one C2- C8 ketone, nitrocellulose, a plasticizer and an aromatic
25 solvent.
16. A flatting base comprising an aromatic solvent, a hydrocarbon solvent mixture, at least one C2-C6 aliphatic ester, silica, wax, an alkyd resin and an anti-settling agent.
30 17. A material as claimed in claim 1 and substantially as herein, described in any pne of examples 3 - 6.
PCT/AU1992/000663 1991-12-16 1992-12-16 Antiglare and/or reflection formulation WO1993012186A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69226652T DE69226652T2 (en) 1991-12-16 1992-12-16 GLARE PROTECTION AND REFLECTION-FREE COMPOSITION
AU31524/93A AU658038B2 (en) 1991-12-16 1992-12-16 Antiglare and/or reflection formulation
US08/244,766 US5456747A (en) 1991-12-16 1992-12-16 Anti glare and/or reflection formulation
EP93900122A EP0617724B1 (en) 1991-12-16 1992-12-16 Antiglare and/or reflection formulation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL002591 1991-12-16
AUPL0025 1991-12-16

Publications (1)

Publication Number Publication Date
WO1993012186A1 true WO1993012186A1 (en) 1993-06-24

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PCT/AU1992/000663 WO1993012186A1 (en) 1991-12-16 1992-12-16 Antiglare and/or reflection formulation

Country Status (7)

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US (1) US5456747A (en)
EP (1) EP0617724B1 (en)
AU (1) AU658038B2 (en)
CA (1) CA2125663C (en)
DE (1) DE69226652T2 (en)
NZ (1) NZ246125A (en)
WO (1) WO1993012186A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0718643A1 (en) * 1994-12-22 1996-06-26 John P. Murphy Anti-reflective liquid film for eyeglasses

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WO1996019345A1 (en) * 1994-12-22 1996-06-27 Dai Nippon Printing Co., Ltd. Composite film
AUPQ707900A0 (en) 2000-04-20 2000-05-18 Hutton, Lawrence Coating composition
US7703456B2 (en) 2003-12-18 2010-04-27 Kimberly-Clark Worldwide, Inc. Facemasks containing an anti-fog / anti-glare composition
KR101333012B1 (en) 2005-08-12 2013-12-02 캄브리오스 테크놀로지즈 코포레이션 Nanowires-based transparent conductors
US8018568B2 (en) 2006-10-12 2011-09-13 Cambrios Technologies Corporation Nanowire-based transparent conductors and applications thereof
EP3595016A1 (en) 2006-10-12 2020-01-15 Cambrios Film Solutions Corporation Nanowire-based transparent conductors and method of making them
EP2477229B1 (en) 2007-04-20 2021-06-23 Cambrios Film Solutions Corporation Composite transparent conductors and methods of forming the same
KR20130048717A (en) 2010-02-24 2013-05-10 캄브리오스 테크놀로지즈 코포레이션 Nanowire-based transparent conductors and methods of patterning same
KR101736399B1 (en) * 2016-09-28 2017-05-16 (주)부영산업 Eco-friendly varnish compositions and methods for their production

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AU2165656A (en) * 1956-09-14 1958-03-20 Archie Raymond and Herbert Beauchamp Charles Walter Barton Leonard Jemakoff Improvements relating to lacquers andthe packing of same
WO1985005317A1 (en) * 1984-05-24 1985-12-05 University Of Strathclyde Coating material for lenses
WO1990014317A1 (en) * 1989-05-23 1990-11-29 Glare-Tech Industries, Inc. Anti-glare coating for reflective-transmissive surfaces
AU1006092A (en) * 1991-01-04 1992-07-09 Charles Mirack Winchester Waterborne nitrocellulose lacquer emulsion

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AU2165656A (en) * 1956-09-14 1958-03-20 Archie Raymond and Herbert Beauchamp Charles Walter Barton Leonard Jemakoff Improvements relating to lacquers andthe packing of same
WO1985005317A1 (en) * 1984-05-24 1985-12-05 University Of Strathclyde Coating material for lenses
WO1990014317A1 (en) * 1989-05-23 1990-11-29 Glare-Tech Industries, Inc. Anti-glare coating for reflective-transmissive surfaces
AU1006092A (en) * 1991-01-04 1992-07-09 Charles Mirack Winchester Waterborne nitrocellulose lacquer emulsion

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Derwent WPAT Online Abstract Accession No. 72-72503T; & JP,B,51 030 096 (OSAKA AEROSOL KOGYO KK) 30 August 1976 (30.08.76), Abstract. *
Derwent WPAT Online Abstract Accession No. 81-49045D; & SU,A,771140 (UFA PETROLEUM INST) 18 October 1980 (18.10.80), Abstract. *
Derwent WPAT Online Abstract Accession No. 84-248084; & RO,A,83361 (INTR LACURI VOPSELE; CENT PROTECT ANTICOROSIV) 39 June 1984 (30.06.84), Abstract. *
Derwent WPAT Online Abstract Accession No. 84-261553; & RO,A,84288 (POLICOLOR INTR LACURI; CENT PROTECT ANTI COROZIV) 30 July 1984 (30.07.84), Abstract. *
Derwent WPAT Online Abstract Accession No. 87-141240; & RO,A,90417 (POLICOLOR INTR LACURI; CENT PROTECT ANTI COROZIV) 30 October 1986 (30.10.86), Abstract. *
See also references of EP0617724A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0718643A1 (en) * 1994-12-22 1996-06-26 John P. Murphy Anti-reflective liquid film for eyeglasses

Also Published As

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US5456747A (en) 1995-10-10
AU3152493A (en) 1993-07-19
EP0617724A4 (en) 1995-06-21
CA2125663C (en) 1998-11-24
DE69226652D1 (en) 1998-09-17
CA2125663A1 (en) 1993-06-24
NZ246125A (en) 1995-07-26
EP0617724B1 (en) 1998-08-12
DE69226652T2 (en) 1999-01-21
AU658038B2 (en) 1995-03-30
EP0617724A1 (en) 1994-10-05

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