CA2346305A1 - Method for making retroreflective elements having enhanced retroreflectivity under dry or wet conditions - Google Patents
Method for making retroreflective elements having enhanced retroreflectivity under dry or wet conditions Download PDFInfo
- Publication number
- CA2346305A1 CA2346305A1 CA002346305A CA2346305A CA2346305A1 CA 2346305 A1 CA2346305 A1 CA 2346305A1 CA 002346305 A CA002346305 A CA 002346305A CA 2346305 A CA2346305 A CA 2346305A CA 2346305 A1 CA2346305 A1 CA 2346305A1
- Authority
- CA
- Canada
- Prior art keywords
- retroreflective
- optical elements
- layer
- elements
- spacing layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00605—Production of reflex reflectors
- B29D11/00615—Production of reflex reflectors moulded by partially embedding reflective elements, e.g. glass beads, into the surface of a support, e.g. to make prefabricated road markings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/175,857 US6247818B1 (en) | 1998-10-20 | 1998-10-20 | Method for making retroreflective elements having enhanced retroreflectivity under dry and/or wet conditions |
| US09/175,857 | 1998-10-20 | ||
| PCT/US1999/016990 WO2000023257A1 (en) | 1998-10-20 | 1999-07-29 | Method for making retroreflective elements having enhanced retroreflectivity under dry or wet conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2346305A1 true CA2346305A1 (en) | 2000-04-27 |
Family
ID=22641948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002346305A Abandoned CA2346305A1 (en) | 1998-10-20 | 1999-07-29 | Method for making retroreflective elements having enhanced retroreflectivity under dry or wet conditions |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6247818B1 (enExample) |
| EP (1) | EP1123195B1 (enExample) |
| JP (1) | JP4261063B2 (enExample) |
| KR (1) | KR100606219B1 (enExample) |
| CN (1) | CN1124931C (enExample) |
| AT (1) | ATE282521T1 (enExample) |
| AU (1) | AU764181B2 (enExample) |
| CA (1) | CA2346305A1 (enExample) |
| DE (1) | DE69922038T2 (enExample) |
| WO (1) | WO2000023257A1 (enExample) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369944B1 (en) * | 1999-07-12 | 2002-04-09 | Nashua Corporation | Diffuser-coated projection screen element and method of manufacture |
| US6966660B1 (en) * | 1999-10-15 | 2005-11-22 | 3M Innovative Properties Company | Article exhibiting dry and wet retroreflectivity |
| WO2002013978A2 (en) * | 2000-08-16 | 2002-02-21 | Daniel Mushett | Process for forming a reflective surface |
| US6487002B1 (en) * | 2001-06-11 | 2002-11-26 | Xerox Corporation | Large area micro-structure template for creation of closely packed arrays |
| JP2005036386A (ja) * | 2001-12-28 | 2005-02-10 | Doperu:Kk | 蓄光発光性道路標示材と道路構造 |
| US6679650B2 (en) * | 2002-02-12 | 2004-01-20 | Ennis Paint, Inc. | Pavement marking system |
| US7428037B2 (en) | 2002-07-24 | 2008-09-23 | Carl Zeiss Smt Ag | Optical component that includes a material having a thermal longitudinal expansion with a zero crossing |
| US20040105154A1 (en) * | 2002-08-08 | 2004-06-03 | Reflexite Corporation | Optical structures including polyurea |
| US8070303B2 (en) | 2002-08-08 | 2011-12-06 | Reflexite Corporation | Optical structures including polyurea |
| WO2004095137A1 (en) | 2003-04-24 | 2004-11-04 | Carl Zeiss Smt Ag | Projection optical system |
| DE10359102A1 (de) | 2003-12-17 | 2005-07-21 | Carl Zeiss Smt Ag | Optische Komponente umfassend ein Material mit einer vorbestimmten Homogenität der thermischen Längsausdehnung |
| DE10360414A1 (de) * | 2003-12-19 | 2005-07-21 | Carl Zeiss Smt Ag | EUV-Projektionsobjektiv sowie Verfahren zu dessen Herstellung |
| EP1709252B1 (en) | 2004-01-21 | 2014-03-26 | 3M Innovative Properties Company | Retroreflective elements and articles |
| US7168815B2 (en) * | 2004-01-21 | 2007-01-30 | 3M Innovative Properties Company | Retroreflective elements and articles |
| US7156528B2 (en) | 2004-01-21 | 2007-01-02 | 3M Innovative Properties Company | Retroreflective elements and articles |
| EP1756632B1 (en) * | 2004-05-12 | 2015-07-01 | ORAFOL Americas Inc. | Retroreflective structures |
| JP2006318842A (ja) * | 2005-05-16 | 2006-11-24 | Casio Comput Co Ltd | 発光装置及び発光型ディスプレイパネル |
| DE102005046554A1 (de) * | 2005-09-28 | 2007-03-29 | Sick Ag | Reflexionslichtschranke |
| CN101479667B (zh) * | 2006-07-03 | 2011-12-07 | 卡尔蔡司Smt有限责任公司 | 修正/修复光刻投影物镜的方法 |
| WO2008064859A2 (en) * | 2006-12-01 | 2008-06-05 | Carl Zeiss Smt Ag | Optical system with an exchangeable, manipulable correction arrangement for reducing image aberrations |
| DE102007009867A1 (de) * | 2007-02-28 | 2008-09-11 | Carl Zeiss Smt Ag | Abbildungsvorrichtung mit auswechselbaren Blenden sowie Verfahren hierzu |
| EP2242656A2 (en) * | 2007-12-21 | 2010-10-27 | 3M Innovative Properties Company | Retroreflective security articles |
| US8840956B2 (en) * | 2008-10-31 | 2014-09-23 | Potters Industries, Llc | Retroreflective coating and method for applying a retroreflective coating on a structure |
| US20100272962A1 (en) * | 2009-04-22 | 2010-10-28 | Potters Industries Inc. | Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface |
| CA2730631C (en) * | 2010-02-09 | 2015-03-31 | Potters Industries, Inc. | Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface |
| TW201209774A (en) * | 2010-08-17 | 2012-03-01 | Hannspree Inc | Manufacturing method of display frame with artificial diamond |
| US8622555B2 (en) * | 2010-08-31 | 2014-01-07 | 3M Innovative Properties Company | Security article having a switching feature |
| US20160138230A1 (en) * | 2014-07-29 | 2016-05-19 | Patent Applied Technology | Reflective Markings |
| JP5766343B1 (ja) * | 2014-10-24 | 2015-08-19 | ユニチカスパークライト株式会社 | 再帰性反射性材料 |
| EP3056475B2 (en) † | 2015-02-11 | 2022-12-07 | Geveko Markings Denmark A/S | Composition, marking and kit of parts for forming a marking, such as a road marking |
| US10393928B2 (en) * | 2015-04-30 | 2019-08-27 | Mark Wegmann | Bands of retroreflective targets and methods of making same |
| US20200024813A1 (en) * | 2017-03-20 | 2020-01-23 | 3M Innovative Properties Company | White pavement marking |
| US11740532B2 (en) * | 2018-12-17 | 2023-08-29 | Viavi Solutions Inc. | Article including light valves |
| JP2021039187A (ja) * | 2019-09-01 | 2021-03-11 | 株式会社マインド | 再帰性反射材を用いた撮影用小道具 |
| KR102069082B1 (ko) * | 2019-09-30 | 2020-02-11 | 해오름 주식회사 | 알루미늄 박판이 베이스층을 형성하는 재귀반사시트 |
| US20210259349A1 (en) * | 2020-02-20 | 2021-08-26 | James Sanchez | Light Reflecting Headgear Assembly |
| CN111334104B (zh) * | 2020-03-09 | 2022-01-11 | 广东四维新材料有限公司 | 自动驾驶汽车雷达系统识别的道路标线涂层及其制备方法 |
| CN114149754A (zh) * | 2021-11-30 | 2022-03-08 | 苏州赛伍应用技术股份有限公司 | 一种网格胶膜及其制备方法和应用 |
| KR102629563B1 (ko) * | 2022-10-05 | 2024-01-29 | 한국건설기술연구원 | 우수한 내구성 및 접착성을 나타내는 차선표시 테이프 |
| WO2025224070A1 (en) | 2024-04-22 | 2025-10-30 | Agfa Nv | Manufacturing traffic signs |
Family Cites Families (91)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US987003A (en) | 1910-05-10 | 1911-03-14 | Henry S Livingston | Chewing-gum. |
| US2043414A (en) | 1934-07-20 | 1936-06-09 | Fred H Korff | Marker for highways |
| US2354048A (en) | 1940-08-03 | 1944-07-18 | Minnesota Mining & Mfg | Flexible lenticular optical sheet |
| US2354018A (en) | 1940-08-03 | 1944-07-18 | Minnesota Mining & Mfg | Light reflector sheet |
| US2326634A (en) | 1941-12-26 | 1943-08-10 | Minnesota Mining & Mfg | Reflex light reflector |
| US2440584A (en) | 1944-06-19 | 1948-04-27 | Minnesota Mining & Mfg | Lenticular reflex reflector sheet and method of making the same |
| US2407680A (en) | 1945-03-02 | 1946-09-17 | Minnesota Mining & Mfg | Reflex light reflector |
| US2592882A (en) | 1946-12-04 | 1952-04-15 | Minnesota Mining & Mfg | Reflex light reflector |
| US3043196A (en) | 1957-09-18 | 1962-07-10 | Minnesota Mining & Mfg | Reflective marking aggregate |
| US3034196A (en) | 1960-03-18 | 1962-05-15 | Du Pont | Alternately crimped staple fiber |
| US3175935A (en) | 1961-05-08 | 1965-03-30 | Minnesota Mining & Mfg | Method of making reflective particles and resultant article |
| US3274888A (en) | 1962-01-19 | 1966-09-27 | Minnesota Mining & Mfg | Inorganic reflex-reflective aggregate |
| US3252376A (en) | 1962-02-16 | 1966-05-24 | Prismo Safety Corp | Reflex reflective granule and marking material made thereof |
| US3413058A (en) | 1964-07-09 | 1968-11-26 | Minnesota Mining & Mfg | Reflex-reflecting articles |
| US3254563A (en) | 1963-11-12 | 1966-06-07 | Prismo Safety Corp | Retro-reflective particles and reflective markers and compositions containing such particles |
| GB1036392A (en) | 1965-02-02 | 1966-07-20 | Prismo Safety Corp | Reflex reflecting marker |
| US3418896A (en) | 1967-02-03 | 1968-12-31 | Prismo Safety Corp | Reflective markers and reflective elements therefor |
| US3556637A (en) | 1968-06-27 | 1971-01-19 | Minnesota Mining & Mfg | Reflex-reflecting aggregate and markers prepared therefrom |
| AT307280B (de) | 1969-05-09 | 1973-05-10 | Swarovski & Co | Reflexfolie und Verfahren zu ihrer Herstellung |
| US3709706A (en) | 1969-05-16 | 1973-01-09 | Minnesota Mining & Mfg | Refractory fibers and other articles of zirconia and silica mixtures |
| US3702213A (en) | 1969-07-30 | 1972-11-07 | Swarovski & Co | Reflex light reflector sheet and method for its manufacture |
| US3894791A (en) | 1970-04-22 | 1975-07-15 | Ludwig Eigenmann | Reflective material for road marking and signs |
| US3849351A (en) | 1971-09-16 | 1974-11-19 | Minnesota Mining & Mfg | Pavement marking material containing a polyamide modified by a diphenolic acid |
| GB1459273A (en) | 1973-03-12 | 1976-12-22 | Eigenmann Ludwig | Anti-skid and retroreflective components for road surface markings |
| JPS513727B2 (enExample) | 1973-11-01 | 1976-02-05 | ||
| US4166147A (en) | 1973-04-16 | 1979-08-28 | Minnesota Mining And Manufacturing Company | Shaped and fired articles of tio2 |
| JPS5249811B2 (enExample) | 1973-08-28 | 1977-12-20 | ||
| US4023889A (en) | 1975-02-24 | 1977-05-17 | Morgan Adhesives Company | Retroreflective laminate |
| DE2632107C2 (de) | 1975-07-16 | 1986-01-09 | Ludwig Dr. Vacallo Tessin Eigenmann | Rückstrahlaggregat für Markierungsmaterial zur horizontalen Straßenmarkierung |
| US4117192A (en) | 1976-02-17 | 1978-09-26 | Minnesota Mining And Manufacturing Company | Deformable retroreflective pavement-marking sheet material |
| US4055377A (en) | 1976-08-03 | 1977-10-25 | Minnesota Mining And Manufacturing Company | Magnetically orientable retroreflectorization particles |
| US4030958A (en) | 1976-08-09 | 1977-06-21 | Minnesota Mining And Manufacturing Company | Pavement-striping apparatus |
| US4082426A (en) | 1976-11-26 | 1978-04-04 | Minnesota Mining And Manufacturing Company | Retroreflective sheeting with retroreflective markings |
| US4145112A (en) | 1977-07-14 | 1979-03-20 | Minnesota Mining And Manufacturing Company | Low-profile raised retroreflective sheeting |
| IT1097474B (it) | 1978-07-05 | 1985-08-31 | Eigenmann Ludwig | Elementi retroriflettenti perfezionati per segnaletica stradale,e metodo per il loro orientamento e posa in opera |
| US4203878A (en) | 1978-08-02 | 1980-05-20 | Shell Oil Company | Epoxy resin traffic paint compositions |
| US4226658A (en) | 1979-01-12 | 1980-10-07 | Morgan Adhesives Company | Method of making retroreflective laminate |
| US4248932A (en) | 1979-06-14 | 1981-02-03 | Minnesota Mining And Manufacturing Company | Extended-life pavement-marking sheet material |
| US4511210A (en) | 1979-10-01 | 1985-04-16 | Minnesota Mining And Manufacturing Company | Retroreflective sheeting |
| US4367920A (en) | 1979-10-01 | 1983-01-11 | Minnesota Mining And Manufacturing Company | Retroflective sheeting |
| US4569857A (en) | 1979-10-01 | 1986-02-11 | Minnesota Mining And Manufacturing Company | Retroreflective sheeting |
| US4681401A (en) | 1982-02-22 | 1987-07-21 | Wyckoff Charles W | Sheet material marker surface for roadways and the like |
| US4388359A (en) | 1982-04-23 | 1983-06-14 | Minnesota Mining And Manufacturing Company | Embossed pavement-marking sheet material |
| US4490432A (en) | 1982-04-23 | 1984-12-25 | Minnesota Mining And Manufacturing Company | Reinforced pavement-marking sheet material |
| US4607978A (en) | 1982-08-23 | 1986-08-26 | Ludwig Eigenmann | Method and equipment for improving horizontal marking strips |
| US4505967A (en) | 1983-04-11 | 1985-03-19 | Minnesota Mining And Manufacturing Company | High-angularity retroreflective sheeting and method for manufacture |
| US4950525A (en) | 1983-04-11 | 1990-08-21 | Minnesota Mining And Manufacturing Company | Elastomeric retroreflective sheeting |
| US4648932A (en) | 1983-04-11 | 1987-03-10 | Minnesota Mining And Manufacturing Company | High-angularity retroreflective sheeting and method for manufacture |
| US4682852A (en) * | 1984-07-23 | 1987-07-28 | Victor Weber | Reflective sheeting technology |
| US4983458A (en) | 1984-09-21 | 1991-01-08 | Potters Industries, Inc. | Reflective particles |
| US4564556A (en) | 1984-09-24 | 1986-01-14 | Minnesota Mining And Manufacturing Company | Transparent non-vitreous ceramic particulate |
| US4664966A (en) | 1985-11-18 | 1987-05-12 | Minnesota Mining And Manufacturing Company | Enclosed-lens retroreflective sheeting having tough, weather-resistant, transparent cover film |
| US4772511A (en) | 1985-11-22 | 1988-09-20 | Minnesota Mining And Manufacturing Company | Transparent non-vitreous zirconia microspheres |
| CA1308845C (en) | 1986-01-13 | 1992-10-13 | Roger W. Lange | Pavement markings containing transparent non-vitreous ceramic microspheres |
| CH671986A5 (enExample) | 1987-12-24 | 1989-10-13 | Eigenmann Ludwig | |
| US4988555A (en) | 1988-06-09 | 1991-01-29 | Minnesota Mining And Manufacturing Company | Patterned pavement marking |
| US5227221A (en) | 1988-06-09 | 1993-07-13 | Minnesota Mining And Manufacturing Company | Patterned skid preventative sheet |
| US4988541A (en) | 1988-06-09 | 1991-01-29 | Minnesota Mining And Manufacturing Company | Process for making retroreflector sheet |
| US4875798A (en) | 1988-06-30 | 1989-10-24 | Minnesota Mining And Manufacturing Company | Retroreflective pavement marker |
| US5008142A (en) | 1988-09-02 | 1991-04-16 | Minnesota Mining And Manufacturing Company | Embedded lens retroreflective sheeting with flexible, dimensionally stable coating |
| US5094902A (en) | 1988-09-07 | 1992-03-10 | Minnesota Mining And Manufacturing Company | Skid-resistant surface marking material |
| US5053253A (en) | 1988-09-07 | 1991-10-01 | Minnesota Mining And Manufacturing Company | Skid-resistant pavement markings |
| US5124178A (en) | 1988-09-07 | 1992-06-23 | Minnesota Mining And Manufacturing Company | Skid-resistant surface marking material |
| US4937127A (en) | 1988-09-07 | 1990-06-26 | Minnesota Mining And Manufacturing Company | Skid-resistant pavement markings |
| US4969713A (en) | 1988-12-12 | 1990-11-13 | Brite Line Corporation | Marker strip surface for roadways and the like |
| US5139590A (en) | 1989-02-10 | 1992-08-18 | Brite-Line Industries, Inc. | Surface marker strip and methods for providing improved integrity and adhesion to roadways and the like |
| US5316406A (en) | 1989-02-10 | 1994-05-31 | Briteline Industries, Inc. | Surface marker strip and methods for providing improved integrity and adhesion to roadway and the like |
| JPH0823739B2 (ja) | 1989-03-01 | 1996-03-06 | アトム化学塗料株式会社 | 高輝度全天候型路面標示用シート材 |
| US5077117A (en) | 1990-04-05 | 1991-12-31 | Minnesota Mining And Manufacturing Company | Pavement marking material with rupturing top layer |
| US5108218A (en) | 1990-09-25 | 1992-04-28 | Brite-Line Industries | Roadway and similar marker strip and method of forming same |
| US5114193A (en) | 1990-12-14 | 1992-05-19 | Nass Thomas O | Safety latch mechanism |
| GB9107487D0 (en) | 1991-04-09 | 1991-05-22 | Swintex | Retro-reflective assembly |
| US5268789A (en) | 1992-02-18 | 1993-12-07 | Minnesota Mining And Manufacturing Company | Retroreflective assembly and process for making same |
| IT1255125B (it) | 1992-05-04 | 1995-10-20 | Minnesota Mining & Mfg | Nastro segnaletico stradale preformato altamente conformabile |
| US5478596A (en) | 1994-05-13 | 1995-12-26 | Gurney; Richard S. | Stripping composition and method for stripping a road or highway surface |
| US5417515A (en) * | 1994-05-20 | 1995-05-23 | Minnesota Mining And Manufacturing Company | Retroreflective article with dual reflector |
| CA2147821C (en) | 1994-05-20 | 2006-04-11 | Thomas P. Hedblom | Patterned pavement markings with upright retroreflectors |
| US5750191A (en) | 1994-05-20 | 1998-05-12 | Minnesota Mining And Manufacturing Company | Retroreflective elements |
| US5667335A (en) | 1995-05-19 | 1997-09-16 | Minnesota Mining And Manufacturing Commpany | Fiber reinforced raised pavement marker and method of making |
| US5557461A (en) | 1995-05-26 | 1996-09-17 | Briteline Industries, Inc. | Omnidirectional retro-reflective roadway marker and the like |
| US5667334A (en) | 1995-06-13 | 1997-09-16 | Stimsonite Corporation | Base for roadway marker |
| WO1997001677A1 (en) | 1995-06-29 | 1997-01-16 | Minnesota Mining And Manufacturing Company | Wet retroreflective marking material |
| US5676488A (en) | 1995-06-29 | 1997-10-14 | Minnesota Mining And Manufacturing Company | Pavement marking with multiple topcoats |
| US5835271A (en) | 1995-06-29 | 1998-11-10 | Minnesota Mining And Manufacturing Company | Encased retroreflective elements and method for making |
| US5812317A (en) * | 1995-10-26 | 1998-09-22 | Minnesota Mining And Manufacturing Company | Exposed lens retroreflective article having a polymeric intermediate layer disposed between microspheric and reflective layers |
| US5620775A (en) | 1995-11-03 | 1997-04-15 | Minnesota Mining And Manufacturing Company | Low refractive index glass microsphere coated article having a smooth surface and a method for preparing same |
| US5822120A (en) | 1996-02-05 | 1998-10-13 | Palazzotto; Michael C. | Layered retroreflective elements |
| WO1997028471A1 (en) | 1996-02-05 | 1997-08-07 | Minnesota Mining And Manufacturing Company | Durable retroreflective elements |
| US5917652A (en) * | 1996-02-05 | 1999-06-29 | Minnesota Mining And Manufacturing Company | Durable retroreflective elements |
| WO1997028470A1 (en) | 1996-02-05 | 1997-08-07 | Minnesota Mining And Manufacturing Company | Layered retroreflective elements |
| US5777791A (en) | 1996-11-26 | 1998-07-07 | Minnesota Mining And Manufacturing Company | Wet retroreflective pavement marking articles |
-
1998
- 1998-10-20 US US09/175,857 patent/US6247818B1/en not_active Expired - Lifetime
-
1999
- 1999-07-29 KR KR1020017004887A patent/KR100606219B1/ko not_active Expired - Fee Related
- 1999-07-29 WO PCT/US1999/016990 patent/WO2000023257A1/en not_active Ceased
- 1999-07-29 CA CA002346305A patent/CA2346305A1/en not_active Abandoned
- 1999-07-29 AU AU53219/99A patent/AU764181B2/en not_active Ceased
- 1999-07-29 AT AT99938815T patent/ATE282521T1/de not_active IP Right Cessation
- 1999-07-29 CN CN99812181A patent/CN1124931C/zh not_active Expired - Fee Related
- 1999-07-29 JP JP2000577018A patent/JP4261063B2/ja not_active Expired - Fee Related
- 1999-07-29 EP EP99938815A patent/EP1123195B1/en not_active Expired - Lifetime
- 1999-07-29 DE DE69922038T patent/DE69922038T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU764181B2 (en) | 2003-08-14 |
| CN1124931C (zh) | 2003-10-22 |
| JP4261063B2 (ja) | 2009-04-30 |
| KR100606219B1 (ko) | 2006-07-28 |
| DE69922038D1 (de) | 2004-12-23 |
| CN1323257A (zh) | 2001-11-21 |
| WO2000023257A1 (en) | 2000-04-27 |
| AU5321999A (en) | 2000-05-08 |
| KR20010080235A (ko) | 2001-08-22 |
| EP1123195B1 (en) | 2004-11-17 |
| DE69922038T2 (de) | 2006-03-02 |
| EP1123195A1 (en) | 2001-08-16 |
| JP2002527652A (ja) | 2002-08-27 |
| US6247818B1 (en) | 2001-06-19 |
| ATE282521T1 (de) | 2004-12-15 |
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Legal Events
| Date | Code | Title | Description |
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| FZDE | Discontinued |