EP0834093A1 - Encapsulated-lens retroreflective sheeting - Google Patents

Encapsulated-lens retroreflective sheeting

Info

Publication number
EP0834093A1
EP0834093A1 EP96921724A EP96921724A EP0834093A1 EP 0834093 A1 EP0834093 A1 EP 0834093A1 EP 96921724 A EP96921724 A EP 96921724A EP 96921724 A EP96921724 A EP 96921724A EP 0834093 A1 EP0834093 A1 EP 0834093A1
Authority
EP
European Patent Office
Prior art keywords
layer
binder layer
film
retroreflective sheeting
resin
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.)
Withdrawn
Application number
EP96921724A
Other languages
German (de)
English (en)
French (fr)
Inventor
Masami Yokoyama
Yoshiyuki Nagaoka
Yoshinori Araki
Terry R. Bailey
Thanh-Huong Nguyen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0834093A1 publication Critical patent/EP0834093A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/126Reflex reflectors including curved refracting surface
    • G02B5/128Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP96921724A 1995-06-22 1996-06-21 Encapsulated-lens retroreflective sheeting Withdrawn EP0834093A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44495P 1995-06-22 1995-06-22
US444P 1995-06-22
PCT/US1996/010650 WO1997001118A1 (en) 1995-06-22 1996-06-21 Encapsulated-lens retroreflective sheeting

Publications (1)

Publication Number Publication Date
EP0834093A1 true EP0834093A1 (en) 1998-04-08

Family

ID=21691569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96921724A Withdrawn EP0834093A1 (en) 1995-06-22 1996-06-21 Encapsulated-lens retroreflective sheeting

Country Status (6)

Country Link
EP (1) EP0834093A1 (ko)
JP (1) JP4025890B2 (ko)
KR (1) KR19990028290A (ko)
AU (1) AU699901B2 (ko)
CA (1) CA2222508A1 (ko)
WO (1) WO1997001118A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280822B1 (en) * 1999-01-11 2001-08-28 3M Innovative Properties Company Cube corner cavity based retroeflectors with transparent fill material
KR100463689B1 (ko) * 2001-11-21 2004-12-29 주식회사 엘지화학 우수한 내후성과 유연성을 갖는 역반사 시트 및 그의제조방법
US7906610B2 (en) * 2005-06-17 2011-03-15 Eastman Chemical Company Food service products comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US9598533B2 (en) 2005-11-22 2017-03-21 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US9169388B2 (en) 2006-03-28 2015-10-27 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol and certain thermal stabilizers, and/or reaction products thereof
US8895654B2 (en) 2008-12-18 2014-11-25 Eastman Chemical Company Polyester compositions which comprise spiro-glycol, cyclohexanedimethanol, and terephthalic acid
EP2615478A1 (en) * 2012-01-16 2013-07-17 3M Innovative Properties Company Retroreflective License Plate Sheeting Compatible with Laser Printing
EP3036097B1 (en) * 2013-08-19 2020-09-23 3M Innovative Properties Company Retroreflective sheeting including a substantially amorphous polymeric layer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617921B2 (ja) * 1984-03-15 1994-03-09 西武ポリマ化成株式会社 セル状反射シート
US4763985A (en) * 1986-08-01 1988-08-16 Minnesota Mining And Manufacturing Company Retroreflective sheet with enhanced brightness
US4896943A (en) * 1987-05-13 1990-01-30 Minnesota Mining And Manufacturing Company Encapsulated-lens retroreflective sheeting having improved cover film
CA1287458C (en) * 1987-05-15 1991-08-13 Roger R. Kult Cellular, encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet
US5378520A (en) * 1992-12-16 1995-01-03 Minnesota Mining And Manufacturing Company Supported encapsulated-lens retroreflective sheeting

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9701118A1 *

Also Published As

Publication number Publication date
AU6286596A (en) 1997-01-22
CA2222508A1 (en) 1997-01-09
JP4025890B2 (ja) 2007-12-26
AU699901B2 (en) 1998-12-17
JPH11508374A (ja) 1999-07-21
WO1997001118A1 (en) 1997-01-09
KR19990028290A (ko) 1999-04-15

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19980121

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT NL

17Q First examination report despatched

Effective date: 19980423

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19990810