IT8049567A0 - Semilavorato per la produzione di lenti oftalmiche dotato di rivestimento protettivo e procedimento di trattamento - Google Patents

Semilavorato per la produzione di lenti oftalmiche dotato di rivestimento protettivo e procedimento di trattamento

Info

Publication number
IT8049567A0
IT8049567A0 IT8049567A IT4956780A IT8049567A0 IT 8049567 A0 IT8049567 A0 IT 8049567A0 IT 8049567 A IT8049567 A IT 8049567A IT 4956780 A IT4956780 A IT 4956780A IT 8049567 A0 IT8049567 A0 IT 8049567A0
Authority
IT
Italy
Prior art keywords
semi
production
finished product
protective coating
treatment procedure
Prior art date
Application number
IT8049567A
Other languages
English (en)
Other versions
IT1174302B (it
Inventor
Dean A Ersfeld
Timothi C Sandvig
Original Assignee
Minnesota Mining & Mfg
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 & Mfg filed Critical Minnesota Mining & Mfg
Publication of IT8049567A0 publication Critical patent/IT8049567A0/it
Application granted granted Critical
Publication of IT1174302B publication Critical patent/IT1174302B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • 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
    • B29D11/00865—Applying coatings; tinting; colouring
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
    • C08F299/022—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polycondensates with side or terminal unsaturations
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/671—Unsaturated compounds having only one group containing active hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
IT49567/80A 1979-08-29 1980-08-28 Semilavorato per la produzione di lenti optalmiche dotato di rivesti mento protettivo e procedimento di trattamento IT1174302B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7089179A 1979-08-29 1979-08-29

Publications (2)

Publication Number Publication Date
IT8049567A0 true IT8049567A0 (it) 1980-08-28
IT1174302B IT1174302B (it) 1987-07-01

Family

ID=22097987

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49567/80A IT1174302B (it) 1979-08-29 1980-08-28 Semilavorato per la produzione di lenti optalmiche dotato di rivesti mento protettivo e procedimento di trattamento

Country Status (7)

Country Link
EP (1) EP0034178B1 (it)
JP (1) JPS56501065A (it)
CA (1) CA1153985A (it)
DE (1) DE3071406D1 (it)
FR (1) FR2464487B1 (it)
IT (1) IT1174302B (it)
WO (1) WO1981000536A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712148A1 (de) * 1986-11-28 1988-06-09 Klaus Kassner Auflagerkoerper
JP2867690B2 (ja) * 1990-11-20 1999-03-08 松下電器産業株式会社 レンズアレイ光学系の製造方法
US5451281A (en) * 1994-01-18 1995-09-19 Lipman; Arnold Process for imparting scratch resistance to ophthalmic lenses during edging

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355342A (en) * 1965-02-26 1967-11-28 Armorlite Lens Company Inc Method of supporting lens blanks for grinding and polishing
US3840448A (en) * 1972-06-26 1974-10-08 Union Carbide Corp Surface curing of acrylyl or methacrylyl compounds using radiation of 2,537 angstroms
US4104099A (en) * 1977-01-27 1978-08-01 International Telephone And Telegraph Corporation Method and apparatus for lapping or polishing materials
US4131602A (en) * 1977-09-29 1978-12-26 Union Carbide Corporation Radiation curable acrylated polyurethane
US4221083A (en) * 1978-01-03 1980-09-09 Valley Industrial Products Heat shield blocking and mounting disc for lens grinding

Also Published As

Publication number Publication date
EP0034178A1 (en) 1981-08-26
EP0034178A4 (en) 1982-07-30
CA1153985A (en) 1983-09-20
JPS56501065A (it) 1981-07-30
DE3071406D1 (en) 1986-03-20
FR2464487A1 (fr) 1981-03-06
FR2464487B1 (fr) 1985-07-12
WO1981000536A1 (en) 1981-03-05
IT1174302B (it) 1987-07-01
EP0034178B1 (en) 1986-02-05

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