FR2185653A1 - Contact lens - of polycarbonate - siloxane copolymer - Google Patents

Contact lens - of polycarbonate - siloxane copolymer

Info

Publication number
FR2185653A1
FR2185653A1 FR7318111A FR7318111A FR2185653A1 FR 2185653 A1 FR2185653 A1 FR 2185653A1 FR 7318111 A FR7318111 A FR 7318111A FR 7318111 A FR7318111 A FR 7318111A FR 2185653 A1 FR2185653 A1 FR 2185653A1
Authority
FR
France
Prior art keywords
contact lens
polycarbonate
siloxane copolymer
siloxane
stigmatic
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.)
Pending
Application number
FR7318111A
Other languages
English (en)
French (fr)
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.)
BIOCONTACTS
Original Assignee
BIOCONTACTS
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 BIOCONTACTS filed Critical BIOCONTACTS
Publication of FR2185653A1 publication Critical patent/FR2185653A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/18—Block or graft polymers
    • C08G64/186—Block or graft polymers containing polysiloxane sequences
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/445—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences
    • C08G77/448—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences containing polycarbonate sequences

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Silicon Polymers (AREA)
FR7318111A 1972-05-19 1973-05-18 Contact lens - of polycarbonate - siloxane copolymer Pending FR2185653A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25522072A 1972-05-19 1972-05-19

Publications (1)

Publication Number Publication Date
FR2185653A1 true FR2185653A1 (en) 1974-01-04

Family

ID=22967363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318111A Pending FR2185653A1 (en) 1972-05-19 1973-05-18 Contact lens - of polycarbonate - siloxane copolymer

Country Status (6)

Country Link
JP (1) JPS4956643A (enExample)
AU (1) AU5547673A (enExample)
DE (1) DE2324654A1 (enExample)
FR (1) FR2185653A1 (enExample)
IT (1) IT1048120B (enExample)
ZA (1) ZA732799B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478981A (en) * 1982-03-22 1984-10-23 Petrarch Systems Inc. Mixtures of polyacrylate resins and siloxane carbonate copolymers
WO1994029756A3 (en) * 1993-06-16 1995-01-26 Rasor Ass Inc Ocular lens composition and method of formation
US5438098A (en) * 1991-03-25 1995-08-01 Nippon Petrochemicals Co., Ltd. Thermoplastic resin composition

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636522A (ja) * 1986-06-26 1988-01-12 Tome Sangyo Kk コンタクトレンズ
US5260000A (en) * 1992-08-03 1993-11-09 Bausch & Lomb Incorporated Process for making silicone containing hydrogel lenses
JP4810099B2 (ja) 2005-01-20 2011-11-09 株式会社メニコン 透明ゲルおよびそれからなるコンタクトレンズ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478981A (en) * 1982-03-22 1984-10-23 Petrarch Systems Inc. Mixtures of polyacrylate resins and siloxane carbonate copolymers
US5438098A (en) * 1991-03-25 1995-08-01 Nippon Petrochemicals Co., Ltd. Thermoplastic resin composition
WO1994029756A3 (en) * 1993-06-16 1995-01-26 Rasor Ass Inc Ocular lens composition and method of formation
US5986001A (en) * 1993-06-16 1999-11-16 Rasor Associates, Inc. Ocular lens composition and method of formation

Also Published As

Publication number Publication date
AU5547673A (en) 1974-11-14
IT1048120B (it) 1980-11-20
ZA732799B (en) 1974-04-24
JPS4956643A (enExample) 1974-06-01
DE2324654A1 (de) 1973-11-29

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