DE2954522C2 - - Google Patents

Info

Publication number
DE2954522C2
DE2954522C2 DE2954522A DE2954522A DE2954522C2 DE 2954522 C2 DE2954522 C2 DE 2954522C2 DE 2954522 A DE2954522 A DE 2954522A DE 2954522 A DE2954522 A DE 2954522A DE 2954522 C2 DE2954522 C2 DE 2954522C2
Authority
DE
Germany
Prior art keywords
polymer
methyl
ionic
acid
groups
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.)
Expired
Application number
DE2954522A
Other languages
German (de)
English (en)
Inventor
Edward Joseph Rowley Mass. Us Ellis
Joseph Charles Marblehead Mass. Us Salamone
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.)
Polymer Technology Corp
Original Assignee
Polymer Technology Corp
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 Polymer Technology Corp filed Critical Polymer Technology Corp
Application granted granted Critical
Publication of DE2954522C2 publication Critical patent/DE2954522C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/74—Synthetic polymeric materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0048—Eye, e.g. artificial tears
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L12/00—Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor
    • A61L12/08—Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor using chemical substances
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/26—Cellulose ethers
    • C08J2301/28—Alkyl ethers

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Eyeglasses (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Surface Treatment Of Optical Elements (AREA)
DE2954522A 1978-01-05 1979-01-04 Expired DE2954522C2 (en, 2012)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/867,136 US4168112A (en) 1978-01-05 1978-01-05 Contact lens with a hydrophilic, polyelectrolyte complex coating and method for forming same
US06/051,961 US4321261A (en) 1978-01-05 1979-06-25 Ionic ophthalmic solutions
AU90670/82A AU567665B2 (en) 1978-01-05 1982-11-17 Hydrophilic contact lens coating solution

Publications (1)

Publication Number Publication Date
DE2954522C2 true DE2954522C2 (en, 2012) 1989-03-02

Family

ID=36764310

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2954522A Expired DE2954522C2 (en, 2012) 1978-01-05 1979-01-04
DE19792900270 Granted DE2900270A1 (de) 1978-01-05 1979-01-04 Kontaktlinse mit hydrophiler beschichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19792900270 Granted DE2900270A1 (de) 1978-01-05 1979-01-04 Kontaktlinse mit hydrophiler beschichtung

Country Status (7)

Country Link
US (2) US4168112A (en, 2012)
JP (2) JPS54116947A (en, 2012)
AU (2) AU527065B2 (en, 2012)
CA (1) CA1152259A (en, 2012)
DE (2) DE2954522C2 (en, 2012)
FR (1) FR2414207B1 (en, 2012)
GB (1) GB2012070B (en, 2012)

Families Citing this family (142)

* Cited by examiner, † Cited by third party
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Also Published As

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FR2414207B1 (fr) 1985-07-19
GB2012070A (en) 1979-07-18
DE2900270C2 (en, 2012) 1989-05-11
US4321261A (en) 1982-03-23
JPS54116947A (en) 1979-09-11
GB2012070B (en) 1982-07-07
US4168112A (en) 1979-09-18
AU9067082A (en) 1983-05-12
FR2414207A1 (fr) 1979-08-03
JPH0261017B2 (en, 2012) 1990-12-18
AU4316979A (en) 1979-07-12
CA1152259A (en) 1983-08-23
AU527065B2 (en) 1983-02-17
AU567665B2 (en) 1987-12-03
JPS6339882B2 (en, 2012) 1988-08-08
JPS63246718A (ja) 1988-10-13
DE2900270A1 (de) 1979-07-19

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