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
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
  • A01N25/10—Macromolecular compounds
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K6/00—Preparations for dentistry
  • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
  • A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
  • A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
  • B01D71/06—Organic material
  • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
  • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
  • B01D71/4011—Polymethylmethacrylate
• • 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
  • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
  • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
  • C08F220/10—Esters
  • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
  • C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
  • C08F220/282—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing two or more oxygen atoms

Landscapes

• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Physics & Mathematics (AREA)
• General Health & Medical Sciences (AREA)
• Oral & Maxillofacial Surgery (AREA)
• Organic Chemistry (AREA)
• Polymers & Plastics (AREA)
• Medicinal Chemistry (AREA)
• Optics & Photonics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Dentistry (AREA)
• Epidemiology (AREA)
• Animal Behavior & Ethology (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Environmental Sciences (AREA)
• Zoology (AREA)
• Wood Science & Technology (AREA)
• Plastic & Reconstructive Surgery (AREA)
• Toxicology (AREA)
• Plant Pathology (AREA)
• Pest Control & Pesticides (AREA)
• Agronomy & Crop Science (AREA)
• Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
• Eyeglasses (AREA)
• Materials For Medical Uses (AREA)
• Polymerisation Methods In General (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=23131552

Family Applications (1)

Country Status (19)

Families Citing this family (2)

• 1973
  • 1973-09-06 ZA ZA00737138A patent/ZA737138B/en unknown
  • 1973-09-14 SE SE7312537A patent/SE398647B/en unknown
  • 1973-09-17 GB GB4358973A patent/GB1419437A/en not_active Expired
  • 1973-09-21 CA CA181,626A patent/CA1002235A/en not_active Expired
  • 1973-09-24 FR FR7334185A patent/FR2201307B1/fr not_active Expired
  • 1973-09-24 BE BE135956A patent/BE805215A/en not_active IP Right Cessation
  • 1973-09-27 NL NLAANVRAGE7313318,A patent/NL177601C/en not_active IP Right Cessation
  • 1973-09-27 DD DD181173*A patent/DD113556A5/xx unknown
  • 1973-09-27 DD DD173724A patent/DD109880A5/xx unknown
  • 1973-09-28 IT IT29576/73A patent/IT995537B/en active
  • 1973-09-28 BR BR7579/73A patent/BR7307579D0/en unknown
  • 1973-09-30 IL IL43340A patent/IL43340A/en unknown
  • 1973-10-01 JP JP48109405A patent/JPS5750803B2/ja not_active Expired
  • 1973-10-01 SU SU731964203A patent/SU609473A3/en active
  • 1973-10-01 DK DK533873A patent/DK150526C/en not_active IP Right Cessation
  • 1973-10-02 ES ES419240A patent/ES419240A1/en not_active Expired
  • 1973-10-02 DE DE2349528A patent/DE2349528C2/en not_active Expired
  • 1973-10-02 CH CH1407173A patent/CH621562A5/en not_active IP Right Cessation
  • 1973-10-02 AT AT842673A patent/AT339596B/en not_active IP Right Cessation
  • 1973-10-02 AR AR250341A patent/AR216881A1/en active
• 1982
  • 1982-06-01 JP JP57093947A patent/JPS589121A/en active Granted

Also Published As

Similar Documents

Legal Events