UST896013I4 - Defensive publication - Google Patents

Defensive publication Download PDF

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Publication number
UST896013I4
UST896013I4 US896013DH UST896013I4 US T896013 I4 UST896013 I4 US T896013I4 US 896013D H US896013D H US 896013DH US T896013 I4 UST896013 I4 US T896013I4
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US
United States
Prior art keywords
copolymers
defensive publication
weight
methyl methacrylate
alcohol
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
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 filed Critical
Application granted granted Critical
Publication of UST896013I4 publication Critical patent/UST896013I4/en
Pending legal-status Critical Current

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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
    • 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
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
    • 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

Definitions

  • Copolymers of methyl methaerylate and Z-phenylallyl alcohol are provided wherein the copolymers are derived from between about 99% and about 99.9% by weight of methyl methacrylate and between about 0.1% and about 1% by weight of 2-phenyla1lyl alcohol.
  • the copolymers have an inherent viscosity of at least 0.44 and may be molded into shaped structures such as lenses.

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)

Abstract

COPOLYMERS OF METHYL METHACRYLATE AND 2-PHENYLALLYL ALCOHOL ARE PROVIDED WHEREIN THE COPOLYMERS ARE DERIVED FROM BETWEEN ABOUT 99% AND ABOUT 99.9% BY WEIGHT OF METHYL METHACRYLATE AND BETWEEN ABOUT 0.1% AND ABOUT 1% BY WEIGHT OF 2-PHENYLALLYL ALCOHOL. THE COPOLYMERS HAVE AN INHERENT VISOCITY OF AT LEAST 0.44 AND MAY BE MOLDED INTO SHAPED STRUCTURES SUCH AS LENSES.

Description

DEEENSWE ULTCATIQN UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.
Defensive Publication applications have not'been examined as to the merits of alleged invention. The Patent Office makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED MARCH 7, 1972 T896,013 COPOLYMERS 01F METHYL METHACRYLATE Eugene P. Reilly, Wilmington, Del., assignor to E. I. du Pont de Nemours and Company, Wilmington, Del. Filed Dec. 18, 1970, Ser. No. 99,514 Int. Cl. C08t 15/18 U.S. Cl. 26086.1 R No Drawing. 9 Pages Specification Copolymers of methyl methaerylate and Z-phenylallyl alcohol are provided wherein the copolymers are derived from between about 99% and about 99.9% by weight of methyl methacrylate and between about 0.1% and about 1% by weight of 2-phenyla1lyl alcohol. The copolymers have an inherent viscosity of at least 0.44 and may be molded into shaped structures such as lenses.
US896013D 1970-12-18 1970-12-18 Defensive publication Pending UST896013I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9951470A 1970-12-18 1970-12-18

Publications (1)

Publication Number Publication Date
UST896013I4 true UST896013I4 (en) 1972-03-07

Family

ID=22275364

Family Applications (1)

Application Number Title Priority Date Filing Date
US896013D Pending UST896013I4 (en) 1970-12-18 1970-12-18 Defensive publication

Country Status (1)

Country Link
US (1) UST896013I4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3043403A1 (en) * 2015-11-10 2017-05-12 Jean Terrisse ACRYLIC, HYDROPHOBIC, RETICULATED COPOLYMER BASED ON CINNAMIC ALCOHOL FOR INTRAOCULAR LENSES.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3043403A1 (en) * 2015-11-10 2017-05-12 Jean Terrisse ACRYLIC, HYDROPHOBIC, RETICULATED COPOLYMER BASED ON CINNAMIC ALCOHOL FOR INTRAOCULAR LENSES.
WO2017081425A1 (en) * 2015-11-10 2017-05-18 Acrylian Acrylic copolymer, which is hydrophobic, cross-linked and based on cinnamic alcohol, for intraocular lenses

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