BE725466A - - Google Patents

Info

Publication number: BE725466A
Authority: BE; Belgium

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.)

1967-12-15

Filing date

1968-12-13

Publication date

1969-06-13

1968-12-13 Application filed filed Critical

1969-06-13 Publication of BE725466A publication Critical patent/BE725466A/xx

Classifications

- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Health & Medical Sciences (AREA)
Ophthalmology & Optometry (AREA)
Compositions Of Macromolecular Compounds (AREA)
Polarising Elements (AREA)

BE725466D 1967-12-15 1968-12-13 BE725466A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US69092567A	1967-12-15	1967-12-15

Publications (1)

Publication Number	Publication Date
BE725466A true BE725466A (de)	1969-06-13

Family

ID=24774515

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE725466D BE725466A (de)	1967-12-15	1968-12-13

Country Status (8)

Country	Link
US (1)	US3549248A (de)
AT (1)	AT295885B (de)
BE (1)	BE725466A (de)
CH (1)	CH519528A (de)
DE (1)	DE1814566A1 (de)
FR (1)	FR1596101A (de)
GB (1)	GB1184008A (de)
NL (1)	NL170636C (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4135792A (en) *	1976-02-20	1979-01-23	American Optical Corporation	All plastic spectacles
US4160584A (en) *	1976-05-17	1979-07-10	Polaroid Corporation	Transparent metallic coating and a glass overcoating on a plastic substrate produce a chromatic effect
US4278736A (en) *	1979-01-05	1981-07-14	Optical Coating Laboratory, Inc.	Contrast enhancement filter and method
GB2165545B (en) *	1984-10-16	1988-03-30	Du Pont	Pellicle structure for transmission of mid ultraviolet light
US4796973A (en) *	1984-10-16	1989-01-10	Tau Laboratories, Inc.	Pellicle structure for transmission of mid ultraviolet light
FR2743427B1 (fr) *	1996-01-05	1998-03-13	Sgcn	Oculaire pour lunettes et son procede et dispositif de fabrication
ITMI20131582A1 (it) *	2013-09-25	2015-03-26	Mazzucchelli 1949 S P A	Processo di fabbricazione di un prodotto a base di acetato di cellulosa con colorazione sfumata e prodotto ottenuto con tale processo.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB534751A (en) *	1938-12-24	1941-03-17	Hercules Powder Co Ltd	Improvements in or relating to molding compositions
US2601460A (en) *	1949-03-04	1952-06-24	Celanese Corp	Process for dyeing cellulose acetate articles using a bath comprising a dispersed acetate dye, ethylene glycol monobutyl ether, and an emulsion of polymethyl vinyl ketone
US2712774A (en) *	1952-07-31	1955-07-12	Austin B Belgard	Plastic eyeglass frame and method of forming same
US3097106A (en) *	1962-12-26	1963-07-09	Polaroid Corp	Method of applying a mar-resistant surface coating to thermoplastic sheets

1967
- 1967-12-15 US US690925A patent/US3549248A/en not_active Expired - Lifetime
1968
- 1968-12-13 NL NLAANVRAGE6817920,A patent/NL170636C/xx not_active IP Right Cessation
- 1968-12-13 AT AT1219068A patent/AT295885B/de not_active IP Right Cessation
- 1968-12-13 BE BE725466D patent/BE725466A/xx not_active IP Right Cessation
- 1968-12-13 CH CH1863468A patent/CH519528A/de not_active IP Right Cessation
- 1968-12-13 FR FR1596101D patent/FR1596101A/fr not_active Expired
- 1968-12-13 DE DE19681814566 patent/DE1814566A1/de active Pending
- 1968-12-13 GB GB59483/68A patent/GB1184008A/en not_active Expired

Also Published As

Publication number	Publication date
CH519528A (de)	1972-02-29
DE1814566A1 (de)	1969-12-04
AT295885B (de)	1972-01-25
US3549248A (en)	1970-12-22
FR1596101A (de)	1970-06-15
NL6817920A (de)	1969-06-17
NL170636C (nl)	1982-12-01
GB1184008A (en)	1970-03-11
NL170636B (nl)	1982-07-01

Publication	Publication Date	Title
AU5765369A (de)	1971-02-11
AT298283B (de)	1972-03-15
FR1596101A (de)	1970-06-15
AU342066A (de)	1968-09-19
AU610966A (de)	1968-11-28
AU1273466A (de)	1969-04-24
AU2454867A (de)	1969-01-16
AU2528767A (de)	1970-01-08
AU2977667A (de)	1969-05-22
AU3151267A (de)	1968-01-08
AU3189468A (de)	1969-07-10
BE692198A (de)	1967-06-16
BE710683A (de)	1968-08-13
BE711129A (de)	1968-08-22
BE692654A (de)	1967-07-17
BE692577A (de)	1967-06-16
BE692553A (de)	1967-07-13
BE692552A (de)	1967-07-13
BE692493A (de)	1967-06-16
BE708918A (de)	1968-07-03
BE692409A (de)	1967-06-16
BE692374A (de)	1967-06-16
BE692332A (de)	1967-06-16
BE692199A (de)	1967-06-16
BE710693A (de)	1968-08-13

Legal Events

Date	Code	Title	Description
1986-06-30	RE	Patent lapsed	Owner name: INTERNATIONAL POLAROID CORP. Effective date: 19851231

Date

Code

Title

Description

1986-06-30

Patent lapsed

Owner name: INTERNATIONAL POLAROID CORP.

Effective date: 19851231