CA1105696A - Tungsten hexacarbonyl in plastic lenses - Google Patents
Tungsten hexacarbonyl in plastic lensesInfo
- Publication number
- CA1105696A CA1105696A CA286,838A CA286838A CA1105696A CA 1105696 A CA1105696 A CA 1105696A CA 286838 A CA286838 A CA 286838A CA 1105696 A CA1105696 A CA 1105696A
- Authority
- CA
- Canada
- Prior art keywords
- glycol bis
- allyl carbonate
- article
- tungsten
- monomer
- 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
Links
- FQNHWXHRAUXLFU-UHFFFAOYSA-N carbon monoxide;tungsten Chemical group [W].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] FQNHWXHRAUXLFU-UHFFFAOYSA-N 0.000 title claims abstract description 53
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 35
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 claims abstract description 21
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 13
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010937 tungsten Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 23
- 230000005855 radiation Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000002835 absorbance Methods 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- JHQVCQDWGSXTFE-UHFFFAOYSA-N 2-(2-prop-2-enoxycarbonyloxyethoxy)ethyl prop-2-enyl carbonate Chemical group C=CCOC(=O)OCCOCCOC(=O)OCC=C JHQVCQDWGSXTFE-UHFFFAOYSA-N 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000012934 organic peroxide initiator Substances 0.000 claims 1
- NNWNNQTUZYVQRK-UHFFFAOYSA-N 5-bromo-1h-pyrrolo[2,3-c]pyridine-2-carboxylic acid Chemical compound BrC1=NC=C2NC(C(=O)O)=CC2=C1 NNWNNQTUZYVQRK-UHFFFAOYSA-N 0.000 abstract description 13
- 229920002574 CR-39 Polymers 0.000 abstract description 12
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000006096 absorbing agent Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 22
- -1 i.e. Chemical compound 0.000 description 9
- 238000002834 transmittance Methods 0.000 description 8
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- GCYHRYNSUGLLMA-UHFFFAOYSA-N 2-prop-2-enoxyethanol Chemical compound OCCOCC=C GCYHRYNSUGLLMA-UHFFFAOYSA-N 0.000 description 5
- 125000002947 alkylene group Chemical group 0.000 description 5
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- KPGXUAIFQMJJFB-UHFFFAOYSA-H tungsten hexachloride Chemical compound Cl[W](Cl)(Cl)(Cl)(Cl)Cl KPGXUAIFQMJJFB-UHFFFAOYSA-H 0.000 description 5
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- JREYOWJEWZVAOR-UHFFFAOYSA-N triazanium;[3-methylbut-3-enoxy(oxido)phosphoryl] phosphate Chemical compound [NH4+].[NH4+].[NH4+].CC(=C)CCOP([O-])(=O)OP([O-])([O-])=O JREYOWJEWZVAOR-UHFFFAOYSA-N 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 3
- 239000004342 Benzoyl peroxide Substances 0.000 description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 240000001987 Pyrus communis Species 0.000 description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- NSGQRLUGQNBHLD-UHFFFAOYSA-N butan-2-yl butan-2-yloxycarbonyloxy carbonate Chemical compound CCC(C)OC(=O)OOC(=O)OC(C)CC NSGQRLUGQNBHLD-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- MMCOUVMKNAHQOY-UHFFFAOYSA-L oxido carbonate Chemical compound [O-]OC([O-])=O MMCOUVMKNAHQOY-UHFFFAOYSA-L 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000011150 stannous chloride Nutrition 0.000 description 2
- 239000001119 stannous chloride Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical group CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 1
- DIOZVWSHACHNRT-UHFFFAOYSA-N 2-(2-prop-2-enoxyethoxy)ethanol Chemical compound OCCOCCOCC=C DIOZVWSHACHNRT-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 229910008940 W(CO)6 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
- C09K9/02—Organic tenebrescent materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
- G03C1/735—Organo-metallic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Optical Filters (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/728,561 US4069168A (en) | 1976-10-01 | 1976-10-01 | Tungsten hexacarbonyl in plastic lenses |
| US728,561 | 1976-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1105696A true CA1105696A (en) | 1981-07-28 |
Family
ID=24927349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,838A Expired CA1105696A (en) | 1976-10-01 | 1977-09-15 | Tungsten hexacarbonyl in plastic lenses |
Country Status (12)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181626A (en) * | 1977-12-27 | 1980-01-01 | Ppg Industries, Inc. | Method of preparing tungsten hexacarbonyl containing polymers and polymers prepared thereby |
| US4273702A (en) * | 1980-02-04 | 1981-06-16 | Ppg Industries, Inc. | Cobalt aluminate internal colorants for diol bis (allyl carbonate) |
| US4297267A (en) * | 1980-02-04 | 1981-10-27 | Ppg Industries, Inc. | Hexavalent chromium internal colorants for diol bis (allyl carbonate) polymerizates |
| US4396737A (en) * | 1981-11-19 | 1983-08-02 | Ppg Industries, Inc. | Polymerization of polyol allyl carbonate using polymerization initiators of short and long half lives |
| US4464525A (en) * | 1983-04-11 | 1984-08-07 | Ppg Industries, Inc. | Near infrared absorbing polymerizate, from dicarboxylic compound, diol bis(allyl carbonate) and metal hexacarbonyl |
| US4675357A (en) * | 1983-04-18 | 1987-06-23 | Ppg Industries, Inc. | Near infrared absorbing polymerizate |
| US4576891A (en) * | 1984-06-15 | 1986-03-18 | The Mead Corporation | Photosensitive microcapsules useful in polychromatic imaging having radiation absorber |
| GB8427328D0 (en) * | 1984-10-29 | 1996-09-25 | Secr Defence | Photochromic active optical filters |
| US6201037B1 (en) | 1986-01-28 | 2001-03-13 | Ophthalmic Research Group International, Inc. | Plastic lens composition and method for the production thereof |
| US5364256A (en) * | 1986-01-28 | 1994-11-15 | Ophthalmic Research Group International, Inc. | Apparatus for the production of plastic lenses |
| US5415816A (en) | 1986-01-28 | 1995-05-16 | Q2100, Inc. | Method for the production of plastic lenses |
| US5529728A (en) * | 1986-01-28 | 1996-06-25 | Q2100, Inc. | Process for lens curing and coating |
| US6730244B1 (en) | 1986-01-28 | 2004-05-04 | Q2100, Inc. | Plastic lens and method for the production thereof |
| US5514214A (en) * | 1993-09-20 | 1996-05-07 | Q2100, Inc. | Eyeglass lens and mold spin coater |
| US6022498A (en) | 1996-04-19 | 2000-02-08 | Q2100, Inc. | Methods for eyeglass lens curing using ultraviolet light |
| US6280171B1 (en) | 1996-06-14 | 2001-08-28 | Q2100, Inc. | El apparatus for eyeglass lens curing using ultraviolet light |
| US7619680B1 (en) | 2003-07-08 | 2009-11-17 | Bingle Robert L | Vehicular imaging system with selective infrared filtering and supplemental illumination |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2403113A (en) * | 1942-03-07 | 1946-07-02 | Pittsburgh Plate Glass Co | Unsaturated carbonate ester and polymer thereof |
| US3222432A (en) * | 1958-06-12 | 1965-12-07 | Lentilles Ophtalmiques Rationn | Methods of producing optical and ophthalmic lenses from thermosetting resin materials |
| US3293037A (en) * | 1962-11-21 | 1966-12-20 | American Cyanamid Co | Compositions of matter comprising inorganic photochromic material dispersed in an aminoplast resin |
| US3317321A (en) * | 1962-11-21 | 1967-05-02 | American Cyanamid Co | Photochromic compositions comprising doped inorganic metal oxides suspended in polyester binders |
| US3397059A (en) * | 1964-07-01 | 1968-08-13 | American Cyanamid Co | Photochromic polymethylmethacrylate element on contact with polyester resinous material |
| US3355294A (en) * | 1964-12-09 | 1967-11-28 | American Cyanamid Co | Photochromic compositions containing bleaching rate accelerators |
| US3576755A (en) * | 1964-09-24 | 1971-04-27 | American Cyanamid Co | Photochromism in plastic film containing inorganic materials |
| US3475339A (en) * | 1965-08-17 | 1969-10-28 | American Cyanamid Co | Aqueous dispersion of photochromic mercuric complexes of diaryl thiocarbazones and dyeing procedure employing same |
| US3692688A (en) * | 1971-06-01 | 1972-09-19 | American Cyanamid Co | Plastic optical filter |
-
1976
- 1976-10-01 US US05/728,561 patent/US4069168A/en not_active Expired - Lifetime
-
1977
- 1977-09-15 CA CA286,838A patent/CA1105696A/en not_active Expired
- 1977-09-21 IL IL52976A patent/IL52976A/xx unknown
- 1977-09-22 AU AU29019/77A patent/AU508307B2/en not_active Expired
- 1977-09-27 MX MX170721A patent/MX150465A/es unknown
- 1977-09-28 NL NL7710577.A patent/NL161197C/xx not_active IP Right Cessation
- 1977-09-28 BE BE181262A patent/BE859139A/xx not_active IP Right Cessation
- 1977-09-29 DE DE2743811A patent/DE2743811C3/de not_active Expired
- 1977-09-29 BR BR7706492A patent/BR7706492A/pt unknown
- 1977-09-30 GB GB40644/77A patent/GB1544348A/en not_active Expired
- 1977-09-30 FR FR7729515A patent/FR2366349A1/fr active Granted
- 1977-09-30 JP JP11781377A patent/JPS5344490A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2743811B2 (de) | 1980-10-30 |
| BE859139A (fr) | 1978-03-28 |
| NL161197C (nl) | 1980-01-15 |
| NL7710577A (nl) | 1978-04-04 |
| FR2366349A1 (fr) | 1978-04-28 |
| AU508307B2 (en) | 1980-03-13 |
| BR7706492A (pt) | 1978-08-01 |
| IL52976A (en) | 1980-12-31 |
| MX150465A (es) | 1984-05-14 |
| DE2743811C3 (de) | 1981-09-17 |
| JPS5648548B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-11-16 |
| GB1544348A (en) | 1979-04-19 |
| FR2366349B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-01 |
| NL161197B (nl) | 1979-08-15 |
| JPS5344490A (en) | 1978-04-21 |
| US4069168A (en) | 1978-01-17 |
| DE2743811A1 (de) | 1978-04-06 |
| AU2901977A (en) | 1979-03-29 |
| IL52976A0 (en) | 1977-11-30 |
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