CA1214592A - Cristaux liquides a base de polymere - Google Patents
Cristaux liquides a base de polymereInfo
- Publication number
- CA1214592A CA1214592A CA000431937A CA431937A CA1214592A CA 1214592 A CA1214592 A CA 1214592A CA 000431937 A CA000431937 A CA 000431937A CA 431937 A CA431937 A CA 431937A CA 1214592 A CA1214592 A CA 1214592A
- Authority
- CA
- Canada
- Prior art keywords
- film
- hereof
- set forth
- alkylene
- composition
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 41
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 230000003098 cholesteric effect Effects 0.000 claims abstract description 32
- 239000000178 monomer Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000004044 response Effects 0.000 claims abstract description 22
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 23
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 11
- 239000002178 crystalline material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 125000005587 carbonate group Chemical group 0.000 claims description 7
- -1 alkylene ether Chemical class 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 5
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims 18
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims 12
- 230000000873 masking effect Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 11
- 239000003999 initiator Substances 0.000 description 16
- 235000018936 Vitellaria paradoxa Nutrition 0.000 description 14
- 238000006116 polymerization reaction Methods 0.000 description 11
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 8
- 239000005977 Ethylene Substances 0.000 description 8
- 125000000816 ethylene group Chemical class [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 8
- 229920000180 alkyd Polymers 0.000 description 7
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 6
- 235000012000 cholesterol Nutrition 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 3
- 150000001841 cholesterols Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004990 Smectic liquid crystal Substances 0.000 description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate group Chemical group C(C(=C)C)(=O)[O-] CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- QYIXCDOBOSTCEI-UJOPKFNNSA-N (3s,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-3-ol Chemical compound C1CC2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 QYIXCDOBOSTCEI-UJOPKFNNSA-N 0.000 description 1
- PIZHFBODNLEQBL-UHFFFAOYSA-N 2,2-diethoxy-1-phenylethanone Chemical compound CCOC(OCC)C(=O)C1=CC=CC=C1 PIZHFBODNLEQBL-UHFFFAOYSA-N 0.000 description 1
- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 description 1
- ZCDADJXRUCOCJE-UHFFFAOYSA-N 2-chlorothioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(Cl)=CC=C3SC2=C1 ZCDADJXRUCOCJE-UHFFFAOYSA-N 0.000 description 1
- MVRPPTGLVPEMPI-UHFFFAOYSA-N 2-cyclohexylphenol Chemical compound OC1=CC=CC=C1C1CCCCC1 MVRPPTGLVPEMPI-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N 2-propanol Substances CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- HTWRFCRQSLVESJ-UHFFFAOYSA-N 3-(2-methylprop-2-enoyloxy)propyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCOC(=O)C(C)=C HTWRFCRQSLVESJ-UHFFFAOYSA-N 0.000 description 1
- LYKRIFJRHXXXDZ-UHFFFAOYSA-N 4-(4-hydroxybutoxy)butan-1-ol Chemical compound OCCCCOCCCCO LYKRIFJRHXXXDZ-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- 235000009434 Actinidia chinensis Nutrition 0.000 description 1
- 244000298697 Actinidia deliciosa Species 0.000 description 1
- 235000009436 Actinidia deliciosa Nutrition 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229960004424 carbon dioxide Drugs 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002983 circular dichroism Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 229940093476 ethylene glycol Drugs 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical class CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- YDZANNORUSYHFB-UHFFFAOYSA-N phenacyl benzoate Chemical compound C=1C=CC=CC=1C(=O)COC(=O)C1=CC=CC=C1 YDZANNORUSYHFB-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- ZDPHROOEEOARMN-UHFFFAOYSA-N undecanoic acid Chemical compound CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/36—Steroidal liquid crystal compounds
-
- 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
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
- C09K2019/0448—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Liquid Crystal Substances (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45008982A | 1982-12-15 | 1982-12-15 | |
| US450,089 | 1982-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1214592A true CA1214592A (fr) | 1986-11-25 |
Family
ID=23786723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000431937A Expired CA1214592A (fr) | 1982-12-15 | 1983-07-06 | Cristaux liquides a base de polymere |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS59109505A (fr) |
| BE (1) | BE897871A (fr) |
| CA (1) | CA1214592A (fr) |
| DE (1) | DE3340954C2 (fr) |
| FR (1) | FR2537989B1 (fr) |
| GB (1) | GB2132623B (fr) |
| LU (1) | LU85102A1 (fr) |
| NL (1) | NL186584C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5629055A (en) * | 1994-02-14 | 1997-05-13 | Pulp And Paper Research Institute Of Canada | Solidified liquid crystals of cellulose with optically variable properties |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2572813A1 (fr) * | 1984-11-07 | 1986-05-09 | Armstrong World Ind Inc | Procede pour preparer des revetements liquides polymeres presentant des reponses optiques multiples et revetements ainsi obtenus |
| US4780383A (en) * | 1985-02-27 | 1988-10-25 | Armstrong World Industries, Inc. | Optical storage system having expanded capacity |
| GB2185487B (en) * | 1986-01-16 | 1990-06-06 | Gen Electric Plc | Electro-optical material |
| JPH02167527A (ja) * | 1986-05-19 | 1990-06-27 | Seiko Epson Corp | 液晶装置 |
| US5073294A (en) * | 1990-03-07 | 1991-12-17 | Hercules Incorporated | Process of preparing compositions having multiple oriented mesogens |
| JP2630044B2 (ja) * | 1990-07-17 | 1997-07-16 | 凸版印刷株式会社 | 可逆性感熱記録媒体およびその製造方法 |
| JP2630045B2 (ja) * | 1990-09-21 | 1997-07-16 | 凸版印刷株式会社 | 可逆性感熱記録媒体およびその製造方法 |
| DE4418075C2 (de) * | 1994-05-24 | 2000-06-29 | Daimler Chrysler Ag | Effektlack bzw. Effektlackierung, insbesondere für Fahrzeugkarosserien, unter Verwendung von flüssigkristallinen Interferenzpigmenten |
| DE4441651A1 (de) * | 1994-11-23 | 1996-04-25 | Basf Ag | Verfahren zur oberflächlichen Beschichtung von Substraten |
| DE19520704A1 (de) * | 1995-06-09 | 1996-12-12 | Basf Ag | Polymerisierbare chirale Verbindungen und deren Verwendung |
| GB2321717A (en) | 1997-01-31 | 1998-08-05 | Sharp Kk | Cholesteric optical filters |
| DE19745647A1 (de) * | 1997-10-15 | 1999-04-22 | Basf Ag | Wärmeisolationsbeschichtung |
| US7879256B2 (en) * | 2006-03-31 | 2011-02-01 | E. I. Du Pont De Nemours And Company | Liquid crystal compositions, polymer networks derived therefrom and process for making the same |
| JP5119736B2 (ja) * | 2006-06-29 | 2013-01-16 | Ｊｎｃ株式会社 | 重合性液晶組成物およびその用途 |
| JP5510483B2 (ja) * | 2006-06-29 | 2014-06-04 | Ｊｎｃ株式会社 | 重合性液晶組成物およびその用途 |
| JP5262076B2 (ja) * | 2007-11-14 | 2013-08-14 | Ｊｎｃ株式会社 | 重合性メントール誘導体 |
| JP2011137850A (ja) * | 2009-12-25 | 2011-07-14 | Dainippon Printing Co Ltd | 赤外線反射部材 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409404A (en) * | 1963-11-13 | 1968-11-05 | Westinghouse Electric Corp | Analytical methods and devices employing cholesteric liquid crystalline materials |
| US3594126A (en) * | 1969-04-30 | 1971-07-20 | Westinghouse Electric Corp | Temperature-limit detection |
| CA1255653A (fr) * | 1982-12-15 | 1989-06-13 | Paul J. Shannon | Materiaux cristallins liquides pouvant servir a la preparation de pellicules de polymere |
-
1983
- 1983-07-06 CA CA000431937A patent/CA1214592A/fr not_active Expired
- 1983-08-02 JP JP14066683A patent/JPS59109505A/ja active Granted
- 1983-09-29 BE BE0/211610A patent/BE897871A/fr not_active IP Right Cessation
- 1983-11-11 DE DE19833340954 patent/DE3340954C2/de not_active Expired
- 1983-11-25 LU LU85102A patent/LU85102A1/de unknown
- 1983-12-02 FR FR8319297A patent/FR2537989B1/fr not_active Expired
- 1983-12-13 NL NL8304277A patent/NL186584C/xx not_active IP Right Cessation
- 1983-12-14 GB GB8333324A patent/GB2132623B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5629055A (en) * | 1994-02-14 | 1997-05-13 | Pulp And Paper Research Institute Of Canada | Solidified liquid crystals of cellulose with optically variable properties |
Also Published As
| Publication number | Publication date |
|---|---|
| BE897871A (fr) | 1984-01-16 |
| GB2132623B (en) | 1987-06-10 |
| DE3340954A1 (de) | 1984-07-19 |
| FR2537989B1 (fr) | 1987-06-05 |
| NL186584B (nl) | 1991-01-02 |
| JPS59109505A (ja) | 1984-06-25 |
| GB8333324D0 (en) | 1984-01-18 |
| GB2132623A (en) | 1984-07-11 |
| DE3340954C2 (de) | 1986-07-17 |
| NL186584C (nl) | 1991-01-02 |
| NL8304277A (nl) | 1984-07-02 |
| JPH0224297B2 (fr) | 1990-05-29 |
| FR2537989A1 (fr) | 1984-06-22 |
| LU85102A1 (de) | 1984-04-02 |
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