GB1330984A - Colour-developer compositions - Google Patents
Colour-developer compositionsInfo
- Publication number
- GB1330984A GB1330984A GB4499471A GB4499471A GB1330984A GB 1330984 A GB1330984 A GB 1330984A GB 4499471 A GB4499471 A GB 4499471A GB 4499471 A GB4499471 A GB 4499471A GB 1330984 A GB1330984 A GB 1330984A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colour
- sheets
- condensate
- paper
- acid
- 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
- 239000000203 mixture Substances 0.000 title abstract 6
- 150000002736 metal compounds Chemical class 0.000 abstract 4
- 239000000976 ink Substances 0.000 abstract 3
- AKEUNCKRJATALU-UHFFFAOYSA-N 2,6-dihydroxybenzoic acid Chemical compound OC(=O)C1=C(O)C=CC=C1O AKEUNCKRJATALU-UHFFFAOYSA-N 0.000 abstract 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N hexanedioic acid Natural products OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract 2
- 229920000126 latex Polymers 0.000 abstract 2
- 239000004816 latex Substances 0.000 abstract 2
- 229910052745 lead Inorganic materials 0.000 abstract 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000049 pigment Substances 0.000 abstract 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 abstract 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 abstract 2
- 229910052718 tin Inorganic materials 0.000 abstract 2
- 229910052725 zinc Inorganic materials 0.000 abstract 2
- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 abstract 1
- 239000005995 Aluminium silicate Substances 0.000 abstract 1
- 239000001856 Ethyl cellulose Substances 0.000 abstract 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 abstract 1
- 229920000084 Gum arabic Polymers 0.000 abstract 1
- 239000000020 Nitrocellulose Substances 0.000 abstract 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000005662 Paraffin oil Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 1
- 241000978776 Senegalia senegal Species 0.000 abstract 1
- 229910000004 White lead Inorganic materials 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- 229910021536 Zeolite Inorganic materials 0.000 abstract 1
- 239000000205 acacia gum Substances 0.000 abstract 1
- 235000010489 acacia gum Nutrition 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- -1 alkali metal salt Chemical class 0.000 abstract 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 235000012211 aluminium silicate Nutrition 0.000 abstract 1
- HQQUTGFAWJNQIP-UHFFFAOYSA-K aluminum;diacetate;hydroxide Chemical compound CC(=O)O[Al](O)OC(C)=O HQQUTGFAWJNQIP-UHFFFAOYSA-K 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 abstract 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- KLIYQWXIWMRMGR-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate Chemical compound C=CC=C.COC(=O)C(C)=C KLIYQWXIWMRMGR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000004359 castor oil Substances 0.000 abstract 1
- 235000019438 castor oil Nutrition 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 235000019325 ethyl cellulose Nutrition 0.000 abstract 1
- 229920001249 ethyl cellulose Polymers 0.000 abstract 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 abstract 1
- 238000007646 gravure printing Methods 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 239000001023 inorganic pigment Substances 0.000 abstract 1
- VLOJXAQYHIVPFI-UHFFFAOYSA-H lead(2+);diacetate;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].CC([O-])=O.CC([O-])=O VLOJXAQYHIVPFI-UHFFFAOYSA-H 0.000 abstract 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 abstract 1
- 229910021514 lead(II) hydroxide Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
- 239000001095 magnesium carbonate Substances 0.000 abstract 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920001220 nitrocellulos Polymers 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 238000007639 printing Methods 0.000 abstract 1
- 229960004889 salicylic acid Drugs 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- 239000000454 talc Substances 0.000 abstract 1
- 229910052623 talc Inorganic materials 0.000 abstract 1
- 239000002966 varnish Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
- Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
- Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
- Y10T428/277—Cellulosic substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
- Y10T428/31949—Next to cellulosic
- Y10T428/31964—Paper
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45084539A JPS4913452B1 (enrdf_load_stackoverflow) | 1970-09-28 | 1970-09-28 | |
| JP45093246A JPS521326B1 (enrdf_load_stackoverflow) | 1970-10-23 | 1970-10-23 | |
| JP11203970 | 1970-12-15 | ||
| JP45112040A JPS4913455B1 (enrdf_load_stackoverflow) | 1970-12-15 | 1970-12-15 | |
| JP45112754A JPS521328B1 (enrdf_load_stackoverflow) | 1970-12-16 | 1970-12-16 | |
| JP11275370A JPS5522276B1 (enrdf_load_stackoverflow) | 1970-12-16 | 1970-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1330984A true GB1330984A (en) | 1973-09-19 |
Family
ID=27551616
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4499471A Expired GB1330984A (en) | 1970-09-28 | 1971-09-27 | Colour-developer compositions |
| GB4931671A Expired GB1364736A (en) | 1970-09-28 | 1971-10-22 | Colour developer compositions |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4931671A Expired GB1364736A (en) | 1970-09-28 | 1971-10-22 | Colour developer compositions |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US3767449A (enrdf_load_stackoverflow) |
| AU (1) | AU463285B2 (enrdf_load_stackoverflow) |
| BE (2) | BE773190A (enrdf_load_stackoverflow) |
| CA (2) | CA945759A (enrdf_load_stackoverflow) |
| DE (2) | DE2148427B2 (enrdf_load_stackoverflow) |
| FR (2) | FR2108651A5 (enrdf_load_stackoverflow) |
| GB (2) | GB1330984A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304964A (zh) * | 2019-10-08 | 2020-06-19 | 浙江长安仁恒科技股份有限公司 | 一种无碳复写纸显色剂及其制备工艺 |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4910856B1 (enrdf_load_stackoverflow) * | 1970-05-28 | 1974-03-13 | ||
| US3988501A (en) * | 1971-11-29 | 1976-10-26 | Ing. C. Olivetti & C., S.P.A. | Thermosensitive element for thermographic reproduction or registration systems |
| BE794459A (fr) * | 1972-01-24 | 1973-05-16 | Fuji Photo Film Co Ltd | Feuille d'enregistrement |
| JPS5122413B2 (enrdf_load_stackoverflow) * | 1972-06-24 | 1976-07-09 | ||
| JPS527372B2 (enrdf_load_stackoverflow) * | 1972-07-14 | 1977-03-02 | ||
| JPS5318921B2 (enrdf_load_stackoverflow) * | 1972-07-28 | 1978-06-17 | ||
| JPS527373B2 (enrdf_load_stackoverflow) * | 1972-08-15 | 1977-03-02 | ||
| JPS551195B2 (enrdf_load_stackoverflow) * | 1972-09-27 | 1980-01-12 | ||
| JPS5314006B2 (enrdf_load_stackoverflow) * | 1973-07-14 | 1978-05-15 | ||
| US3965282A (en) * | 1973-09-14 | 1976-06-22 | Agfa-Gevaert N.V. | Thermographic recording material |
| US3911171A (en) * | 1973-09-14 | 1975-10-07 | Agfa Gevaert A Naamloze Vennoo | Thermographic recording process |
| US4022936A (en) * | 1975-04-28 | 1977-05-10 | Ncr Corporation | Record material |
| JPS5841760B2 (ja) * | 1976-05-29 | 1983-09-14 | 神崎製紙株式会社 | 呈色剤の製造方法 |
| DE2731418C3 (de) * | 1977-07-12 | 1987-10-22 | Feldmühle AG, 4000 Düsseldorf | Farbreaktives Aufzeichnungsmaterial und Verfahren zu seiner Herstellung |
| JPS5479709A (en) * | 1977-12-07 | 1979-06-26 | Fuji Photo Film Co Ltd | Method of making sheet |
| US4188456A (en) * | 1977-12-23 | 1980-02-12 | Ncr Corporation | Pressure-sensitive recording sheet |
| JPS5637189A (en) * | 1979-09-05 | 1981-04-10 | Oji Paper Co Ltd | Tinting paper for pressure sensitive recording |
| US4372583A (en) * | 1980-07-29 | 1983-02-08 | Vassiliades Anthony E | Chromogenic copy system and method |
| JPS57133093A (en) * | 1981-02-12 | 1982-08-17 | Jujo Paper Co Ltd | Developing sheet for pressure sensitive copying paper |
| JPS6061289A (ja) * | 1983-09-16 | 1985-04-09 | Jujo Paper Co Ltd | 感熱記録紙 |
| CA1236299A (en) * | 1984-04-16 | 1988-05-10 | Minnesota Mining And Manufacturing Company | Prevention of spotting in thermal imaging compositions |
| US4612254A (en) * | 1985-03-07 | 1986-09-16 | Occidental Chemical Corporation | Aromatic carboxylic acid and metal-modified phenolic resins and methods of preparation |
| GB8511202D0 (en) * | 1985-05-02 | 1985-06-12 | Wiggins Teape Group Ltd | Record material |
| EP0283924B1 (en) * | 1987-03-24 | 1992-01-29 | MITSUI TOATSU CHEMICALS, Inc. | Aqueous suspension and preparation method thereof |
| EP0294931B1 (en) * | 1987-05-06 | 1992-09-02 | MITSUI TOATSU CHEMICALS, Inc. | Self-lubricating thermosetting resin composition |
| US5017546A (en) * | 1988-04-20 | 1991-05-21 | Brinkman Karl M | Alkyl salicylate developer resin for carbonless copy paper and imaging use |
| DE3826950A1 (de) * | 1988-08-09 | 1990-02-22 | Basf Ag | Polyamid-formmassen |
| US6124377A (en) * | 1998-07-01 | 2000-09-26 | Binney & Smith Inc. | Marking system |
| US6242167B1 (en) | 1999-04-12 | 2001-06-05 | Rentech, Inc. | Developer for use with carbonless copy paper and photo imaging systems |
| US6890614B2 (en) * | 2003-09-05 | 2005-05-10 | Hewlett-Packard Development Company, L.P. | Metal salt activators for use in leuco dye compositions |
| US6958181B1 (en) * | 2003-09-05 | 2005-10-25 | Hewlett-Packard Development Company, L.P. | Protected activators for use in leuco dye compositions |
| CA2871957C (en) | 2013-11-25 | 2019-05-07 | Crayola Llc | Marking system |
| CN113439024A (zh) | 2019-02-06 | 2021-09-24 | 蒙诺苏尔有限公司 | 用于基材表面的水溶性涂料 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA772544A (en) * | 1967-11-28 | Amano Masahiro | Pressure-sensitive, filler-containing copying paper | |
| NL106780C (enrdf_load_stackoverflow) * | 1956-06-28 | 1900-01-01 | ||
| US3260613A (en) * | 1963-03-15 | 1966-07-12 | Interchem Corp | Heat-sensitive sheet for thermographic copying |
| US3287154A (en) * | 1963-04-24 | 1966-11-22 | Polaroid Corp | Pressure responsive record materials |
| US3491117A (en) * | 1967-01-30 | 1970-01-20 | Ncr Co | Indole substituted pyromellitides |
| GB1257205A (enrdf_load_stackoverflow) * | 1968-07-15 | 1971-12-15 | ||
| ES379601A1 (es) * | 1969-05-12 | 1972-08-01 | Fuji Photo Film Co Ltd | Mejoras en la fabricacion de hojas revestidas de arcilla para hojas copiadoras sensibles a la presion. |
| US3682673A (en) * | 1970-04-08 | 1972-08-08 | Minnesota Mining & Mfg | Latent imaging or hidden entry system |
| US3681390A (en) * | 1970-11-16 | 1972-08-01 | Ncr Co | Dialkylamino fluoran chromogenic compounds |
-
1971
- 1971-09-27 GB GB4499471A patent/GB1330984A/en not_active Expired
- 1971-09-28 FR FR7134890A patent/FR2108651A5/fr not_active Expired
- 1971-09-28 US US3767449D patent/US3767449A/en not_active Expired - Lifetime
- 1971-09-28 BE BE773190A patent/BE773190A/xx not_active IP Right Cessation
- 1971-09-28 CA CA123,827A patent/CA945759A/en not_active Expired
- 1971-09-28 DE DE2148427A patent/DE2148427B2/de active Pending
- 1971-10-20 AU AU34782/71A patent/AU463285B2/en not_active Expired
- 1971-10-21 CA CA125,693A patent/CA947075A/en not_active Expired
- 1971-10-22 GB GB4931671A patent/GB1364736A/en not_active Expired
- 1971-10-22 DE DE2152763A patent/DE2152763C3/de not_active Expired
- 1971-10-25 BE BE774439A patent/BE774439A/xx not_active IP Right Cessation
- 1971-10-25 FR FR7138307A patent/FR2113223A5/fr not_active Expired
- 1971-10-26 US US3772052D patent/US3772052A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304964A (zh) * | 2019-10-08 | 2020-06-19 | 浙江长安仁恒科技股份有限公司 | 一种无碳复写纸显色剂及其制备工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2108651A5 (enrdf_load_stackoverflow) | 1972-05-19 |
| DE2152763C3 (de) | 1981-02-19 |
| GB1364736A (en) | 1974-08-29 |
| BE773190A (fr) | 1972-01-17 |
| CA945759A (en) | 1974-04-23 |
| BE774439A (fr) | 1972-02-14 |
| AU3393971A (en) | 1973-04-19 |
| CA947075A (en) | 1974-05-14 |
| DE2148427A1 (de) | 1972-04-20 |
| DE2148427B2 (de) | 1973-10-25 |
| US3767449A (en) | 1973-10-23 |
| FR2113223A5 (enrdf_load_stackoverflow) | 1972-06-23 |
| US3772052A (en) | 1973-11-13 |
| AU463285B2 (en) | 1975-07-24 |
| AU3478271A (en) | 1973-05-03 |
| DE2152763A1 (de) | 1972-04-27 |
| DE2152763B2 (de) | 1980-05-22 |
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| Date | Code | Title | Description |
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| PS | Patent sealed [section 19, patents act 1949] |