CA1211579A - Initially erasable but subsequently permanent ball point ink - Google Patents
Initially erasable but subsequently permanent ball point inkInfo
- Publication number
- CA1211579A CA1211579A CA000398630A CA398630A CA1211579A CA 1211579 A CA1211579 A CA 1211579A CA 000398630 A CA000398630 A CA 000398630A CA 398630 A CA398630 A CA 398630A CA 1211579 A CA1211579 A CA 1211579A
- Authority
- CA
- Canada
- Prior art keywords
- viscosity
- component
- pigment
- range
- volatile
- 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
- 239000000976 ink Substances 0.000 claims abstract description 120
- 239000002904 solvent Substances 0.000 claims abstract description 105
- 229920001971 elastomer Polymers 0.000 claims abstract description 102
- 239000000049 pigment Substances 0.000 claims abstract description 78
- 239000000806 elastomer Substances 0.000 claims abstract description 75
- 239000000203 mixture Substances 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 38
- 239000005060 rubber Substances 0.000 claims abstract description 27
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 24
- 229920001194 natural rubber Polymers 0.000 claims abstract description 24
- 239000013536 elastomeric material Substances 0.000 claims abstract description 22
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 21
- 230000002745 absorbent Effects 0.000 claims abstract description 13
- 239000002250 absorbent Substances 0.000 claims abstract description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 10
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
- 238000005470 impregnation Methods 0.000 claims abstract description 4
- 238000004040 coloring Methods 0.000 claims abstract description 3
- 238000009835 boiling Methods 0.000 claims description 48
- 229920003051 synthetic elastomer Polymers 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 239000005061 synthetic rubber Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 11
- 238000003801 milling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 4
- 241001441571 Hiodontidae Species 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims description 3
- 239000007863 gel particle Substances 0.000 claims description 2
- 239000000306 component Substances 0.000 claims 54
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 39
- 239000004014 plasticizer Substances 0.000 abstract description 28
- 239000003209 petroleum derivative Substances 0.000 abstract description 3
- 239000000341 volatile oil Substances 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 description 32
- 239000004922 lacquer Substances 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 14
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 11
- 239000003981 vehicle Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 9
- 239000013032 Hydrocarbon resin Substances 0.000 description 8
- 229920006270 hydrocarbon resin Polymers 0.000 description 8
- 229920004940 NATSYN® Polymers 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- JEVGKYBUANQAKG-UHFFFAOYSA-N victoria blue R Chemical compound [Cl-].C12=CC=CC=C2C(=[NH+]CC)C=CC1=C(C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 JEVGKYBUANQAKG-UHFFFAOYSA-N 0.000 description 7
- 229920003211 cis-1,4-polyisoprene Polymers 0.000 description 6
- 239000002480 mineral oil Substances 0.000 description 6
- 229920001195 polyisoprene Polymers 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 101100420946 Caenorhabditis elegans sea-2 gene Proteins 0.000 description 5
- AOADSHDCARXSGL-ZMIIQOOPSA-M alkali blue 4B Chemical compound CC1=CC(/C(\C(C=C2)=CC=C2NC2=CC=CC=C2S([O-])(=O)=O)=C(\C=C2)/C=C/C\2=N\C2=CC=CC=C2)=CC=C1N.[Na+] AOADSHDCARXSGL-ZMIIQOOPSA-M 0.000 description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229920004941 NATSYN® 2200 Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000005712 elicitor Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000019612 pigmentation Effects 0.000 description 3
- -1 ~iq~ents Substances 0.000 description 3
- OMVSWZDEEGIJJI-UHFFFAOYSA-N 2,2,4-Trimethyl-1,3-pentadienol diisobutyrate Chemical compound CC(C)C(=O)OC(C(C)C)C(C)(C)COC(=O)C(C)C OMVSWZDEEGIJJI-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229940097789 heavy mineral oil Drugs 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000010077 mastication Methods 0.000 description 2
- 230000018984 mastication Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000010665 pine oil Substances 0.000 description 2
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- VDBJCDWTNCKRTF-UHFFFAOYSA-N 6'-hydroxyspiro[2-benzofuran-3,9'-9ah-xanthene]-1,3'-dione Chemical compound O1C(=O)C2=CC=CC=C2C21C1C=CC(=O)C=C1OC1=CC(O)=CC=C21 VDBJCDWTNCKRTF-UHFFFAOYSA-N 0.000 description 1
- 101100422770 Caenorhabditis elegans sup-1 gene Proteins 0.000 description 1
- 241001274613 Corvus frugilegus Species 0.000 description 1
- 229920001368 Crepe rubber Polymers 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241000270711 Malaclemys terrapin Species 0.000 description 1
- 241001502129 Mullus Species 0.000 description 1
- 241000282341 Mustela putorius furo Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 240000007377 Petunia x hybrida Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVZZPLDJERFENQ-NKTUOASPSA-N bassianolide Chemical compound CC(C)C[C@@H]1N(C)C(=O)[C@@H](C(C)C)OC(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C(C)C)OC(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C(C)C)OC(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C(C)C)OC1=O QVZZPLDJERFENQ-NKTUOASPSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VVNRQZDDMYBBJY-UHFFFAOYSA-M sodium 1-[(1-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-olate Chemical compound [Na+].C1=CC=CC2=C(S([O-])(=O)=O)C(N=NC3=C4C=CC=CC4=CC=C3O)=CC=C21 VVNRQZDDMYBBJY-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
- C09D11/18—Writing inks specially adapted for ball-point writing instruments
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/38—Ink
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Pens And Brushes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/247,982 US4349639A (en) | 1981-03-26 | 1981-03-26 | Method of making and the composition for an initially erasable ink for a ball point writing instrument |
| US247,982 | 1988-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1211579A true CA1211579A (en) | 1986-09-16 |
Family
ID=22937162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000398630A Expired CA1211579A (en) | 1981-03-26 | 1982-03-17 | Initially erasable but subsequently permanent ball point ink |
Country Status (12)
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721739A (en) * | 1982-07-01 | 1988-01-26 | Bic Corp. | Erasable ink compositions |
| JPS59501366A (ja) * | 1982-07-01 | 1984-08-02 | ビツク コ−ポレ−シヨン | 可消性インク組成物および可消性書体形成方法 |
| DE3230463A1 (de) * | 1982-08-16 | 1984-02-16 | Pelikan Ag, 3000 Hannover | Mechanisch radierbare schreibfluessigkeit |
| JPS5980476A (ja) * | 1982-10-29 | 1984-05-09 | Pilot Pen Co Ltd:The | 消去可能なボ−ルペン用インキ |
| GB2244280B (en) * | 1990-04-30 | 1994-09-28 | Thomas Hanrahan | Ball pen inks |
| US5131776A (en) * | 1990-07-13 | 1992-07-21 | Binney & Smith Inc. | Aqueous permanent coloring composition for a marker |
| MY109293A (en) * | 1991-12-18 | 1996-12-31 | Gillette Co | Fiber marker including an erasable ink |
| US5599853A (en) * | 1993-01-29 | 1997-02-04 | The Gillette Company | Erasable inks |
| US5300538A (en) * | 1992-06-02 | 1994-04-05 | The Gillette Company | Solid marking compositions |
| US5969004A (en) * | 1993-10-15 | 1999-10-19 | The Gillette Company | Aqueous inks |
| US5852072A (en) * | 1994-12-16 | 1998-12-22 | Bic Corporation | Erasable ink composition containing a waterborne polyurethane urea |
| US5900445A (en) * | 1994-12-20 | 1999-05-04 | Bic Corporation | Erasable ink composition containing a polymer dye obtained from ethylenic monomers and marking instrument containing same |
| US5661197A (en) * | 1994-12-20 | 1997-08-26 | Bic Corporation | Erasable ink composition containing a polymer-encapsulated colorant derived from monomer containing dissolved colorant |
| US5852073A (en) * | 1994-12-21 | 1998-12-22 | Bic Corporation | Erasable ink composition containing a polymer-encapsulated colorant obtained by polymerizing monomer in the presence of solid colorant particles |
| US5756561A (en) * | 1994-12-21 | 1998-05-26 | Bic Corporation | Erasable ink composition containing a graft-polymerized dye |
| JPH10166780A (ja) * | 1996-12-12 | 1998-06-23 | Mitsubishi Pencil Co Ltd | 水性ゲルインキボールペン |
| JP3380414B2 (ja) * | 1997-01-10 | 2003-02-24 | 三菱鉛筆株式会社 | 消去可能なインキを充填したボールペン |
| US5916357A (en) * | 1997-03-25 | 1999-06-29 | The Gillette Company | Eradicable inks |
| KR100642350B1 (ko) | 1998-12-03 | 2006-11-03 | 파일롯트 잉크 가부시키가이샤 | 필기구용 조성물에 사용되는 고무지우개로 지울수 있는 수성 잉크 및 이를 주입한 볼펜과 마킹펜 |
| US6224284B1 (en) | 1999-10-12 | 2001-05-01 | Dri Mark Products Incorporated | Metallic ink composition for wick type writing instruments |
| EP1299485B1 (en) * | 2000-07-03 | 2004-12-08 | Berol Corporation | Erasable inks, writing instruments, and methods |
| US6890972B2 (en) * | 2003-01-09 | 2005-05-10 | Advance Watch Company, Ltd. | Erasable ink for a writing implement |
| US6905539B2 (en) * | 2003-07-15 | 2005-06-14 | Sanford L.P. | Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex |
| US20050192379A1 (en) * | 2003-07-15 | 2005-09-01 | Kwan Wing S.V. | Eradicable composition and kit |
| US7442725B2 (en) * | 2003-10-02 | 2008-10-28 | Sanford, L.P. | Color changing correction fluid |
| US7083665B1 (en) | 2003-10-07 | 2006-08-01 | Sanford, L.P. | Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex |
| US7488380B2 (en) * | 2003-10-07 | 2009-02-10 | Sanford, L.P. | Highlighting marking compositions, highlighting kits, and highlighted complexes |
| US7704308B2 (en) * | 2003-10-07 | 2010-04-27 | Sanford, L.P. | Method of highlighting with a reversible highlighting mixture, highlighting kit, and highlighted complex |
| US7229487B2 (en) * | 2004-01-14 | 2007-06-12 | Sanford, L.P. | Writing instruments with eradicable inks and eradicating fluids |
| US7163575B2 (en) * | 2004-07-15 | 2007-01-16 | Sanford, L.P. | Water-based, resin-free and solvent-free eradicable ball-pen inks |
| TW200720374A (en) * | 2005-08-04 | 2007-06-01 | Sanford Lp | Correction fluids |
| US8741039B2 (en) * | 2007-02-21 | 2014-06-03 | Sanford, L.P. | Permanent ink compositions and writing instruments containing same |
| US9109126B2 (en) | 2013-07-22 | 2015-08-18 | Sanford, L.P. | Ink compositions comprising colorant particles containing polymeric particles |
| US10513621B2 (en) * | 2015-02-27 | 2019-12-24 | Purdue Research Foundation | Ink and method of conducting an examination |
| EP4122716A1 (en) | 2016-11-13 | 2023-01-25 | Rocket Innovations, Inc. | A method of reusing a notebook |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3875105A (en) * | 1968-08-12 | 1975-04-01 | Scripto Inc | Erasable writing medium suitable for use in ball point pens |
| FR2234359B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-20 | 1977-12-09 | Ugine Kuhlmann | |
| US4097290A (en) * | 1974-08-09 | 1978-06-27 | The Gillette Company | Ball-point instruments writing with improved transitorially erasable trace and ink compositions therefor |
| US4244862A (en) * | 1976-02-05 | 1981-01-13 | Denki Kagaku Kogyo Kabushiki Kaisha | Compositions for paints and printing inks |
| US4183833A (en) * | 1977-04-08 | 1980-01-15 | Nippon Zeon Co. Ltd. | Novel modified resins, process for preparing the same, and a composition for printing ink containing said modified resins as vehicle components |
| US4193906A (en) * | 1978-02-14 | 1980-03-18 | Sakura Color Products Corporation | Compositions for solid writing materials and writing implements |
| US4256492A (en) * | 1978-05-02 | 1981-03-17 | Taihei Chemicals Ltd. | Marker ink for writing board |
| JPS54156731A (en) * | 1978-05-24 | 1979-12-11 | Gillette Co | Balllpoint pen |
| FR2436170A1 (fr) | 1978-09-13 | 1980-04-11 | Pilot Pen Co Ltd | Encre pour inscriptions provisoires, faciles a effacer |
| FR2439226A1 (fr) * | 1978-10-20 | 1980-05-16 | Sakura Color Prod Corp | Composition pour encre effacable pour l'ecriture sur une surface impenetrable |
| JPS5746463A (en) * | 1980-09-03 | 1982-03-16 | Matsushita Electric Ind Co Ltd | Preparation of an alkali battery |
-
1981
- 1981-03-26 US US06/247,982 patent/US4349639A/en not_active Expired - Fee Related
-
1982
- 1982-03-17 CA CA000398630A patent/CA1211579A/en not_active Expired
- 1982-03-23 GB GB8208442A patent/GB2095692B/en not_active Expired
- 1982-03-23 IN IN240/DEL/82A patent/IN158097B/en unknown
- 1982-03-23 AU AU81804/82A patent/AU8180482A/en not_active Abandoned
- 1982-03-23 EP EP82301502A patent/EP0061886A1/en not_active Withdrawn
- 1982-03-24 ES ES510746A patent/ES510746A0/es active Granted
- 1982-03-25 NZ NZ200137A patent/NZ200137A/en unknown
- 1982-03-25 KR KR8201295A patent/KR900000298B1/ko not_active Expired
- 1982-03-25 PH PH27054A patent/PH17397A/en unknown
- 1982-03-26 JP JP57047489A patent/JPS57170968A/ja active Pending
- 1982-03-26 MX MX191999A patent/MX160265A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2095692B (en) | 1985-08-21 |
| KR900000298B1 (ko) | 1990-01-25 |
| PH17397A (en) | 1984-08-08 |
| NZ200137A (en) | 1985-11-08 |
| KR830009178A (ko) | 1983-12-17 |
| AU8180482A (en) | 1982-09-30 |
| ES8307276A1 (es) | 1983-06-16 |
| JPS57170968A (en) | 1982-10-21 |
| IN158097B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-08-30 |
| GB2095692A (en) | 1982-10-06 |
| ES510746A0 (es) | 1983-06-16 |
| EP0061886A1 (en) | 1982-10-06 |
| US4349639A (en) | 1982-09-14 |
| MX160265A (es) | 1990-01-24 |
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