CA3084396A1 - Efface malleable en silicone en deux parties - Google Patents

Efface malleable en silicone en deux parties Download PDF

Info

Publication number
CA3084396A1
CA3084396A1 CA3084396A CA3084396A CA3084396A1 CA 3084396 A1 CA3084396 A1 CA 3084396A1 CA 3084396 A CA3084396 A CA 3084396A CA 3084396 A CA3084396 A CA 3084396A CA 3084396 A1 CA3084396 A1 CA 3084396A1
Authority
CA
Canada
Prior art keywords
container
silicone polymer
eraser
moldable
catalyst
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.)
Pending
Application number
CA3084396A
Other languages
English (en)
Inventor
Michael G. Moskal
Caleigh Anderson
Madison Paige Snyder
Jake Towne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crayola LLC
Original Assignee
Crayola LLC
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.)
Filing date
Publication date
Priority claimed from US16/896,347 external-priority patent/US11746235B2/en
Application filed by Crayola LLC filed Critical Crayola LLC
Publication of CA3084396A1 publication Critical patent/CA3084396A1/fr
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0087Assembling, repairing or finishing erasers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00Erasers, rubbers, or erasing devices; Holders therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0025Eraser or rubber material, e.g. comprising hard particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/04Fibrous erasers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/12Polysiloxanes containing silicon bound to hydrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/20Polysiloxanes containing silicon bound to unsaturated aliphatic groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA3084396A 2019-06-21 2020-06-19 Efface malleable en silicone en deux parties Pending CA3084396A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962864550P 2019-06-21 2019-06-21
US62/864,550 2019-06-21
US16/896,347 2020-06-09
US16/896,347 US11746235B2 (en) 2019-06-21 2020-06-09 Two part silicone moldable eraser

Publications (1)

Publication Number Publication Date
CA3084396A1 true CA3084396A1 (fr) 2020-12-21

Family

ID=71838373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3084396A Pending CA3084396A1 (fr) 2019-06-21 2020-06-19 Efface malleable en silicone en deux parties

Country Status (2)

Country Link
CA (1) CA3084396A1 (fr)
GB (1) GB2589166B (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3046939B2 (ja) * 1996-10-30 2000-05-29 セーラー万年筆株式会社 消しゴム
JP2001214101A (ja) * 2000-01-31 2001-08-07 Dow Corning Toray Silicone Co Ltd シリコーンゴム用インキおよびシリコーンゴム成形体
GB2444255A (en) * 2006-11-30 2008-06-04 Formerol Ltd Mouldable one-part RTV silicone elastomer
JP5912600B2 (ja) * 2011-09-16 2016-04-27 東レ・ダウコーニング株式会社 硬化性シリコーン組成物、その硬化物、および光半導体装置

Also Published As

Publication number Publication date
GB2589166A (en) 2021-05-26
GB2589166B (en) 2023-01-18
GB202009427D0 (en) 2020-08-05

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20240409

EEER Examination request

Effective date: 20240409