EP0569285A3 - Colloids to increase coefficient of friction in carbonless paper pad coatings - Google Patents

Colloids to increase coefficient of friction in carbonless paper pad coatings Download PDF

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Publication number
EP0569285A3
EP0569285A3 EP19930401145 EP93401145A EP0569285A3 EP 0569285 A3 EP0569285 A3 EP 0569285A3 EP 19930401145 EP19930401145 EP 19930401145 EP 93401145 A EP93401145 A EP 93401145A EP 0569285 A3 EP0569285 A3 EP 0569285A3
Authority
EP
European Patent Office
Prior art keywords
colloids
friction
increase coefficient
paper pad
carbonless paper
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.)
Granted
Application number
EP19930401145
Other versions
EP0569285B1 (en
EP0569285A2 (en
Inventor
Keith A Kraft
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0569285A2 publication Critical patent/EP0569285A2/en
Publication of EP0569285A3 publication Critical patent/EP0569285A3/en
Application granted granted Critical
Publication of EP0569285B1 publication Critical patent/EP0569285B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
EP19930401145 1992-05-04 1993-05-04 Colloids to increase coefficient of friction in carbonless paper pad coatings Expired - Lifetime EP0569285B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US87804892A 1992-05-04 1992-05-04
US878048 1992-05-04
US1979593A 1993-02-19 1993-02-19
US19795 1993-02-19

Publications (3)

Publication Number Publication Date
EP0569285A2 EP0569285A2 (en) 1993-11-10
EP0569285A3 true EP0569285A3 (en) 1994-06-01
EP0569285B1 EP0569285B1 (en) 1997-07-30

Family

ID=26692610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930401145 Expired - Lifetime EP0569285B1 (en) 1992-05-04 1993-05-04 Colloids to increase coefficient of friction in carbonless paper pad coatings

Country Status (4)

Country Link
EP (1) EP0569285B1 (en)
JP (1) JPH0648022A (en)
CA (1) CA2094004A1 (en)
DE (1) DE69312564T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991588A (en) * 1994-04-12 1999-11-23 Imation Corp. Electrophotographic transfer process for transferring toner image onto carbonless paper
WO2007069991A2 (en) † 2005-12-14 2007-06-21 Akzo Nobel N.V. Papermaking process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738957A (en) * 1971-03-18 1973-06-12 Du Pont Coacervates of polyvinyl alcohol and colloidal silica
US3949148A (en) * 1973-11-15 1976-04-06 Xerox Corporation Transparency for multi-color electrostatic copying
JPS5895745A (en) * 1981-12-02 1983-06-07 Sanyo Kokusaku Pulp Co Ltd Manufacture of copying paper
US5092927A (en) * 1988-06-14 1992-03-03 Nekoosa Papers, Inc. Pad coating for carbonless paper products

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738957A (en) * 1971-03-18 1973-06-12 Du Pont Coacervates of polyvinyl alcohol and colloidal silica
US3949148A (en) * 1973-11-15 1976-04-06 Xerox Corporation Transparency for multi-color electrostatic copying
JPS5895745A (en) * 1981-12-02 1983-06-07 Sanyo Kokusaku Pulp Co Ltd Manufacture of copying paper
US5092927A (en) * 1988-06-14 1992-03-03 Nekoosa Papers, Inc. Pad coating for carbonless paper products

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A.T.AKMAN ET AL: "improved transfer paper", XEROX DISCLOSURE JOURNAL, vol. 5, no. 4, August 1980 (1980-08-01), STAMFORD, CONN US, pages 467 *
DATABASE WPI Week 8328, Derwent World Patents Index; AN 83-709071 *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 196 (P - 219)<1341> 26 August 1983 (1983-08-26) *

Also Published As

Publication number Publication date
CA2094004A1 (en) 1993-11-05
DE69312564T2 (en) 1998-02-05
JPH0648022A (en) 1994-02-22
EP0569285B1 (en) 1997-07-30
EP0569285A2 (en) 1993-11-10
DE69312564D1 (en) 1997-09-04

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