FR1221797A - Improvements in thermoplastic resin preparation processes - Google Patents

Improvements in thermoplastic resin preparation processes

Info

Publication number
FR1221797A
FR1221797A FR783879A FR783879A FR1221797A FR 1221797 A FR1221797 A FR 1221797A FR 783879 A FR783879 A FR 783879A FR 783879 A FR783879 A FR 783879A FR 1221797 A FR1221797 A FR 1221797A
Authority
FR
France
Prior art keywords
thermoplastic resin
preparation processes
resin preparation
processes
thermoplastic
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
Application number
FR783879A
Other languages
French (fr)
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.)
Beazer East Inc
Original Assignee
Koppers Co Inc
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 Koppers Co Inc filed Critical Koppers Co Inc
Application granted granted Critical
Publication of FR1221797A publication Critical patent/FR1221797A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR783879A 1958-01-13 1959-01-13 Improvements in thermoplastic resin preparation processes Expired FR1221797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1221797XA 1958-01-13 1958-01-13

Publications (1)

Publication Number Publication Date
FR1221797A true FR1221797A (en) 1960-06-03

Family

ID=22401158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783879A Expired FR1221797A (en) 1958-01-13 1959-01-13 Improvements in thermoplastic resin preparation processes

Country Status (1)

Country Link
FR (1) FR1221797A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0902326A2 (en) * 1997-07-25 1999-03-17 Tokyo Ohka Kogyo Co., Ltd. Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0902326A2 (en) * 1997-07-25 1999-03-17 Tokyo Ohka Kogyo Co., Ltd. Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin
EP0902326A3 (en) * 1997-07-25 1999-09-29 Tokyo Ohka Kogyo Co., Ltd. Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin
US6207788B1 (en) 1997-07-25 2001-03-27 Tokyo Ohka Kogya Co., Ltd. Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin
US6417317B1 (en) 1997-07-25 2002-07-09 Togyo Ohka Kogyo Co., Ltd. Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin

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