BR9401295A - Processo para a síntese de dímeros de alquil ceteno, dímeros assim obtidos e dispersão aquosa compreendendo o mesmo - Google Patents

Processo para a síntese de dímeros de alquil ceteno, dímeros assim obtidos e dispersão aquosa compreendendo o mesmo

Info

Publication number
BR9401295A
BR9401295A BR9401295A BR9401295A BR9401295A BR 9401295 A BR9401295 A BR 9401295A BR 9401295 A BR9401295 A BR 9401295A BR 9401295 A BR9401295 A BR 9401295A BR 9401295 A BR9401295 A BR 9401295A
Authority
BR
Brazil
Prior art keywords
dimers
alkyl ketene
synthesis
same
aqueous dispersion
Prior art date
Application number
BR9401295A
Other languages
English (en)
Inventor
Jian Jian Zhang
Original Assignee
Hercules 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
Priority claimed from GB939309603A external-priority patent/GB9309603D0/en
Application filed by Hercules Inc filed Critical Hercules Inc
Publication of BR9401295A publication Critical patent/BR9401295A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/88—Ketenes; Dimeric ketenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/87—Preparation of ketenes or dimeric ketenes
    • C07C45/89—Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Epoxy Compounds (AREA)
  • Lubricants (AREA)
  • Paper (AREA)
BR9401295A 1993-03-26 1994-03-25 Processo para a síntese de dímeros de alquil ceteno, dímeros assim obtidos e dispersão aquosa compreendendo o mesmo BR9401295A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3720393A 1993-03-26 1993-03-26
GB939309603A GB9309603D0 (en) 1993-03-26 1993-05-10 Process for the manufacture of alkyl ketene dimers by dimerization with tertiary amines

Publications (1)

Publication Number Publication Date
BR9401295A true BR9401295A (pt) 1994-11-01

Family

ID=26302878

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9401295A BR9401295A (pt) 1993-03-26 1994-03-25 Processo para a síntese de dímeros de alquil ceteno, dímeros assim obtidos e dispersão aquosa compreendendo o mesmo

Country Status (11)

Country Link
US (1) US5525738A (pt)
EP (1) EP0619289B1 (pt)
JP (1) JPH072721A (pt)
CN (1) CN1065230C (pt)
AT (1) ATE166043T1 (pt)
AU (1) AU682021B2 (pt)
BR (1) BR9401295A (pt)
CA (1) CA2119997C (pt)
DE (1) DE69410153T2 (pt)
ES (1) ES2115878T3 (pt)
FI (1) FI941419A (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE511318C2 (sv) † 1993-02-22 1999-09-13 Eka Chemicals Ab Förfarande för framställning av ketendimerer
US5685815A (en) * 1994-02-07 1997-11-11 Hercules Incorporated Process of using paper containing alkaline sizing agents with improved conversion capability
US5447689A (en) * 1994-03-01 1995-09-05 Actimed Laboratories, Inc. Method and apparatus for flow control
DE59602419D1 (de) * 1995-05-03 1999-08-19 Basf Ag Verfahren zur Herstellung von lösungsmittelarmen Alkyldiketenen
US6123760A (en) * 1998-10-28 2000-09-26 Hercules Incorporated Compositions and methods for preparing dispersions and methods for using the dispersions
US6238519B1 (en) 1998-11-18 2001-05-29 Kimberly Clark Worldwide, Inc. Soft absorbent paper product containing deactivated ketene dimer agents
CA2287699A1 (en) * 1998-11-18 2000-05-18 Nancy S. Clungeon Soft highly absorbent paper product containing ketene dimer sizing agents
US6511956B1 (en) 1998-11-25 2003-01-28 The Procter & Gamble Company Process for forming a cleaning composition
FI19992519A (fi) * 1999-11-25 2001-05-26 Neste Chemicals Oy Menetelmä nukleofiilisten yhdisteiden asetoasetyloimiseksi
CN107382913B (zh) * 2017-07-25 2019-09-10 天津工业大学 一种无溶剂法制备烷基烯酮二聚体的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748980C (de) * 1937-12-03 1944-12-19 Verfahren zur Herstellung von hoehermolekularen Ketenen
US2369919A (en) * 1938-10-13 1945-02-20 Du Pont Ketoethenones and process therefor
US2238826A (en) * 1938-10-13 1941-04-15 Du Pont Monacyl ethenones and a process of making them
US2369914A (en) * 1942-08-26 1945-02-20 Int Paper Box Machine Co Sheet-feeding mechanism
DE2335488A1 (de) * 1973-07-12 1975-02-06 Basf Ag Verfahren zur herstellung von fettalkyldiketenen
DE2927118C2 (de) * 1979-07-05 1981-10-15 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Fettalkyldiketenen
DE3434212A1 (de) * 1984-09-18 1986-03-20 Schill & Seilacher GmbH & Co, 7030 Böblingen Verfahren zur herstellung von ketendimeren und deren verwendung
JPS6326545A (ja) * 1986-07-18 1988-02-04 Nec Corp 光半導体素子の特性検査光学装置
JPS63264545A (ja) * 1987-04-22 1988-11-01 Nippon Oil & Fats Co Ltd アルキルケテンダイマ−の製造法

Also Published As

Publication number Publication date
DE69410153D1 (de) 1998-06-18
CN1104201A (zh) 1995-06-28
JPH072721A (ja) 1995-01-06
US5525738A (en) 1996-06-11
FI941419A (fi) 1994-09-27
ES2115878T3 (es) 1998-07-01
DE69410153T2 (de) 1998-09-03
CA2119997A1 (en) 1994-09-27
CN1065230C (zh) 2001-05-02
EP0619289B1 (en) 1998-05-13
CA2119997C (en) 1999-06-08
AU682021B2 (en) 1997-09-18
EP0619289A1 (en) 1994-10-12
ATE166043T1 (de) 1998-05-15
FI941419A0 (fi) 1994-03-25
AU5909094A (en) 1994-09-29

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADE(S).

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO 24.3 NA RPI 2066 DE 10/08/2010, E COMPROVAR O RECOLHIMENTO DA 17A,18A E 19A ANUIDADES.