DE3861745D1 - Verhinderung der schlammbildung. - Google Patents

Verhinderung der schlammbildung.

Info

Publication number
DE3861745D1
DE3861745D1 DE8888303882T DE3861745T DE3861745D1 DE 3861745 D1 DE3861745 D1 DE 3861745D1 DE 8888303882 T DE8888303882 T DE 8888303882T DE 3861745 T DE3861745 T DE 3861745T DE 3861745 D1 DE3861745 D1 DE 3861745D1
Authority
DE
Germany
Prior art keywords
sludge formation
preventing sludge
preventing
formation
sludge
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 - Lifetime
Application number
DE8888303882T
Other languages
English (en)
Inventor
Roy Bp Chemicals Limite Mytton
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.)
BP Chemicals Ltd
Original Assignee
BP Chemicals Ltd
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 BP Chemicals Ltd filed Critical BP Chemicals Ltd
Application granted granted Critical
Publication of DE3861745D1 publication Critical patent/DE3861745D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE8888303882T 1987-05-07 1988-04-28 Verhinderung der schlammbildung. Expired - Lifetime DE3861745D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878710820A GB8710820D0 (en) 1987-05-07 1987-05-07 Prevention of sludge formation

Publications (1)

Publication Number Publication Date
DE3861745D1 true DE3861745D1 (de) 1991-03-14

Family

ID=10616966

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888303882T Expired - Lifetime DE3861745D1 (de) 1987-05-07 1988-04-28 Verhinderung der schlammbildung.

Country Status (4)

Country Link
EP (1) EP0292131B1 (de)
DE (1) DE3861745D1 (de)
FI (1) FI89712C (de)
GB (1) GB8710820D0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946970A (en) * 1988-12-02 1990-08-07 Amoco Corporation Suppression of trimellitic anhydride dust
US5235070A (en) * 1988-12-02 1993-08-10 Amoco Corporation Suppression of dust from solid aromatic anhydrides

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459365A (en) * 1981-05-29 1984-07-10 Mitsubishi Gas Chemical Company, Inc. Method of recovering a catalytic metal
JPS58116439A (ja) * 1981-12-28 1983-07-11 Mitsubishi Gas Chem Co Inc 高純度芳香族ポリカルボン酸の製造法
US4469826A (en) * 1983-06-02 1984-09-04 Sun Chemical Corporation Process for the production of dispersions of polymers in non-aqueous vehicles

Also Published As

Publication number Publication date
FI89712C (fi) 1993-11-10
GB8710820D0 (en) 1987-06-10
FI89712B (fi) 1993-07-30
EP0292131B1 (de) 1991-02-06
EP0292131A3 (en) 1989-02-08
FI882071A (fi) 1988-11-08
FI882071A0 (fi) 1988-05-04
EP0292131A2 (de) 1988-11-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee