CA1326430C - Methode pour la lutte contre l'entartrage du au sulfate de baryum et(ou) a l'oxalate de calcium - Google Patents

Methode pour la lutte contre l'entartrage du au sulfate de baryum et(ou) a l'oxalate de calcium

Info

Publication number
CA1326430C
CA1326430C CA000601560A CA601560A CA1326430C CA 1326430 C CA1326430 C CA 1326430C CA 000601560 A CA000601560 A CA 000601560A CA 601560 A CA601560 A CA 601560A CA 1326430 C CA1326430 C CA 1326430C
Authority
CA
Canada
Prior art keywords
recited
water
alkyl
water soluble
barium sulfate
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
CA000601560A
Other languages
English (en)
Inventor
Fu Chen
Daniel L. Michalopoulos
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.)
Hercules LLC
Original Assignee
Betz Laboratories 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 US07/203,035 external-priority patent/US4872995A/en
Application filed by Betz Laboratories Inc filed Critical Betz Laboratories Inc
Application granted granted Critical
Publication of CA1326430C publication Critical patent/CA1326430C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA000601560A 1988-06-06 1989-06-02 Methode pour la lutte contre l'entartrage du au sulfate de baryum et(ou) a l'oxalate de calcium Expired - Lifetime CA1326430C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20304488A 1988-06-06 1988-06-06
US07/203,044 1988-06-06
US07/203,035 1988-06-06
US07/203,035 US4872995A (en) 1983-10-26 1988-06-06 Method for calcium oxalate scale control

Publications (1)

Publication Number Publication Date
CA1326430C true CA1326430C (fr) 1994-01-25

Family

ID=26898253

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000601560A Expired - Lifetime CA1326430C (fr) 1988-06-06 1989-06-02 Methode pour la lutte contre l'entartrage du au sulfate de baryum et(ou) a l'oxalate de calcium

Country Status (1)

Country Link
CA (1) CA1326430C (fr)

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Legal Events

Date Code Title Description
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121205