NO851709L - Anvendelse av metylenfosfonsyreblandinger avledet fra amino-hydrokarbylpiperazin-urinstoff-addukter som retarderingsmidler for sement - Google Patents

Anvendelse av metylenfosfonsyreblandinger avledet fra amino-hydrokarbylpiperazin-urinstoff-addukter som retarderingsmidler for sement

Info

Publication number: NO851709L
Authority: NO; Norway
Prior art keywords: hydrocarbyl; adducts; piperazine; urine; amino
Prior art date: 1983-09-02

Application number

NO851709A

Other languages

English (en)

Other versions

NO165672C (no

NO165672B (no

Inventor

Druce K Crump

David A Wilson

Original Assignee

Dow Chemical 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.)

1983-09-02

Filing date

1985-04-30

Publication date

1985-04-30

1983-09-02 Priority claimed from US06/528,831 external-priority patent/US4472200A/en

1985-04-30 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1985-04-30 Publication of NO851709L publication Critical patent/NO851709L/no

1990-12-10 Publication of NO165672B publication Critical patent/NO165672B/no

1991-03-20 Publication of NO165672C publication Critical patent/NO165672C/no

Links

GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 title 2
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 title 1
239000004568 cement Substances 0.000 title 1
125000001570 methylene group Chemical class [H]C([H])([*:1])[*:2] 0.000 title 1
239000000203 mixture Substances 0.000 title 1
239000003340 retarding agent Substances 0.000 title 1
210000002700 urine Anatomy 0.000 title 1

NO851709A 1983-09-02 1985-04-30 Fremgangsmaate for retardering av stoerkningen av en vandigsementoppslemming ved tilsetning av metylenfosfonsyre-preparater fremstilt ut fra aminohydrokarbyl-piperazin-urinstoffaddukter. NO165672C (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/528,831 US4472200A (en)	1983-09-02	1983-09-02	New additives for retarding setting of cement from methylenephosphonated aminohydrocarbylpiperazine-urea adducts
PCT/US1984/001235 WO1985001043A1 (en)	1983-09-02	1984-08-07	Use of methylene phosphonic acid compositions derived from aminohydrocarbylpiperazineurea adducts as cement retarders

Publications (3)

Publication Number	Publication Date
NO851709L true NO851709L (no)	1985-04-30
NO165672B NO165672B (no)	1990-12-10
NO165672C NO165672C (no)	1991-03-20

Family

ID=26770371

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO851709A NO165672C (no)	1983-09-02	1985-04-30	Fremgangsmaate for retardering av stoerkningen av en vandigsementoppslemming ved tilsetning av metylenfosfonsyre-preparater fremstilt ut fra aminohydrokarbyl-piperazin-urinstoffaddukter.

Country Status (1)

Country	Link
NO (1)	NO165672C (no)

1985
- 1985-04-30 NO NO851709A patent/NO165672C/no unknown

Also Published As

Publication number	Publication date
NO165672C (no)	1991-03-20
NO165672B (no)	1990-12-10

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