NL178369B - Geheugeninrichting. - Google Patents

Geheugeninrichting.

Info

Publication number
NL178369B
NL178369B NLAANVRAGE7709931,B NL178369DB NL178369B NL 178369 B NL178369 B NL 178369B NL 178369D B NL178369D B NL 178369DB NL 178369 B NL178369 B NL 178369B
Authority
NL
Netherlands
Prior art keywords
memory device
memory
Prior art date
Application number
NLAANVRAGE7709931,B
Other languages
English (en)
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL178369B publication Critical patent/NL178369B/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J43/00—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general
NLAANVRAGE7709931,B 1952-05-17 1953-05-16 Geheugeninrichting. NL178369B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US288546A US2781342A (en) 1952-05-17 1952-05-17 Steroid enamines

Publications (1)

Publication Number Publication Date
NL178369B true NL178369B (nl) 1957-03-15

Family

ID=23107588

Family Applications (2)

Application Number Title Priority Date Filing Date
NL178369A NL85986C (nl) 1952-05-17 1953-05-16
NLAANVRAGE7709931,B NL178369B (nl) 1952-05-17 1953-05-16 Geheugeninrichting.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL178369A NL85986C (nl) 1952-05-17 1953-05-16

Country Status (6)

Country Link
US (1) US2781342A (nl)
CH (1) CH322242A (nl)
DE (1) DE951569C (nl)
FR (1) FR1098526A (nl)
GB (1) GB740568A (nl)
NL (2) NL85986C (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053832A (en) * 1957-04-29 1962-09-11 Schering Corp Alkylated cortical steroids
US2884416A (en) * 1958-03-20 1959-04-28 Upjohn Co Mineral acid salts of pregnane-3, 11, 20-trione 3-enamines
US2919285A (en) * 1958-11-03 1959-12-29 Searle & Co Preparation of 5alpha-pregnane-3, 20-dione from funtumine
NL270211A (nl) * 1960-10-20
US3207752A (en) * 1961-11-23 1965-09-21 Ormonoterapia Richter Spa Process for the preparation of 2alpha-methyl-androstane derivatives
FR1334968A (fr) * 1962-04-18 1963-08-16 Roussel Uclaf Nouveau procédé de préparation de lactones stéroïdes non saturées
NL123298C (nl) * 1963-08-07
FR2494698A1 (fr) * 1980-11-21 1982-05-28 Roussel Uclaf Nouveaux derives steroides 3-amino substitues, leurs sels, procede de preparation, application a titre de medicaments et compositions les renfermant

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2340388A (en) * 1936-05-29 1944-02-01 Schering Corp Steroid compounds and a process of producing the same
US2422904A (en) * 1936-05-29 1947-06-24 Schering Corp Method of preparing delta1,4-androstadienol-17-one-3 and its derivatives

Also Published As

Publication number Publication date
DE951569C (de) 1956-10-31
GB740568A (en) 1955-11-16
US2781342A (en) 1957-02-12
CH322242A (de) 1957-06-15
NL85986C (nl) 1957-07-16
FR1098526A (fr) 1955-08-01

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee

Effective date: 19960401