BE558596A - PROCESS FOR THE PREPARATION OF DISUBSTITUTED PYRROLIDONS. - Google Patents

PROCESS FOR THE PREPARATION OF DISUBSTITUTED PYRROLIDONS.

Info

Publication number
BE558596A
BE558596A BE558596A BE558596A BE558596A BE 558596 A BE558596 A BE 558596A BE 558596 A BE558596 A BE 558596A BE 558596 A BE558596 A BE 558596A BE 558596 A BE558596 A BE 558596A
Authority
BE
Belgium
Prior art keywords
pyrrolidons
disubstituted
preparation
disubstituted pyrrolidons
Prior art date
Application number
BE558596A
Other languages
French (fr)
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of BE558596A publication Critical patent/BE558596A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
    • E04B2/22—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having a general shape differing from that of a parallelepiped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/026—Splittable building elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
BE558596A 1956-07-25 1957-06-21 PROCESS FOR THE PREPARATION OF DISUBSTITUTED PYRROLIDONS. BE558596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH558596X 1956-07-25

Publications (1)

Publication Number Publication Date
BE558596A true BE558596A (en) 1960-03-25

Family

ID=4520136

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558596A BE558596A (en) 1956-07-25 1957-06-21 PROCESS FOR THE PREPARATION OF DISUBSTITUTED PYRROLIDONS.

Country Status (2)

Country Link
BE (1) BE558596A (en)
FR (1) FR558596A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983887A1 (en) * 2007-09-26 2013-06-14 Pradier Blocs Masonry block i.e. rectangular concrete block, for constructing wall, has two identical elements shaped for being interlocked with each other to adjust length of block, where each element has front and rear walls to delimit insulation space

Also Published As

Publication number Publication date
FR558596A (en) 1923-08-30

Similar Documents

Publication Publication Date Title
BE554816A (en) PROCESS FOR THE PREPARATION OF 2-HYDROXYBENZOQUINOLEIZINES.
BE558596A (en) PROCESS FOR THE PREPARATION OF DISUBSTITUTED PYRROLIDONS.
BE558647A (en) PROCESS FOR PREPARING TOLYLSULFONYLACETAMIDES.
BE555609A (en) PROCESS FOR THE PREPARATION OF SUBSTITUTED MORPHINANES.
BE561633A (en) PROCESS FOR THE PRODUCTION OF N- (alpha-HYDROXY-beta-TRICHLORETHYL) -PYRROLIDONES.
BE559420A (en) PROCESS FOR THE PREPARATION OF CYCLOHEXANONE.
BE551073A (en) PROCESS FOR THE PREPARATION OF 1,2-DIPHENYL-4-n-BUTYL-3,5-DIOXO-PYRAZOLIDINE.
BE569892A (en) PROCESS FOR THE PREPARATION OF BENZOQUINOLEIZINES.
BE560836A (en) PROCESS FOR THE PREPARATION OF PRIMARY ALIPHATIC DIALCOOLS.
BE570359A (en) PROCESS FOR THE PREPARATION OF NEW PYRROLIDINE-DIONES.
BE536970A (en) PROCESS FOR THE PREPARATION OF epsilon-CAPROLACTAM.
BE558595A (en) PROCESS FOR THE PREPARATION OF KETONES.
BE551101A (en) PROCESS FOR THE PREPARATION OF CYCLIC DIENONES.
BE554830A (en) PROCESS FOR THE PREPARATION OF 2-CHLOROPYRIDINE.
BE553553A (en) PROCESS FOR THE PREPARATION OF QUATERNARY TROPEINS.
BE563934A (en) PROCESS FOR THE PREPARATION OF NEW TRIAZINES.
BE561785A (en) PROCESS FOR THE PREPARATION OF THIAZOLINES - Delta 3, 4 ,.
BE565824A (en) PROCESS FOR THE PREPARATION OF 2-OXO-BENZO-QUINOLIZINES SUBSTITUTES.
BE566314A (en) PROCESS FOR THE PREPARATION OF 3alpha-ACYLOXY-6beta-HYDROXYTROPANES.
BE545182A (en) PROCESS FOR THE PREPARATION OF DIOXOPYRAZOLIDINES.
BE547331A (en) PROCESS FOR THE PREPARATION OF FUROBENZOPYRANONES.
BE552944A (en) PROCESS FOR THE PREPARATION OF 4-AMINO-3-ISOXAZOLIDONES.
BE535240A (en) PROCESS FOR THE PREPARATION OF QUINOLEINALDEHYDES.
BE536996A (en) PROCESS FOR THE PREPARATION OF 1-METHYL-4-HYDROXY-5-ALCOXY-NAPHTHALENE.
BE549920A (en) PROCESS FOR THE PREPARATION OF 1- (BETA-HYDROXYPYROPYL) -THEOBROMINE.