ES465483A2 - Procedimiento para la obtencion de capsulas polimericas de muy pequeno tamano. - Google Patents

Procedimiento para la obtencion de capsulas polimericas de muy pequeno tamano.

Info

Publication number
ES465483A2
ES465483A2 ES465483A ES465483A ES465483A2 ES 465483 A2 ES465483 A2 ES 465483A2 ES 465483 A ES465483 A ES 465483A ES 465483 A ES465483 A ES 465483A ES 465483 A2 ES465483 A2 ES 465483A2
Authority
ES
Spain
Prior art keywords
carbon atoms
main chain
carboxyl groups
bound directly
starting material
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
Application number
ES465483A
Other languages
English (en)
Spanish (es)
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 US05/755,832 external-priority patent/US4087376A/en
Application filed by NCR Corp filed Critical NCR Corp
Publication of ES465483A2 publication Critical patent/ES465483A2/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/18—In situ polymerisation with all reactants being present in the same phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ES465483A 1976-12-30 1977-12-27 Procedimiento para la obtencion de capsulas polimericas de muy pequeno tamano. Expired ES465483A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/755,832 US4087376A (en) 1974-07-10 1976-12-30 Capsule manufacture
US05/755,831 US4089802A (en) 1974-07-10 1976-12-30 Capsule manufacture

Publications (1)

Publication Number Publication Date
ES465483A2 true ES465483A2 (es) 1978-12-01

Family

ID=27116136

Family Applications (1)

Application Number Title Priority Date Filing Date
ES465483A Expired ES465483A2 (es) 1976-12-30 1977-12-27 Procedimiento para la obtencion de capsulas polimericas de muy pequeno tamano.

Country Status (12)

Country Link
AR (1) AR222631A1 (nl)
BR (1) BR7708692A (nl)
CH (1) CH641687A5 (nl)
DE (1) DE2757634C2 (nl)
DK (1) DK584277A (nl)
ES (1) ES465483A2 (nl)
FR (1) FR2375978A1 (nl)
GB (1) GB1540986A (nl)
IT (1) IT1202387B (nl)
NL (1) NL178846C (nl)
NO (1) NO146485C (nl)
SE (1) SE7714555L (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107881A (en) * 1978-02-14 1979-08-24 Fuji Photo Film Co Ltd Preparation of minute capsule
JPS6023859B2 (ja) * 1978-11-14 1985-06-10 神崎製紙株式会社 マイクロカプセルの製造方法
DE2940786A1 (de) * 1979-10-08 1981-04-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von mikrokapseln

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL275857A (nl) * 1961-03-13 1900-01-01
US4001140A (en) * 1974-07-10 1977-01-04 Ncr Corporation Capsule manufacture

Also Published As

Publication number Publication date
DK584277A (da) 1978-07-01
DE2757634C2 (de) 1986-05-28
NL178846B (nl) 1986-01-02
NO146485B (no) 1982-07-05
NL7714611A (nl) 1978-07-04
GB1540986A (en) 1979-02-21
FR2375978A1 (fr) 1978-07-28
NO774458L (no) 1978-07-03
FR2375978B1 (nl) 1981-02-27
SE7714555L (sv) 1978-07-01
CH641687A5 (en) 1984-03-15
NO146485C (no) 1982-10-13
DE2757634A1 (de) 1978-07-13
IT1202387B (it) 1989-02-09
BR7708692A (pt) 1978-08-15
AR222631A1 (es) 1981-06-15
NL178846C (nl) 1986-06-02

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