NL7800907A - Gemodificeerde polystyrenen en hun gebruik als katalysatoren bij de vorming van carbodiimiden uit organische isocyanaten. - Google Patents

Gemodificeerde polystyrenen en hun gebruik als katalysatoren bij de vorming van carbodiimiden uit organische isocyanaten.

Info

Publication number
NL7800907A
NL7800907A NL7800907A NL7800907A NL7800907A NL 7800907 A NL7800907 A NL 7800907A NL 7800907 A NL7800907 A NL 7800907A NL 7800907 A NL7800907 A NL 7800907A NL 7800907 A NL7800907 A NL 7800907A
Authority
NL
Netherlands
Prior art keywords
polystyrenees
carbodiimides
catalysts
modified
formation
Prior art date
Application number
NL7800907A
Other languages
English (en)
Other versions
NL184901C (nl
NL184901B (nl
Original Assignee
Upjohn 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.)
Filing date
Publication date
Application filed by Upjohn Co filed Critical Upjohn Co
Publication of NL7800907A publication Critical patent/NL7800907A/nl
Publication of NL184901B publication Critical patent/NL184901B/nl
Application granted granted Critical
Publication of NL184901C publication Critical patent/NL184901C/nl

Links

Classifications

    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • B01J31/069—Hybrid organic-inorganic polymers, e.g. silica derivatized with organic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7800907,A 1977-01-31 1978-01-25 Gemodificeerde polystyrenen en hun gebruik als katalysatoren bij de vorming van carbodiimiden uit organische isocyanaten. NL184901C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/764,376 US4098973A (en) 1977-01-31 1977-01-31 Compounds and process

Publications (3)

Publication Number Publication Date
NL7800907A true NL7800907A (nl) 1978-08-02
NL184901B NL184901B (nl) 1989-07-03
NL184901C NL184901C (nl) 1989-12-01

Family

ID=25070553

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7800907,A NL184901C (nl) 1977-01-31 1978-01-25 Gemodificeerde polystyrenen en hun gebruik als katalysatoren bij de vorming van carbodiimiden uit organische isocyanaten.

Country Status (7)

Country Link
US (2) US4098973A (nl)
JP (1) JPS5396092A (nl)
DE (1) DE2802521C3 (nl)
FR (1) FR2378803A1 (nl)
GB (1) GB1568439A (nl)
IT (1) IT1103115B (nl)
NL (1) NL184901C (nl)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098973A (en) * 1977-01-31 1978-07-04 The Upjohn Company Compounds and process
US4286068A (en) * 1978-07-31 1981-08-25 Allied Chemical Corporation Catalyst and process for oxidation of organic substrates by hydrogen peroxide
CA1143741A (en) * 1978-07-31 1983-03-29 Allied Corporation Process for oxidation of ketones by hydrogen peroxide
US4226958A (en) * 1979-08-27 1980-10-07 The Upjohn Company Process for preparing organo-arsenic derivatives of polystyrene and related polymers
US4223111A (en) * 1979-08-27 1980-09-16 The Upjohn Company Process for preparing arylarsine substituted polystyrene
FR2498191B1 (fr) * 1981-01-19 1986-01-17 Poudres & Explosifs Ste Nale Procede de synthese d'oxydes et de sulfures de phosphines tertiaires et nouveaux oxydes et sulfures de phosphines tertiaires
JPS57171324A (en) * 1981-04-14 1982-10-21 Victor Co Of Japan Ltd Shifting mechanism of viewfinder
JPS57164732U (nl) * 1981-04-14 1982-10-18
US4503195A (en) * 1981-11-02 1985-03-05 Board Of Regents, The University Of Texas System Di- and triphenylated cation radical polymers and their use as Diels-Alder catalysts
US4552928A (en) * 1981-11-02 1985-11-12 Board Of Regents, The University Of Texas System Di- and triphenylated cation radical polymers and their use as Diels-Alder catalysts
JPS61235415A (ja) * 1985-04-12 1986-10-20 Nisshinbo Ind Inc 熱硬化性樹脂の製造方法
GB8521325D0 (en) * 1985-08-27 1985-10-02 Raychem Ltd Preparation of side-chain polymers
US6528292B1 (en) 1987-05-29 2003-03-04 Aventis Pharmaceuticals Holdings Inc. Derivatized polystyrene and other polymer supports for spectroscopic studies
US5352400A (en) * 1992-04-29 1994-10-04 E. I. Du Pont De Nemours And Company Carbodiimides and processes therefor
DK0636640T3 (da) * 1993-07-29 1998-05-11 Procter & Gamble Oxidationsproces
AU2001265400A1 (en) 2000-07-28 2002-02-13 Anika Therapeutics, Inc. Bioabsorbable composites of derivatized hyaluronic acid
WO2002068383A2 (en) 2001-02-22 2002-09-06 Anika Therapeutics, Inc. Thiol-modified hyaluronan
US8124120B2 (en) 2003-12-22 2012-02-28 Anika Therapeutics, Inc. Crosslinked hyaluronic acid compositions for tissue augmentation
WO2007070617A1 (en) 2005-12-14 2007-06-21 Anika Therapeutics, Inc. Bioabsorbable implant of hyaluronic acid derivative for treatment of osteochondral and chondral defects
JP5549006B2 (ja) * 2009-05-12 2014-07-16 国立大学法人大阪大学 ポリマーの酸化方法
EP3448394B1 (en) 2016-04-27 2023-09-13 Anika Therapeutics, Inc. Compositions for use in treating tendon degeneration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD96940A1 (nl) * 1971-08-11 1973-04-12
US3970603A (en) * 1973-05-24 1976-07-20 Owens-Illinois, Inc. Amino acid derivatives of chloromethylated polymers and methods of making the same
US3995094A (en) * 1975-09-12 1976-11-30 Dynapol Corporation Halomethylation of polystyrene
US4098973A (en) * 1977-01-31 1978-07-04 The Upjohn Company Compounds and process
US4068055A (en) * 1977-01-31 1978-01-10 The Upjohn Company Compounds and process

Also Published As

Publication number Publication date
US4137386A (en) 1979-01-30
US4098973A (en) 1978-07-04
DE2802521B2 (de) 1980-08-07
JPS5650895B2 (nl) 1981-12-02
DE2802521A1 (de) 1978-08-03
IT7847582A0 (it) 1978-01-10
FR2378803A1 (fr) 1978-08-25
NL184901C (nl) 1989-12-01
NL184901B (nl) 1989-07-03
DE2802521C3 (de) 1981-07-09
IT1103115B (it) 1985-10-14
FR2378803B1 (nl) 1981-06-19
JPS5396092A (en) 1978-08-22
GB1568439A (en) 1980-05-29

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

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