GB1433202A – Fingerprint developing apparatus
– Google Patents
GB1433202A – Fingerprint developing apparatus
– Google Patents
Fingerprint developing apparatus
Info
Publication number
GB1433202A
GB1433202A
GB2564073A
GB2564073A
GB1433202A
GB 1433202 A
GB1433202 A
GB 1433202A
GB 2564073 A
GB2564073 A
GB 2564073A
GB 2564073 A
GB2564073 A
GB 2564073A
GB 1433202 A
GB1433202 A
GB 1433202A
Authority
GB
United Kingdom
Prior art keywords
boron
products
compound
compounds
lithium
Prior art date
1972-06-01
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
GB2564073A
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.)
Identicator Corp
Original Assignee
Identicator 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.)
1972-06-01
Filing date
1973-05-30
Publication date
1976-04-22
1973-05-30
Application filed by Identicator Corp
filed
Critical
Identicator Corp
1976-04-22
Publication of GB1433202A
publication
Critical
patent/GB1433202A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
Abstract
1433202 Mixed organometallic compounds in diene polymerization SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 30 May 1973 [1 June 1972] 25640/73 Heading C3P Conjugated dienes are polymerized in a solvent for the resulting polymer and in the presence of a catalyst system comprising solventsoluble compounds which are (i) a hydrocarbyllithium, together with (ii) a trihydrocarbylboron compound containing at least one hydrocarbyl of the formula where each of R 1 to R 5 is hydrogen or alkyl or R 1 and R 3 , together with the C=C group, form a cycloalkenyl or aryl group, the final concentration of active lithium compound being greater than the final concentration of boron compound. The compounds (i) and (ii) may be complexed beforehand, optionally in the presence of a diene such as isoprene. Alternatively, the boron compound may be added after partial conversion of monomer using the lithium hydrocarbyl. The lining polymer products may be coupled. In examples, isoprene is polymerized in a C 5 – alkane-alkene mixture using (i) sec-butyl lithium and (ii) triallyl- or tribenzyl boron (and in comparative procedures triethyl boron or tetraallyltin). The products are in some cases coupled, using diethyl adipate or the polymerization product of a mixture of esters of methacrylic acid with C 14-15 primary alcohols. The products have high cis-1,4-contents.
GB2564073A
1972-06-01
1973-05-30
Fingerprint developing apparatus
Expired
GB1433202A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
NL7207398A
NL7207398A
(en)
1972-06-01
1972-06-01
Publications (1)
Publication Number
Publication Date
GB1433202A
true
GB1433202A
(en)
1976-04-22
Family
ID=19816187
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2564073A
Expired
GB1433202A
(en)
1972-06-01
1973-05-30
Fingerprint developing apparatus
Country Status (9)
Country
Link
JP
(1)
JPS5642607B2
(en)
BE
(1)
BE799911A
(en)
CA
(1)
CA1018699A
(en)
DE
(1)
DE2327740A1
(en)
FR
(1)
FR2186482B1
(en)
GB
(1)
GB1433202A
(en)
IT
(1)
IT988821B
(en)
NL
(1)
NL7207398A
(en)
ZA
(1)
ZA733692B
(en)
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR1295181A
(en)
*
1960-07-23
1962-06-01
Bayer Ag
Preparation of polymers and copolymers of conjugated diolefins in the presence of catalysts containing lithium
1972
1972-06-01
NL
NL7207398A
patent/NL7207398A/xx
not_active
Application Discontinuation
1973
1973-05-10
CA
CA170,949A
patent/CA1018699A/en
not_active
Expired
1973-05-23
BE
BE1005082A
patent/BE799911A/en
unknown
1973-05-30
JP
JP5992673A
patent/JPS5642607B2/ja
not_active
Expired
1973-05-30
ZA
ZA733692A
patent/ZA733692B/en
unknown
1973-05-30
IT
IT24853/73A
patent/IT988821B/en
active
1973-05-30
DE
DE2327740*A
patent/DE2327740A1/en
not_active
Withdrawn
1973-05-30
FR
FR7319684A
patent/FR2186482B1/fr
not_active
Expired
1973-05-30
GB
GB2564073A
patent/GB1433202A/en
not_active
Expired
Also Published As
Publication number
Publication date
IT988821B
(en)
1975-04-30
NL7207398A
(en)
1973-12-04
JPS5642607B2
(en)
1981-10-06
CA1018699A
(en)
1977-10-04
DE2327740A1
(en)
1973-12-20
BE799911A
(en)
1973-11-23
FR2186482B1
(en)
1976-05-28
JPS4951379A
(en)
1974-05-18
ZA733692B
(en)
1974-04-24
FR2186482A1
(en)
1974-01-11
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Legal Events
Date
Code
Title
Description
1976-09-02
PS
Patent sealed
1982-01-06
PCNP
Patent ceased through non-payment of renewal fee
