GB1234144A - - Google Patents
Info
- Publication number
- GB1234144A GB1234144A GB1234144DA GB1234144A GB 1234144 A GB1234144 A GB 1234144A GB 1234144D A GB1234144D A GB 1234144DA GB 1234144 A GB1234144 A GB 1234144A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyarylamines
- methylene bridged
- heading
- characterizing
- formaldehyde
- 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
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000006317 isomerization reaction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1915869 | 1969-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1234144A true GB1234144A (https=) | 1971-06-03 |
Family
ID=10124730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1234144D Expired GB1234144A (https=) | 1969-04-15 | 1969-04-15 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2018053A1 (https=) |
| GB (1) | GB1234144A (https=) |
| NL (1) | NL7005176A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039581A (en) * | 1975-06-27 | 1977-08-02 | The Upjohn Company | Process for the preparation of di(amino phenyl)methanes |
-
1969
- 1969-04-15 GB GB1234144D patent/GB1234144A/en not_active Expired
-
1970
- 1970-04-10 NL NL7005176A patent/NL7005176A/xx unknown
- 1970-04-15 DE DE19702018053 patent/DE2018053A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2018053A1 (de) | 1970-10-22 |
| NL7005176A (https=) | 1970-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |