BE702335A - - Google Patents
Info
- Publication number
- BE702335A BE702335A BE702335DA BE702335A BE 702335 A BE702335 A BE 702335A BE 702335D A BE702335D A BE 702335DA BE 702335 A BE702335 A BE 702335A
- Authority
- BE
- Belgium
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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57053266A | 1966-08-05 | 1966-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE702335A true BE702335A (xx) | 1968-01-15 |
Family
ID=24280011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE702335D BE702335A (xx) | 1966-08-05 | 1967-08-04 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5141632B1 (xx) |
| BE (1) | BE702335A (xx) |
| CA (1) | CA919836A (xx) |
| DE (1) | DE1643448A1 (xx) |
| GB (1) | GB1180795A (xx) |
| NL (1) | NL6710805A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2422696A1 (fr) | 1978-04-13 | 1979-11-09 | Rhone Poulenc Ind | Polymeres a groupements imide |
| US4792624A (en) * | 1987-02-26 | 1988-12-20 | The Dow Chemical Company | Process for polymeric MDA, recycle of finished polymeric MDA |
| DE102006004047A1 (de) * | 2006-01-28 | 2007-08-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| US20160017110A1 (en) * | 2013-03-14 | 2016-01-21 | Honeywell International Inc. | Compositions and methods comprising vinylidene fluoride |
| WO2025054959A1 (zh) * | 2023-09-15 | 2025-03-20 | 万华化学集团股份有限公司 | 二苯基甲烷系列的二胺和多胺的制备方法 |
| CN117185936B (zh) * | 2023-09-15 | 2025-11-04 | 万华化学集团股份有限公司 | 二苯基甲烷系列的二胺和多胺的制备方法 |
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1967
- 1967-07-19 CA CA995847A patent/CA919836A/en not_active Expired
- 1967-07-31 DE DE19671643448 patent/DE1643448A1/de active Pending
- 1967-08-04 JP JP42049858A patent/JPS5141632B1/ja active Pending
- 1967-08-04 GB GB36017/67A patent/GB1180795A/en not_active Expired
- 1967-08-04 BE BE702335D patent/BE702335A/xx unknown
- 1967-08-04 NL NL6710805A patent/NL6710805A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1180795A (en) | 1970-02-11 |
| CA919836A (en) | 1973-01-23 |
| DE1643448A1 (de) | 1971-05-27 |
| NL6710805A (xx) | 1968-02-06 |
| JPS5141632B1 (xx) | 1976-11-11 |