BE726620A - - Google Patents
Info
- Publication number
- BE726620A BE726620A BE726620DA BE726620A BE 726620 A BE726620 A BE 726620A BE 726620D A BE726620D A BE 726620DA BE 726620 A BE726620 A BE 726620A
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
-
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF0054502 | 1968-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726620A true BE726620A (US06653308-20031125-C00184.png) | 1969-06-16 |
Family
ID=7107129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726620D BE726620A (US06653308-20031125-C00184.png) | 1968-01-08 | 1969-01-08 |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887507A (en) * | 1971-06-18 | 1975-06-03 | Reichhold Albert Chemie Ag | Process for preparing triketoimidazolidines and product |
| DE2536492A1 (de) * | 1975-08-16 | 1977-02-24 | Bayer Ag | Semipermeable membranen aus sulfonierten polybenz-1,3-oxazindionen- (2,4) |
| DE2536491A1 (de) * | 1975-08-16 | 1977-02-24 | Bayer Ag | Sulfonierte polybenz-1,3-oxazindione-(2,4) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3244675A (en) * | 1963-03-04 | 1966-04-05 | Du Pont | Poly (1, 3-oxaza-2, 4-diones) polymers |
-
1968
- 1968-01-08 DE DE19681720774 patent/DE1720774A1/de active Pending
- 1968-12-30 US US788065A patent/US3541048A/en not_active Expired - Lifetime
-
1969
- 1969-01-01 GB GB07/69A patent/GB1203401A/en not_active Expired
- 1969-01-07 NL NL6900232A patent/NL6900232A/xx unknown
- 1969-01-07 SE SE00139/69A patent/SE335801B/xx unknown
- 1969-01-08 FR FR6900138A patent/FR2000072A1/fr not_active Withdrawn
- 1969-01-08 BE BE726620D patent/BE726620A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE335801B (US06653308-20031125-C00184.png) | 1971-06-07 |
| FR2000072A1 (US06653308-20031125-C00184.png) | 1969-08-29 |
| NL6900232A (US06653308-20031125-C00184.png) | 1969-07-10 |
| US3541048A (en) | 1970-11-17 |
| GB1203401A (en) | 1970-08-26 |
| DE1720774A1 (de) | 1971-07-15 |
