NL184065C - Werkwijze voor de bereiding van polymethyleenpolyfenylpolycarbamaten. - Google Patents
Werkwijze voor de bereiding van polymethyleenpolyfenylpolycarbamaten.Info
- Publication number
- NL184065C NL184065C NLAANVRAGE8003935,A NL8003935A NL184065C NL 184065 C NL184065 C NL 184065C NL 8003935 A NL8003935 A NL 8003935A NL 184065 C NL184065 C NL 184065C
- Authority
- NL
- Netherlands
- Prior art keywords
- preparation
- polymethylene polyphenyl
- polycarbamates
- polyphenyl polycarbamates
- polymethylene
- Prior art date
Links
- -1 POLYMETHYLENE Polymers 0.000 title 1
- 229920006389 polyphenyl polymer Polymers 0.000 title 1
- 229920002635 polyurethane Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
-
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8587279 | 1979-07-09 | ||
JP8587279A JPS5612357A (en) | 1979-07-09 | 1979-07-09 | Production of polymethylenepolyphenylpolycarbamate |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8003935A NL8003935A (nl) | 1981-01-13 |
NL184065B NL184065B (nl) | 1988-11-01 |
NL184065C true NL184065C (nl) | 1989-04-03 |
Family
ID=13870978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE8003935,A NL184065C (nl) | 1979-07-09 | 1980-07-08 | Werkwijze voor de bereiding van polymethyleenpolyfenylpolycarbamaten. |
Country Status (6)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1150293A (en) * | 1979-10-01 | 1983-07-19 | Keisuke Wada | Process for the production of methylenedicarbanilates |
JPS58179581A (ja) * | 1982-04-14 | 1983-10-20 | Mitsubishi Heavy Ind Ltd | 合わせ材の製造方法 |
DE3370152D1 (en) * | 1982-12-07 | 1987-04-16 | Asahi Chemical Ind | Process for producing diphenylmethane dicarbamates |
JPS59172451A (ja) * | 1983-03-18 | 1984-09-29 | Asahi Chem Ind Co Ltd | ポリイソシアナ−ト類の製造方法 |
FR2649104B1 (US07696358-20100413-C00002.png) * | 1989-06-29 | 1991-09-27 | Rhone Poulenc Chimie | |
DE4200715A1 (de) * | 1992-01-14 | 1993-07-15 | Bayer Ag | Vinylpolymerisat-dispersionen |
ES2226965T3 (es) * | 1999-12-27 | 2005-04-01 | Huntsman International Llc | Proceso para la sintesis de policarmatos. |
US7022871B2 (en) | 1999-12-27 | 2006-04-04 | Huntsman International Llc | Process for the synthesis of polycarbamates |
CN1743307B (zh) * | 2004-08-30 | 2011-05-25 | 中国科学院成都有机化学有限公司 | 一种分离提纯二苯甲烷-(4,4')-二氨基甲酸酯的方法 |
HUE040222T2 (hu) * | 2011-11-08 | 2019-02-28 | Inst Process Eng Cas | Eljárás polimetilén-polifenil-poliamino-formiát elõállítására |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1042891B (de) | 1956-08-16 | 1958-11-06 | Bayer Ag | Verfahren zur Herstellung von stickstoffhaltigen Kondensationsprodukten |
US2946768A (en) * | 1957-08-12 | 1960-07-26 | Bayer Ag | Condensation products of carbamic acid esters |
US4146727A (en) * | 1977-10-03 | 1979-03-27 | Atlantic Richfield Company | Process for the preparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamates by the acid rearrangement of an (alkoxycarbonyl) phenylaminomethylphenyl compound |
US4163019A (en) * | 1978-07-10 | 1979-07-31 | Shell Oil Company | Production of 4,4'-alkylidene diphenyl diisocyanate |
US4162362A (en) * | 1978-10-20 | 1979-07-24 | Atlantic Richfield Company | Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates |
IT1126563B (it) * | 1978-12-14 | 1986-05-21 | Mitsui Toatsu Chemicals | Processo per preparare polimetilen polifenil policarbammati |
US4172948A (en) * | 1979-01-24 | 1979-10-30 | Atlantic Richfield Company | Preparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamates |
US4202986A (en) * | 1979-02-12 | 1980-05-13 | Atlantic Richfield Company | Preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates with Lewis acid catalysts intercalated in graphite |
-
1979
- 1979-07-09 JP JP8587279A patent/JPS5612357A/ja active Granted
-
1980
- 1980-07-02 US US06/164,513 patent/US4319018A/en not_active Expired - Lifetime
- 1980-07-08 GB GB8022360A patent/GB2054584B/en not_active Expired
- 1980-07-08 NL NLAANVRAGE8003935,A patent/NL184065C/xx not_active IP Right Cessation
- 1980-07-09 DE DE3025999A patent/DE3025999C2/de not_active Expired
- 1980-07-09 FR FR8015274A patent/FR2460972B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2054584B (en) | 1983-10-19 |
FR2460972B1 (fr) | 1985-08-30 |
GB2054584A (en) | 1981-02-18 |
FR2460972A1 (fr) | 1981-01-30 |
DE3025999A1 (de) | 1981-01-29 |
NL8003935A (nl) | 1981-01-13 |
DE3025999C2 (de) | 1987-02-05 |
JPS5612357A (en) | 1981-02-06 |
US4319018A (en) | 1982-03-09 |
NL184065B (nl) | 1988-11-01 |
JPS6242896B2 (US07696358-20100413-C00002.png) | 1987-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |