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US4413112A
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Emulsifiers, aqueous isocyanate emulsions containing them and their use as binders in a process for the manufacture of molded articles
Assignee: Bayer AG
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Filing: 1980-05-16
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Granted: 1983-11-01
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Expires: 2000-05-16
Abstract
Abstract This invention relates to new emulsifiers for aqueous isocyanate emulsions and to their use as binders in the production of molded articles, in particular plates, e.g., from materials containing lignocellulose.
Inventors
- 👤 Helmut Reiff
- 👤 Hanns I. Sachs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:37
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/2815; C08G18/283; B; B32; B32B; B32B21/00; B32B21/02; B32B15/00; B32B15/04; B32B15/10; B32B21/04; B32B21/042; C08G18/285; C08G18/288; C08G18/67; C08G18/671; C08G18/674; C08G18/70; C08G18/703; C08G18/705; C08G18/706; C08L; C08L97/00; C08L97/02; C09; C09K; C09K23/00; C09K23/16; B32B2307/00; B32B2307/50; B32B2307/54; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
97 words
Emulsifiers comprising R--X--(CH.sub.2 --CH.sub.2 --O).sub.n --CO--NH--Y wherein X is selected from the group consisting of --O--, ##STR4## --CH 2 --O-- or --S--, n represents a number from 10 to 50, R' represents a C 1 -C 3 alkyl group, R represents a radical selected from the group consisting of an aromatic radical having 6 to 9 carbon atoms, a cycloaliphatic radical having 3 to 9 carbon atoms and a heterocyclic radical having from 2 to 9 carbon atoms in the ring, and Y represents a group obtained by removal of an isocyanate group from an organic polyisocyanate.
Claim 2
Dependent Claim
97 words
Emulsifiers comprising R--X--(CH.sub.2 --CH.sub.2 --O).sub.n --CO--NH--Y wherein X is selected from the group consisting of --O--, ##STR4## --CH 2 --O-- or --S--, n represents a number from 10 to 50, R' represents a C 1 -C 3 alkyl group, R represents a radical selected from the group consisting of an aromatic radical having 6 to 9 carbon atoms, a cycloaliphatic radical having 3 to 9 carbon atoms and a heterocyclic radical having from 2 to 9 carbon atoms in the ring, and Y represents a group obtained by removal of an isocyanate group from an organic polyisocyanate.
Claim 3
Dependent Claim
22 words
Emulsifiers as claimed in claim 1, wherein Y represents a group obtained by removal of an isocyanate group from a polyphenyl-polymethylene polyisocyanate.
Claim 4
Dependent Claim
21 words
Emulsifiers as claimed in claim 1, wherein Y represents a group obtained by removal of an isocyanate group from tolylene diisocyanate.
Claim 5
Dependent Claim
34 words
Emulsifiers as claimed in claim 1, wherein RX is selected from the group consisting of ##STR5## wherein R" represents a methyl group, halogen or --NO 2 and R"' represents a methyl or ethyl group.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-31 | 1987-05-02 | 1987-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-31 | 1991-05-02 | 1991-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-31 | 1995-05-02 | 1995-11-01 | $7700.00 | Window Closed / Lapsed |