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US5166383A Expired / Lapsed US ⏱️ 0.0 years remaining

Organosilane aminals and aminal adducts

Assignee: Novartis Corp
•
Filing: 1990-06-07
•
Granted: 1992-11-24
•
Expires: 2010-06-07
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Abstract

Abstract Compounds of general formula I ##STR1## wherein R 2 is hydrogen unsubstituted C 1 -C 6 alkyl or C 1 -C 6 alkyl substituted by --OH, --CN or by --Si(OR 3 ) 3-q R 4 q , or C 2 -C 6 alkenyl, R 3 is C 1 -C 4 alkyl, or two radicals R 3 together are C 1 -C 4 alkylene, R 4 is C 1 -C 4 alkyl or phenyl, and q is from 0 to 2, and E is a radical of the formula ##STR2## wherein R 5 is hydrogen or C 1 -C 4 alkyl and R 6 is hydrogen, or R 5 and R 6 together are C 4 -C 8 alkylene, or and A is --(CH 2 ) r --O--, wherein r is 1,2 or 3, and p is 0 or 1, and Y is oxygen or sulfur; and wherein T is a radical --R 9 --Si(OR 3 ) 3-q R 4 q , a radical of the formula ##STR3## X is --S-- or --NH--, and Z is an organic radical derived from a polyisocyanate or polyisothiocyanate having at least 2 NCO or NCS groups, respectively, are suitable as adhesion promoters, especially for moisture-curing polyurethane resins.

Inventors

  • 👤 Giovanni Parrinello
  • 👤 Hubert Simon
  • 👤 Rolf Mulhaupt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:11
CPC Classifications
C; C09; C09D; C09D175/00; C09D175/04; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08; C08K; C08K5/00; C08K5/54; C08K5/544; C08K5/5465; C09J; C09J175/00; C09J175/04; C08L; C08L2666/00; C08L2666/28; C08L2666/44

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 239 words
A compound of the formula I ##STR48## wherein R 1 is C 2 -C 3 alkylene, R 2 is hydrogen, unsubstituted C 1 -C 6 alkyl or C 1 -C 6 alkyl substituted by --OH, --CN or by --Si(OR 3 ) 3-q R 4 q , or C 2 -C 6 alkenyl, R 3 is C 1 -C 4 alkyl, or two radicals R 3 together are C 1 -C 4 alkylene, R 4 is C 1 -C 4 alkyl or phenyl, and q is from 0 to 2, and E is a radical of the formula ##STR49## wherein R 5 is hydrogen or C 1 -C 4 alkyl and R 6 is hydrogen, or R 5 and R 6 together are C 4 -C 8 alkylene, or R 9 is C 1 -C 8 alkylene, and A is [--(CH 2 ) r --O--], wherein r is 1, 2 or 3, and p is 0 or 1, and Y is oxygen or sulfur, and wherein T is a radical --R 9 --Si(OR 3 ) 3-q R 4 q , a radical of the formula ##STR50## wherein R 3 , R 4 , R 9 , Y and q are as defined above, X is --S-- or --NH--, and Z is an organic radical derived from a polyisocyanate or polyisothiocyanate having at least two NCO or NCS groups respectively. and m is 1 to 49 n is 1 to 49.
Claim 2
Dependent Claim 239 words
A compound of the formula I ##STR48## wherein R 1 is C 2 -C 3 alkylene, R 2 is hydrogen, unsubstituted C 1 -C 6 alkyl or C 1 -C 6 alkyl substituted by --OH, --CN or by --Si(OR 3 ) 3-q R 4 q , or C 2 -C 6 alkenyl, R 3 is C 1 -C 4 alkyl, or two radicals R 3 together are C 1 -C 4 alkylene, R 4 is C 1 -C 4 alkyl or phenyl, and q is from 0 to 2, and E is a radical of the formula ##STR49## wherein R 5 is hydrogen or C 1 -C 4 alkyl and R 6 is hydrogen, or R 5 and R 6 together are C 4 -C 8 alkylene, or R 9 is C 1 -C 8 alkylene, and A is [--(CH 2 ) r --O--], wherein r is 1, 2 or 3, and p is 0 or 1, and Y is oxygen or sulfur, and wherein T is a radical --R 9 --Si(OR 3 ) 3-q R 4 q , a radical of the formula ##STR50## wherein R 3 , R 4 , R 9 , Y and q are as defined above, X is --S-- or --NH--, and Z is an organic radical derived from a polyisocyanate or polyisothiocyanate having at least two NCO or NCS groups respectively. and m is 1 to 49 n is 1 to 49.
Claim 3
Dependent Claim 14 words
A compound according to claim 1 of formula I wherein R 1 is ethylene.
Claim 4
Dependent Claim 10 words
A compound according to claim 1 wherein Y is O.
Claim 5
Dependent Claim 45 words
A compound according to claim 1 of formula I, wherein Z is derived from an aliphatic, cycloaliphatic, aliphatic/aromatic polyisocyanate or polyisothiocyanate having at least 2 NCO or NCS groups, this radical optionally containing one or more ester, ether, urethane, thiourethane, isocyanurate, urea or biuret functions.
Claim 6
Dependent Claim 43 words
A compound according to claim 4 of formula I, wherein Z is derived from an aliphatic or mixed aliphatic/aromatic polyisocyanate having at least 2 NCO groups, this radical Z optionally containing one or two ester, ether, urethane, thiourethane, isocyanurate, urea or biuret functions.
Claim 7
Dependent Claim 21 words
A compound according to claim 1 of formula I, wherein the radical Z has a mean molecular weight M n <10,000.
Claim 8
Dependent Claim 23 words
A compound according to claim 1 of formula I, wherein n and m each independently of the other are from 1 to 49.
Claim 9
Dependent Claim 19 words
A compound according to claim 1 of formula I, wherein the sum of n+m is from 2 to 50.
Claim 10
Dependent Claim 23 words
A compound according to claim 1 of formula I, wherein n is 1, 2 or 3 and m is 3, 2 or 1.
Claim 11
Dependent Claim 13 words
A compound according to claim 1 of formula I, wherein p is 0.
Claim 12
Dependent Claim 13 words
A compound according to claim 1 of formula I, wherein q is 0.
Claim 13
Dependent Claim 18 words
A compound according to claim 1 of formula I, wherein E is a radical of the formula ##STR51##
Claim 14
Dependent Claim 27 words
A compound according to claim 12 of formula I, wherein R 5 is isopropyl or tert.-butyl or R 5 together with R 6 is tetramethylene or pentamethylene.
Claim 15
Dependent Claim 28 words
A compound according to claim 1 of formula I, wherein T is a radical of the formula --R 9 --Si(OR 3 ) 3-q R 4 q or ##STR52##
Claim 16
Dependent Claim 17 words
A compound according to claim 14 of formula I, wherein at least one radical X is --S--.
Claim 17
Dependent Claim 42 words
A compound according to claim 1 of formula I, wherein p is 0 and m is 1, E is a radical ##STR53## wherein R 5 is C 3 -- or C 4 -alkyl and R 2 is C 1 -C 4 alkyl.

References Cited (Backward Citations)

US3787416A Cited
US4082689A Cited
US4404379A Cited
US4289869A Cited
DE3414877A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-11-24 1996-05-25 1996-11-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-11-24 2000-05-25 2000-11-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-11-24 2004-05-25 2004-11-24 $7700.00 Window Closed / Lapsed

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