US5219945A
Expired / Lapsed
US
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ABC triblock methacrylate polymers
Assignee: EIDP Inc
•
Filing: 1992-02-20
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Granted: 1993-06-15
•
Expires: 2012-02-20
Abstract
Abstract This application discloses linear methacrylic ABC triblock polymers in which the composition of each of the three blocks is different and wherein at least one of the blocks is hydrophobic and at least one of the blocks is hydrophilic.
Inventors
- 👤 Ira B. Dicker
- 👤 Walter R. Hertler
- 👤 Sheau-Hwa Ma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:00
CPC Classifications
C; C08; C08L; C08L53/00; C08F; C08F293/00; C08F293/005
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
30 words
A linear methacrylic ABC triblock polymer in which the composition of each of the three blocks is different, having at least one hydrophilic block and at least one hydrophobic block.
Claim 2
Dependent Claim
30 words
A linear methacrylic ABC triblock polymer in which the composition of each of the three blocks is different, having at least one hydrophilic block and at least one hydrophobic block.
Claim 3
Dependent Claim
27 words
The methacrylic ABC triblock polymer of claim 1 wherein the "B" block does not contain a significant amount of the components of the "A" and "C" blocks.
Claim 4
Dependent Claim
19 words
The methacrylic ABC triblock polymer of claim 2 wherein two or all three of the blocks are mutually immiscible.
Claim 5
Dependent Claim
39 words
The methacrylic ABC triblock polymer of claim 1 or claim 2 wherein the A and C blocks are hydrophilic and the B block is hydrophobic or the B block is hydrophilic and the A and C blocks are hydrophobic.
Claim 6
Dependent Claim
24 words
The methacrylic ABC triblock polymer of claim 1 or claim 2 wherein the A and C blocks differ in stiffness from the B block.
Claim 7
Dependent Claim
26 words
The methacrylic ABC triblock polymer of claim 1 or claim 2 wherein the A and C blocks differ in glass transition temperature from the B block.
Claim 8
Dependent Claim
24 words
The methacrylic ABC triblock polymer of claim 1 or claim 2 wherein the A and C blocks differ in polarity from the B block.
Claim 9
Dependent Claim
29 words
The methacrylic ABC triblock polymer of claim 1 wherein each of the blocks comprises a methacrylic homopolymer, or its salt, or a linear methacrylic random copolymer, or its salt.
Claim 10
Dependent Claim
74 words
The ABC triblock polymer of claim 1 or claim 2 wherein the monomers used to construct the triblock polymer are each selected from methyl methacrylate, ethyl methacrylate, 2-ethylhexyl methacrylate, isobornyl methacrylate, benzyl methacrylate, 1-ethoxy-1-propyl methacrylate, glycidyl methacrylate, 2-trimethylsilyoxyethyl methacrylate, 2,2,2-trifluoroethyl methacrylate, 4-(tetrahydro-2-pyranyloxy)benzyl methacrylate, lauryl methacrylate, ethoxytriethylene glycol methacrylate, butoxyethyl methacrylate, methoxyethoxyethyl methacrylate, sorbyl methacrylate, 2-acetoxyethyl methacrylate, 3-trimethoxysilylpropyl methacrylate, allyl methacrylate, octyl methacrylate, methoxypolyethylene glycol methacrylate, ethoxyethyl methacrylate, tetrahydropyranyl methacrylate, t-butyl methacrylate and 2-dimethylaminoethyl methacrylate.
Claim 11
Dependent Claim
17 words
An ABC triblock polymer of claim 1 or claim 2 comprising poly(methacrylic acid-b-2-phenylethyl methacrylate-co-2-dimethylaminoethyl methacrylate-b-ethoxytriethylene glycol methacrylate).
Claim 12
Dependent Claim
17 words
An ABC triblock polymer of claim 1 or claim 2 comprising poly(methoxypolyethylene glycol methacrylate-b-2-phenylethyl methacrylate-b-ethoxytriethylene glycol methacrylate).
Claim 13
Dependent Claim
61 words
An ABC triblock polymer of claim 1 or claim 2 selected from poly(methacrylic acid-b-2-phenylethyl methacrylate-b-n-butyl methacrylate), poly(methacrylic acid-b-2-phenylethyl methacrylate-b-ethoxytriethylene glycol methacrylate), poly(methacrylic acid-b-2-phenylethyl methacrylate-b-methoxypolyethylene glycol methacrylate) and poly(methacrylic acid-co-methyl methacrylate-b-2-phenylethyl methacrylate-b-ethoxytriethylene glycol methacrylate), poly-ω-2-β-hydroxyethyl isobutyrate(methoxypolyethylene glycol 400 methacrylate)-b-2-phenylethyl methacrylate-b-ethoxytriethylene glycol methacrylate), poly(methacrylic acid-b-2-phenylethyl methacrylate-b-2-hydroxyethyl methacrylate), poly(methacrylic acid-b-2-phenylethyl methacrylate-b-2-ethoxyethyl methacrylate), poly(methacrylic acid-b-benzyl methacrylate-co-methyl methacrylate-b-ethoxytriethylene glycol methacrylate), and poly(methacrylic acid-b-benzyl methacrylate-b-ethoxytriethylene glycol methacrylate).
Claim 14
Dependent Claim
11 words
An alkali metal salt of the triblock polymer of claim 12.
Claim 15
Dependent Claim
31 words
An ABC triblock polymer of claim 1 or claim 2 selected from poly(2-dimethylaminoethyl methacrylate-co-methyl methacrylate-b-2-phenylethyl methacrylate-b-ethoxytriethylene glycol methacrylate), poly(2-dimethyl-aminoethyl methacrylate-co-methyl methacrylate-b-2-phenylethyl methacrylate-co-methacrylic acid-b-ethoxytriethylene glycol methacrylate) and poly(2-dimethylaminoethyl methacrylate-b-2-phenylethyl methacrylate-b-ethoxytriethylene glycol methacrylate).
Claim 16
Dependent Claim
11 words
A mineral acid salt of the triblock polymer of claim 14.
Claim 17
Dependent Claim
21 words
An ABC triblock polymer of claim 1 or claim 2 selected from poly(methacrylic acid-b-methyl methacrylate-b-2-dimethylaminoethyl methacrylate) and poly(2-dimethylaminoethyl methacrylate)-b-2-phenylethyl methacrylate]-b-methacrylic acid.
Claim 18
Dependent Claim
11 words
the alkali metal salt of the triblock polymer of claim 16.
Claim 19
Dependent Claim
11 words
The mineral acid salt of the triblock polymer of claim 16.
Claim 20
Dependent Claim
11 words
The alkali metal salt of the triblock polymer of claim 10.
References Cited (Backward Citations)
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US4417034A
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EP0408429A1
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WO1991000874A1
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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) | 1996-06-14 | 1996-12-14 | 1997-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-14 | 2000-12-14 | 2001-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-14 | 2004-12-14 | 2005-06-15 | $7700.00 | Window Closed / Lapsed |