US4316987A
Expired / Lapsed
US
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Partial (2,2,4-trimethylpentane-1,3-diol monoisobutyrate) esters of polycarboxylic acids and water-soluble salts of said partial esters
Assignee: Occidental Chemical Corp
•
Filing: 1981-01-09
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Granted: 1982-02-23
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Expires: 2001-01-09
Abstract
Abstract Partial (2,2,4-trimethylpentane-1,3-diol monoisobutyrate) esters of polycarboxylic acids and water-soluble salts of these esters are useful in the manufacture of vinyl halide resins that have excellent optical properties.
Inventors
- 👤 Mario Q. Ceprini
- 👤 Marvin Koral
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:06
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/34; C07C69/40
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
49 words
A compound having the structural formula ##STR3## wherein X represents the residue of an aliphatic polycarboxylic acid having 2 to 4 carboxyl groups and 4 to 20 carbon atoms, n is a number in the range of 1 to 3, and R represents hydrogen, ammonium, amine, or alkali metal.
Claim 2
Dependent Claim
49 words
A compound having the structural formula ##STR3## wherein X represents the residue of an aliphatic polycarboxylic acid having 2 to 4 carboxyl groups and 4 to 20 carbon atoms, n is a number in the range of 1 to 3, and R represents hydrogen, ammonium, amine, or alkali metal.
Claim 3
Dependent Claim
18 words
A compound as defined in claim 1 that is a mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) ester of an aliphatic dicarboxylic acid.
Claim 4
Dependent Claim
12 words
The compound as defined in claim 2 that is mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) maleate.
Claim 5
Dependent Claim
12 words
The compound as defined in claim 2 that is mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) adipate.
Claim 6
Dependent Claim
22 words
A compound as defined in claim 1 that is the ammonium salt of a mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) ester of an aliphatic dicarboxylic acid.
Claim 7
Dependent Claim
16 words
The compound as defined in claim 5 that is the ammonium salt of mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) maleate.
Claim 8
Dependent Claim
22 words
A compound as defined in claim 1 that is the sodium salt of a mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) ester of an aliphatic dicarboxylic acid.
Claim 9
Dependent Claim
11 words
A compound as defined in claim 2 that is mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate)dodecenylsuccinate.
Claim 10
Dependent Claim
12 words
A compound as defined in claim 2 that is mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) succinate.
Claim 11
Dependent Claim
16 words
A compound as defined in claim 5 that is the ammonium salt of mono(2,2,4-trimethylpentane-1,3-diol monoisobutyrate) itaconate.
References Cited (Backward Citations)
US2703811A
Cited
US2588194A
Cited
US3048608A
Cited
US3318835A
Cited
US3714053A
Cited
US4014708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-02-22 | 1985-08-24 | 1986-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-22 | 1989-08-24 | 1990-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-22 | 1993-08-24 | 1994-02-23 | $7700.00 | Window Closed / Lapsed |