US4068849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid golf ball
Assignee: Acushnet Co
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Filing: 1975-03-21
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Granted: 1978-01-17
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Expires: 1995-03-21
Abstract
Abstract An improved golf ball is made from a composition comprising an unsaturated elastomer cross linked with a chain comprising the reaction product of a monohydric alkenyl ester and a diisocyanate or a diisothiocyanate.
Inventors
- 👤 Gail D. DiSalvo
- 👤 Raymond A. Berard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; A; A63; A63B; A63B37/00; A63B37/0003; A63B37/0023; A63B37/005; A63B37/006; A63B37/0062; C08K; C08K3/00; C08K3/34; C08K3/36; C08K5/00; C08K5/16; C08K5/205; C08K5/36; C08K5/56; C08L; C08L21/00; C08L67/00; C08L71/00; C08L75/00; C08L9/00; A63B37/0065; A63B37/0068; Y; Y10; Y10S; Y10S273/00; Y10S273/08; Y10S273/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
166 words
A golf ball comprising at least in part a polymerized unsaturated elastomer said polymerized unsaturated elastomer being cross linked by a compound having the formula: ##STR3## wherein: R 1 is any divalent, aliphatic, or cycloaliphatic moiety of up to about 20 carbon atoms or mixtures thereof including heteroatom substituted aliphatic or cycloaliphatic moieties; R 2 is hydrogen or an alkyl group having up to about 5 carbon atoms; P y is an aliphatic, cycloaliphatic or aromatic moiety of from about 5 to about 20 carbon atoms or is R 3 --P z --R 4 wherein: R 3 is an aliphatic, cycloaliphatic or aromatic moiety of from about 5 to about 20 carbon atoms; R 4 is an aliphatic, cycloaliphatic or aromatic moiety of from about 5 to about 20 carbon atoms; P z is an organic polymeric segment selected from the group consisting of polyurethanes, polyureas, polyethers, and polyesters and has a molecular weight of from about 500 to about 5,000. X is oxygen or sulfur.
Claim 2
Dependent Claim
166 words
A golf ball comprising at least in part a polymerized unsaturated elastomer said polymerized unsaturated elastomer being cross linked by a compound having the formula: ##STR3## wherein: R 1 is any divalent, aliphatic, or cycloaliphatic moiety of up to about 20 carbon atoms or mixtures thereof including heteroatom substituted aliphatic or cycloaliphatic moieties; R 2 is hydrogen or an alkyl group having up to about 5 carbon atoms; P y is an aliphatic, cycloaliphatic or aromatic moiety of from about 5 to about 20 carbon atoms or is R 3 --P z --R 4 wherein: R 3 is an aliphatic, cycloaliphatic or aromatic moiety of from about 5 to about 20 carbon atoms; R 4 is an aliphatic, cycloaliphatic or aromatic moiety of from about 5 to about 20 carbon atoms; P z is an organic polymeric segment selected from the group consisting of polyurethanes, polyureas, polyethers, and polyesters and has a molecular weight of from about 500 to about 5,000. X is oxygen or sulfur.
Claim 3
Dependent Claim
11 words
The golf ball of claim 1 wherein the elastomer is polybutadiene.
Claim 4
Dependent Claim
22 words
The golf ball of claim 2 wherein the polybutadiene in its monomeric form has a cis 1,4 content of at least 90%.
Claim 5
Dependent Claim
26 words
The golf ball of claim 1 wherein the cross linking agent is the reaction product of a hydroxylated ester of an acrylic acid with a diisocyanate.
Claim 6
Dependent Claim
15 words
The golf ball of claim 4 wherein the hydroxylated ester of acrylic acid is 2-hydroxyethylmethacrylate.
Claim 7
Dependent Claim
11 words
The golf ball of claim 4 wherein the diisocyanate is bis(4-isocyanatophenyl)methane.
Claim 8
Dependent Claim
10 words
The golf ball of claim 1 further comprising zinc dimethacrylate.
Claim 9
Dependent Claim
10 words
The golf ball of claim 1 further comprising a filler.
Claim 10
Dependent Claim
11 words
The golf ball of claim 8 wherein the filler comprises silica.
References Cited (Backward Citations)
US3509234A
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US3666272A
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US3678014A
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US3719638A
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US3660143A
Cited
US3772404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-16 | 1981-07-18 | 1982-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-16 | 1985-07-18 | 1986-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-16 | 1989-07-18 | 1990-01-17 | $7700.00 | Window Closed / Lapsed |