Patent US4059618A successfully refreshed from Google Patents.
US4059618A
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Tetrahalogen xylylene diacrylates, tetrahalogen xylyl acrylates, pentahalogen benzyl acrylates, and substituted acrylates
Assignee: Dynamit Nobel AG
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Filing: 1975-06-24
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Granted: 1977-11-22
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Expires: 1995-06-24
Abstract
Abstract Compounds of the formula: ##STR1## WHEREIN: EACH X is chloro or bromo Y is methyl or bromo n is 0 or 1 Each of R and R' is hydrogen or methyl. The compounds are produced by contacting an alkali salt of R'--(CH═C(R)--COOH with tetrahalogen xylene chloride or xylylene dichloride or pentabromobenzylchloride in a polar solvent. The compounds are useful as comonomers and as cross linking agents in polymerization of unsaturated compounds.
Inventors
- 👤 Georg Blumenfeld
- 👤 Hermann Richtzenhain
- 👤 Wilhelm Vogt
- 👤 Norbert Volkommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:54
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/62; C07C69/65; C07C69/653
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
31 words
Compound of the formula: ##STR5## wherein: each X is chloro or bromo Y is methyl or bromo n is 0 or 1 each of R and R' is hydrogen or methyl
Claim 2
Dependent Claim
31 words
Compound of the formula: ##STR5## wherein: each X is chloro or bromo Y is methyl or bromo n is 0 or 1 each of R and R' is hydrogen or methyl
Claim 3
Dependent Claim
11 words
Compound of claim 1, wherein R and R' is each hydrogen.
Claim 4
Dependent Claim
12 words
Compound of claim 1, wherein R is methyl and R' is hydrogen.
Claim 5
Dependent Claim
12 words
Compound of claim 1, wherein R is hydrogen and R' is methyl.
Claim 6
Dependent Claim
16 words
Compound of claim 1, wherein n is 0 and the ester groups are in para positions.
Claim 7
Dependent Claim
11 words
Compound of claim 5, wherein R and R' is each hydrogen.
Claim 8
Dependent Claim
12 words
Compound of claim 5, wherein R is methyl and R' is hydrogen.
Claim 9
Dependent Claim
12 words
Compound of claim 5, wherein R is hydrogen and R' is methyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-21 | 1981-05-23 | 1981-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-21 | 1985-05-23 | 1985-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-21 | 1989-05-23 | 1989-11-22 | $7700.00 | Window Closed / Lapsed |