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USPatent applicationPatented

Intermediate for sweetener with high sweetness and process for producing the same

Granted 23 Aug 2005 · 1 office action

Current assignee: Ajinomoto Co., Inc. · originally Ajinomoto Co. Inc.

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Inventors: Shigeru Kawahara, Tadashi Takemoto, Kenichi Mori, Kazutaka Nagashima · Examiner: Johann Richter · AU 1621 · TC 1600

Application· this page
10/706,083
filed 13 Nov 2003
Publication
US 20040133027 A1
published 8 Jul 2004
Patent
US 6,933,408
granted 23 Aug 2005
Patented
Status
granted 23 Aug 2005
649
Days in prosecution
filing to grant
7
Claims as granted
1 independent
55
File wrapper
transactions
2023
20-year term
term adjustment not held
none
Litigation
checked

Life of the application

7 dated events
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Abstract

The present invention relates to a 3-substituted-phenyl-3-merthylbutyric acid and 3-substituted-phenyl-3-merthylaldehyde derivatives, which are useful in the production of N-[N-[3-(3-hydroxy-4-methoxyphenyl)-3-methylbutyl]-L-α-aspartyl]-L-phenylalanine 1-methyl ester, which is a sweetener with high sweetening potency.

Claims as granted

7 claims

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Classifications

3 codes
IPC · International Patent Classification
Section C — Chemistry; metallurgy
  • C07C059/125
USPC · US Patent Classification
562/588562/496

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⤢ drag to zoomOct 2003Jan 2004Apr 2004Jul 2004Oct 2004Jan 2005Apr 2005Jul 2005Oct 2005USPTOApplicantRestriction requirementNotice of allowanceNotice of allowance
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Pendency
1.8 y
649 days filing → grant
Office actions
0
after a restriction
Responses
1
no RCE
Interviews
1
examiner interview summaries
Examiner
Johann Richter
art unit 1621 · TC 1600
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Citations: 9 back · 0 forward

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Documents

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