Process for the production of phthalimides

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9701632
SERIAL NO

15102077

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention relates to a process to produce phthalimides by heating diammonium phthalate in the presence of aromatic solvents and to a process to produce phthalimides by heating diammonium phthalate in the presence of aromatic solvents for their recycled use during the ion exchanger production process. The diammonium phthalate is prepared by making use of the phthalic add salts solution resulted from the on exchanger production process.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
LANXESS DEUTSCHLAND GMBH50569 KÖLN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boeger, Uwe Leverkusen, DE 3 1
Issling, Guido Langenfeld, DE 1 1
Koschorreck, Markus Duesseldorf, DE 1 1
Martin, Georg Langenfeld, DE 9 11
Pies, Michael Duisburg, DE 6 11
Zarges, Wolfgang Cologne, DE 24 172

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • C07D Class
  • 0 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges158718941835528419501 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 90010020030040050060070080090010001100120013001400150016001700180019002000

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 11, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 11, 2029