The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2012
Filed:
Aug. 31, 2007
Applicants:
Udo Gropp, Bad Endorf, DE;
Robert Weber, Alsbach-Haehnlein, DE;
Thomas Schaefer, Buettelborn, DE;
Andreas Perl, Bobenheim-Roxheim, DE;
Rudolf Sing, Worms, DE;
Thomas Mertz, Bensheim, DE;
Inventors:
Udo Gropp, Bad Endorf, DE;
Robert Weber, Alsbach-Haehnlein, DE;
Thomas Schaefer, Buettelborn, DE;
Andreas Perl, Bobenheim-Roxheim, DE;
Rudolf Sing, Worms, DE;
Thomas Mertz, Bensheim, DE;
Assignee:
Evonik Röhm GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 253/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates in general terms to a process for preparing acetone cyanohydrin, comprising as steps:
Gropp, Udo. (2012). Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products (U.S. Patent No. 8143434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8143434
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile