Inventor

Gernot Reissenweber

Inventor

Boehl-Iggelheim, DE

Overview

24→

Patents

1981–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds50%

C07CAcyclic or carbocyclic compounds34%

A01NPreservation of bodies of humans or animals or plants or parts thereof9%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

6,488,818'Removal of impurities from 3-(2-acetoxyethyl)-dihydro-2(3H)furanone'2002 6,211,397'Process for the preparation of .alpha.-chloromethylene-triorganylphosphorane derivatives'2001 5,677,452'Process for the manufacture of 5-dichloroacetyl-3,3,6-trimethyl-9-oxo-1,5-diazabicyclo›4.3.0! nonane'1997 5,428,174'Preparation of .alpha.,.beta.-unsaturated ketones'1995 5,324,843'Process for making 3,4,5,6-tetrahydrophthalimide derivatives'1994 5,310,915'Process for the purification of 7-chloroquinoline-8-carboxylic acids'1994 5,245,041'Preparation of heterocyclic-cyclohexanedione derivatives'1993 5,149,882'Purification of 2-chloro-5-nitrobenzaldehyde or acetals thereof'1992 5,118,856'Preparation of cyclohexane-dione derivatives'1992 5,080,794'Separation of 1-methoxy-2-propanol and water'1992 4,868,308'Preparation of N-phenyl(pyridyl) sulfonyldiamides'1989 4,820,704'Pyridazinone derivatives and their use as fungicides'1989 4,788,324'Preparation of o-(1-methoxy-2-chloro)-ethoxyphenyl N-methylcarbamate'1988 4,748,250'Diastereoselective reduction of alpha-triazolylketones to betatriazolylcarbinols'1988 4,670,567'Process for the preparation of 5,6-dihydro-2H-thiopyran-3-carboxaldehyde derivatives wherein the reactions are conducted in a high boiling mineral oil without a catalyst'1987 4,629,799'Preparation of 3-formyltetrahydrothiopyrans'1986 4,626,544'Azole compounds and fungicides containing these compounds'1986 4,566,900'Aniline derivatives and their use for controlling undesirable plant growth'1986 4,537,986'Preparation of pyrocatechol methylcarbamate'1985 4,469,884'Preparation of n-methoxy-n-methylurethanes'1984 4,316,020'Preparation of isatoic anhydrides'1982 4,310,677'Preparation of alkyl anthranilates'1982 4,297,491'Preparation of 2,3-dioxo-1,4-benzoxazine derivatives'1981 4,260,562'Preparation of O,N-disubstituted hydroxylamines'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2002Patents assigned to BASF AG (23)· patent assignee history

1981–1989Based in Ludwigshafen, DE· patent location history

1984–2002Based in Boehl-Iggelheim, DE· patent location history

1992Patents assigned to FREUND WOLFGANG (1)· patent assignee history

1992Patents assigned to REISSENWEBER GERNOT (1)· patent assignee history

1992Patents assigned to SCHAEFER BERND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	23	1981–2002
FREUND WOLFGANG	1	1992
REISSENWEBER GERNOTself	1	1992
SCHAEFER BERND	1	1992

Locations

Location	Patents	Span
Boehl-Iggelheim, DE	18	1984–2002
Ludwigshafen, DE	6	1981–1989