Springer; Helmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Springer; Helmut.The latest application filed is for "catalytic process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids".

Company Profile

0.16.15

Springer; Helmut - Dinslaken DE
Springer; Helmut - Oberhausen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Catalytic process for preparing aliphatic straight-chain and .beta.-alkyl-branched carboxylic acids Grant 7,799,945 - Springer September 21, 2	2010-09-21
Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for its preparation Grant 7,358,385 - Springer , et al. April 15, 2	2008-04-15
3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for its preparation Grant 7,342,135 - Springer , et al. March 11, 2	2008-03-11
Process for preparing TCD-diamine Grant 7,317,128 - Lappe , et al. January 8, 2	2008-01-08
Catalytic process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids App 20070265467 - Springer; Helmut	2007-11-15
3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for its preparation App 20070179319 - Springer; Helmut ; et al.	2007-08-02
Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for its preparation App 20070179314 - Springer; Helmut ; et al.	2007-08-02
3(4),7(8)-Dihydroxymethylbicyclo[4,3,0]nonane and a process for its preparation App 20070179323 - Springer; Helmut ; et al.	2007-08-02
Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids Grant 7,138,544 - Springer , et al. November 21, 2	2006-11-21
Process for preparing TCD-monenal Grant 7,122,706 - Lappe , et al. October 17, 2	2006-10-17
Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids App 20060106249 - Springer; Helmut ; et al.	2006-05-18
Process for preparing TCD-dialdehyde Grant 7,015,362 - Lappe , et al. March 21, 2	2006-03-21
Process for dehydrating 2-methylpentane-2,4-diol App 20060058561 - Springer; Helmut	2006-03-16
Process for preparing N-methyldialkylamines from secondary dialkylamines and formaldehyde Grant 6,982,352 - Lappe , et al. January 3, 2	2006-01-03
Process for preparing TCD-alcohol DM Grant 6,939,997 - Lappe , et al. September 6, 2	2005-09-06
Process for preparing TCD-alcohol DM App 20050107644 - Lappe, Peter ; et al.	2005-05-19
Process for preparing TCD-monenal App 20050107640 - Lappe, Peter ; et al.	2005-05-19
Process for preparing TCD-dialdehyde App 20050101805 - Lappe, Peter ; et al.	2005-05-12
Process for preparing TCD-diamine App 20050101796 - Lappe, Peter ; et al.	2005-05-12
Carboxylic esters based on 2-hydroxymethylnorbornane App 20040210081 - Lappe, Peter ; et al.	2004-10-21
Process for preparing N-methyldialkylamines from secondary dialkylamines and formaldehyde App 20040204611 - Lappe, Peter ; et al.	2004-10-14
Method for the synthesis of aliphatic carboxylic acids from aldehydes Grant 6,800,783 - Springer , et al. October 5, 2	2004-10-05
Method for producing aliphatic carboxylic acids from aldehydes Grant 6,696,582 - Springer , et al. February 24, 2	2004-02-24
Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes Grant 6,680,395 - Springer January 20, 2	2004-01-20
Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes App 20030100781 - Springer, Helmut	2003-05-29
Method for producing aliphatic carboxylic acids from aldehydes App 20030100793 - Springer, Helmut ; et al.	2003-05-29
Method for the synthesis of aliphatic carboxylic acids from aldehydes App 20030078453 - Springer, Helmut ; et al.	2003-04-24
Process for the recovery of rhodium from residues of the distillation of products of the oxo synthesis Grant 5,264,600 - Lappe , et al. * November 23, 1	1993-11-23
Novel rhodium recovery Grant 5,091,546 - Lappe , et al. February 25, 1	1992-02-25
Process for the preparaton of 2-methylbutanal Grant 4,950,800 - Weber , et al. August 21, 1	1990-08-21
Process for the preparation of sulfonated aryl phosphine Grant 4,483,802 - Gartner , et al. November 20, 1	1984-11-20

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