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Chromogenic 3,1-benzoxazines

Filed: December 18th, 1988 [Granted]

Patent Number: 4835270

... CHROMOGENIC 3,1-BENZOXAZINES [75] Inventor: Horst Berneth, Leverkusen, Fed. Rep. of Germany [73] Assignee: Bayer Aktiengesellschaft, Leverkusen, Fed.

3-(1-Pyrazolyl)-pyridazine derivatives

Filed: June 9th, 1978 [Granted]

Assignee: Richter Gedeon Vegyeszeti Gyar Rt

Patent Number: 4251658

[1 1] 4251658 [451 Feb. 17, 1981 {S4} 3-(1-PYRAZOLYL)-PYRIDAZINE DERIVATIVES Geha Szilagyi; Endre Kasztreiner; Laszld Tardos; Edit Ko'sa; Ltiszlo' Jaszlits; ...

3,1 Benzoxazine 2,4-dione

Filed: October 23rd, 1981 [Granted]

Assignee: ICI Americas Inc

Patent Number: 4369316

Novel intermediates are also described. Compounds of formula (I) are useful as selective pre- and post-emergent herbicides. 1 Claim, No Drawings 3 ...

Recording material comprising chromogenic 3,1-benzoxazines

Filed: February 14th, 1989 [Granted]

Assignee: Bayer Aktiengesellschaft

Patent Number: 4904637

... CHROMOGENIC 3,1-BENZOXAZINES [75] Inventor: Horst Berneth, Leverkusen, Fed. Rep. of Germany [73] Assignee: Bayer Aktiengesellschaft, Leverkusen, Fed.

Thermostable (1,3-1,4)-.beta.-glucanase

Filed: August 10th, 1993 [Granted]

Assignee: Carlsberg A S Akademie der Wissenchaften der DDR

Patent Number: 5470725

28, 1995 [54] THERMOSTABLE (1,3-1,4)-P-GLUCANASE [75] Inventors: Rainer Borriss, Berlin; Jiirgen Hofemeister, Gatersleben, both of Germany; Karl K. Thomsen, ...

3-1 Mode capacitive membrane ultrasound transducer

Filed: September 26th, 2005 [Pending]

Patent Application Number: 11236700

29, 2007 (54) 3-1 MODE CAPACITIVE MEMBRANE ULTRASOUND TRANSDUCER (75) Inventors: Nelson H. Oliver, Sunnyvale, CA (US); Sean T. Hansen, Palo Alto, ...

3-(1,2,5,6-tetrahydropyridyl)-pyrrolopyridines

Filed: September 20th, 1991 [Granted]

Assignee: Pfizer Inc

Patent Number: 5169947

United States Patent [19] Macor US005 169947 A [ii] Patent Number: [45] Date of Patent: 5169947 * Dec. 8, 1992 [54] 3-(l,2,5,6-TETRAHYDROPYRIDYL)-PYR- ...

4H-3,1-benzoxazin-4-one derivative

Filed: November 27th, 1991 [Granted]

Assignee: Japan Tobacco Inc

Patent Number: 5204462

United States Patent m Kobayashi et al. US005204462A [ii] Patent Number: [45] Date of Patent: 5204462 Apr. 20, 1993 [54] 4H-3,l-BENZOXAZIN-4-ONE DERIVATIVE ...